If a diet does not provide adequate carbohydrate to meet immediate energy needs, the body compensates by altering its metabolism of other nutrients. Insufficient dietary carbohydrate can lead to elevated levels of ketone bodies. Ketone bodies are the byproducts of partial breakdown of: |
Fat |
Recommended Dietary Allowances differ for various stages of life and gender. While adult needs for most nutrients are generally greater than those of children, this is not the case for carbohydrate. Because their bodies are developing so quickly, children aged 1-3 have very high carbohydrate needs that equals the same number of grams of carbohydrate an adult should have each day. What is the RDA for carbohydrate for both children aged 1-3 and adults? |
130 grams |
Match the activity of dietary fiber that is related to its health benefit. |
1. Fiber increases satiety Helps promote weight loss correct 2. Fiber reduces cholesterol absorption and increases cholesterol excretion Reduces Cardiovascular disease risk correct 3. Soluble fiber slows down digestion and blood glucose spikes Improves diabetes management correct 4. Insoluble fiber increases stool bulk and increases regularity Promotes colon health correct |
Brandy’s seven-year-old daughter was recently diagnosed with attention deficit hyperactivity disorder (ADHD) and research indicates that Brandy should not feed her daughter any refined sugar products because sugar intake causes hyperactivity in children. |
False |
Contrary to popular belief, all of the alternative sweeteners approved for sale in the U.S. are safe for human consumption and have never been proven to be carcinogenic (cancer-causing) in humans. Of the following alternative sweeteners, which one is banned for sale in the U.S. because of controversial research that indicated the substance caused cancer in mice? |
Cyclamate |
Glucose, galactose, and fructose ________. |
are monosaccharides |
Another name for glucose is ________. |
dextrose |
Three important disaccharides are ________ |
maltose, sucrose, and lactose |
Which of the following is a noncarbohydrate component of dietary fibers? |
lignin |
The three elements in simple sugar are ________. |
carbon, hydrogen, and oxygen |
The enzyme sucrase breaks down sucrose into ________. |
glucose + fructose |
A sugar not commonly found free in nature that combines with glucose to form the disaccharide lactose is ________. |
galactose |
Humans can digest a carbohydrate if the glucose bond is ________. |
an alpha bond |
Sorbitol is ________. |
a sugar alcohol absorbed and metabolized more slowly than glucose and other sugars used in candies and gums All of these choices are correct |
The sugar alcohol commonly used to sweeten chewing gum and candy is ________. |
sorbitol |
The principal sugar found in milk is ________. |
lactose |
In the production of alcoholic beverages, maltose is formed from cereal grains because of the ________. |
germination of grains |
Once absorbed, the majority of glucose is transported to ________. |
the liver |
The principal function of dietary carbohydrate is to provide ________. |
energy |
If no glucose is available from dietary carbohydrate, glucose in the blood may be derived from ________. |
muscle glycogen and liver glycogen |
Dietary sugars and starches are called "protein sparing," which means ________. |
dietary protein can be used for protein synthesis and other vital processes, rather than being used as a source of energy |
The body is capable of making glucose from non-carbohydrate nutrients, such as protein, by a process referred to as ________. |
gluconeogenesis |
The human brain and other nerve tissues use mostly _________________ as fuel. |
glucose |
After digestion and absorption, dietary carbohydrates may be ________. |
used for energy converted to glycogen and stored in liver and muscle tissue synthesized into fat correct All of these choices are correct |
The energy value of dietary carbohydrates is _____ kcal per gram. |
4 |
Individuals with lactose maldigestion can usually tolerate small amounts of ________. |
yogurt nonfat milk cheddar cheese correct all of these are often tolerated in small amounts |
Primary lactose maldigestion results from ________. |
lactase insufficiency |
An example of an oligosaccharide is ________. |
raffinose |
Much of the galactose in our diet is found in ________ |
dairy products |
Ketosis may result from ________. |
starvation a diet of less than 50-100 grams of carbohydrate per day untreated diabetes mellitus correct All of these choices are correct |
Insulin is made in the ________. |
pancreas |
While _________ suppresses gluconeogenesis, ____________ increases glycogen breakdown. |
insulin; glucagon |
Normal blood glucose levels range between ________. |
70 and 100 mg/dL |
Low blood glucose is called ____________, whereas high blood glucose is called ____________. |
hypoglycemia; hyperglycemia |
Which combination of foods would be highest in complex carbohydrates? |
Spaghetti with marinara sauce, broccoli, dinner roll, milk |
Food processors and manufacturers use amylopectins to produce sauces and gravies for frozen foods because they ________. |
form a stable starch gel |
Raffinose and stachyose are indigestible oligosaccharides found in foods such as ________. |
beans and other legumes |
The storage form of carbohydrates in plants is ________. |
starch |
Amylose and amylopectin contain ___________ bonds, which are responsible for the digestibility of these starches. |
alpha |
The best type of fiber to eat for reducing constipation is _____ |
insoluble fiber |
Which of the following is classified as an insoluble fiber? |
cellulose |
Which of the following dietary fibers are classified as soluble fibers? |
Pectins and mucilages |
______ is defined as fiber that is added to foods and provides health benefits. |
Functional fiber |
When increasing fiber intake, always ________. |
increase fluids |
Pouches that form in the walls of the large intestine due to excessive exertion during defecation are called ________. |
diverticula |
During the inflammatory phase of diverticulitis, treatment includes antibiotics and a diet that is ________ |
low in fiber |
The AI for fiber for women is ________. |
25 g/day |
An increased fiber intake within recommended guidelines may ________. |
decrease risk of diabetes lower blood lipid levels decrease risk of certain cancers All of these choices are correct |
Which of the following combinations of foods would provide the most dietary fiber? |
Kidney bean salad, turkey sandwich on whole wheat bread, fresh apple, milk |
Of the total day’s energy intake, most dietary guidelines recommend that carbohydrates provide _____________ of energy. |
45-65% |
Why is excess sugar consumption discouraged? |
may cause dental caries. It may cause weight gain. It lacks dietary fiber. All of these choices are correct. |
According the Food and Nutrition Board of the Institute of Medicine, consumers should limit their intake of added sugars to ____________ percent of total energy. |
25 |
Consuming more than 60 grams of fiber per day poses some health risks, such as ________. |
decreased mineral absorption due to chemical binding by the fiber blockage of the intestinal tract decreased appetite in some individuals All of these choices are accurate |
A trade name for aspartame is ________. |
Equal |
A person diagnosed with phenylketonuria (PKU) should avoid products containing ________. |
aspartame |
All persons with diabetes ________. |
need to eat a diet that will control their blood sugar |
Which of the following is the best source of starch? |
whole-grain oats |
Which of the following is classified as a non-nutritive sweetener |
aspartame |
Which of the following population groups is at lowest risk of diabetes? |
college students |
Usual symptoms of diabetes mellitus include __ |
weight change excessive thirst and urination blurred vision All of these choices are correct |
Which condition is NOT usually associated with type 2 diabetes? |
Autoimmune destruction of beta cells of the pancreas |
The most common type of diabetes mellitus is ________. |
type 2 diabetes |
Which of the following foods has the highest glycemic index? |
baked potato |
Treatment for reactive hypoglycemia includes ________. |
eating regular meals and snacks of protein and complex carbohydrates and avoiding excess simple sugar |
The focus on low-glycemic load foods can aid in the control of diabetes. |
→ True |
Soluble dietary fibers have been shown to reduce serum cholesterol. |
→ True |
Diabetic exchanges and carbohydrate counting are effective ways for diabetics to monitor daily carbohydrate intake. |
→ True |
Persons with diabetes can never eat sugar. |
False |
The Adequate Intake for dietary fiber is set at 14g/1000kcal. |
True |
Individuals with lactose intolerance have difficulty digesting milk products because they lack the enzyme needed to break apart the alpha bond linkages. |
false |
High fiber diets can impair the absorption of trace minerals. |
true |
The glycemic index is a ratio of the blood glucose response of a given food compared with a standard. |
→ True |
Metabolic syndrome is characterized by insulin resistance, obesity, hypertension, and hyperlipidemia |
True |
The RDA for carbohydrate intake is 300 g/day. |
False |
Sucralose is a nutritive sweetener that is approximately the same sweetness as honey. |
FALSE |
The Atkin’s diet promotes a high-carbohydrate, low-fat diet pattern. |
FALSE |
Sucrose is made up of glucose + glucose. |
FALSE |
Raffinose and stachyose are examples of polysaccharides. |
FALSE |
Maintaining one’s ideal body weight is a good means of decreasing risk of type 2 diabetes. |
TRUE |
Scientists have shown that eating a high sugar diet causes diabetes. |
False |
Glycogen is made of glucose units linked by beta bonds. |
False |
Sorbitol, mannitol, and xylitol are nutritive sweeteners used in sugarless gum and candies. |
true |
An adequate carbohydrate intake is important in preventing ketosis and sparing protein from use as an energy source. |
true |
Indigestible carbohydrates play a role in promoting bowel health and preventing obesity. |
true |
Indigestible carbohydrates play a role in enhancing blood glucose control. |
true |
Saliva contains an enzyme called maltase that aids in the breakdown of maltose in the mouth. |
false |
Monosaccharides are absorbed by an active absorption process. |
TRUE |
Insoluble fiber is readily metabolized into acids and gases by bacteria in the large intestine. |
False |
Fructose is taken up by the absorptive cells of the small intestine via facilitated diffusion. |
true |
Match each type of carbohydrate with its description. |
… |
Regina is trying to cut back on her fat intake to help reduce total calorie intake and promote gradual weight loss. If she follows an 1,800-calorie meal plan and wants to achieve the Acceptable Macronutrient Distribution Range recommendation of total fat being between 20-35% of calories, how many grams of fat per day should she be eating? |
40-70 grams of fat per day |
Regina’s pregnant sister is interested in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), two essential fatty acids that can be made from alpha-linolenic (omega-3) acid. She has heard that EPA and DHA are important for cancer prevention, brain health, cardiovascular disease prevention, and immune function. Which food is the best source of EPA + DHA? |
Fatty fish |
Cardiologists and other healthcare professionals recommend that people who are at elevated risk for developing cardiovascular disease adopt an "anti-atherosclerotic" lifestyle to help prevent atherosclerosis. Which of the following is a component of an anti-atherosclerotic lifestyle? |
Smoking cessation Low saturated fat and trans fat diet Consumption of fruits and vegetables high in antioxidants correct All of these are components of an anti-atherosclerotic lifestyle. |
Regina’s dad and grandfather have both had heart attacks and she is concerned about her own heart health. In addition to increasing her fruit and vegetable intake, Regina is considering taking antioxidant supplements to help reduce cardiovascular disease risk. What does the American Heart Association recommend regarding the use of antioxidant supplements such as vitamin E to help reduce cardiovascular disease risk? |
People at elevated risk for cardiovascular disease should not take antioxidant supplements; vitamin E provides no overall benefit for major cardiovascular events. |
Lipids are a unique nutrient group, differing significantly from carbohydrates and proteins. Which of the following statements are true? Check all that apply: |
Lipids do not dissolve readily in water. correct Lipids are components of the plasma membrane that surround each human cell. |
Alpha-linolenic acid and linoleic acid are classified as _________ fatty acids. |
essential |
Which is correct regarding trans fatty acids? |
They raise LDL and lower HDL cholesterol |
Which of the following correctly characterizes lipids? |
They do not dissolve in water. |
The main difference between fats and oils is that fats are ________. |
solid at room temperature |
In what form is most body fat stored? |
triglycerides. |
The functions of fat include all of the following EXCEPT ________. |
build and repair tissue |
Some fat is necessary in our diets ________. |
to increase the palatability of foods as a carrier of fat-soluble vitamins to provide essential fatty acids All of these responses are correct |
All of the following are ways in which fatty acids can differ from one another EXCEPT ________. |
average number of calories per gram |
Phospholipids consist of ________. |
glycerol, two fatty acids, and phosphate |
Lipids with high saturated fatty acid content are ____________ at room temperature. |
solid |
Arachadonic acid is associated with ________. |
omega-6 fatty acid metabolism |
Which of the following lipids is a precursor for estrogen and bile? |
Cholesterol |
Recommendations suggest that we consume approximately 20% of our fat as monounsaturated fats. All of the following would be appropriate to use to achieve this goal EXCEPT ________. |
sunflower oil |
Lard, butter, and cream are rich sources of ________. |
saturated fatty acids |
The chief contributors of saturated fatty acids in the U.S. diet include ________. |
animal products |
Saturated fatty acids predominate in which of the following lipids? |
butter |
Which of the following groups of foods would contribute a substantial amount of monounsaturated fatty acids to the diet? |
olive oil, peanuts and almonds |
Monounsaturated fatty acids ________. |
are liquid at room temperature have one double bond in the fatty acid chain lower cholesterol All of these responses are correct |
Fats that are liquid at room temperature can be made more solid by the process of ________. |
hydrogenation |
Which of the following fats and oils provides the most polyunsaturated fatty acids? |
soybean oil |
Which essential fatty acid is responsible for lowering the risk of coronary heart disease? |
alpha-linolenic |
Lecithin is classified as a ________. |
phospholipid |
Ergosterol is a type of sterol found in ___ |
plants |
Cholesterol is ________. |
not essential in the diet; the human body can synthesize it not found in foods of plant origin an important part of human cell membranes and is necessary to make some hormones All of these choices are correct |
Mike has been told to reduce his fat intake to less than 30% of his total calories. It has been recommended to him that he consume an average of 2000 calories per day. How many grams of fat should he consume per day? |
67 grams |
The 2010 Dietary Guidelines for Americans recommend that total fat intake should not exceed __________ of total calories and saturated fat intake be limited to _______ of total calories. |
35%; 10% |
In the Mediterranean Diet, the majority of fat in the diet is supplied by ________. |
olive oil and olives |
According to guidelines from the American Heart Association for the general population, saturated fats ________. |
should constitute no more than 7% of total energy in the diet |
Individuals with bleeding disorders taking anticoagulants or scheduling surgery should be cautious about which supplement? |
correct Omega 3 fatty acids |
All the following are good sources of omega 3 fatty acids EXCEPT ________. |
correct avocados |
Most experts agree that dietary cholesterol intake should be limited to _______mg per day. |
300 |
Fat digestion begins in the ________. |
mouth |
Lingual lipase breaks down ________. |
triglycerides |
Which lipoprotein is responsible for transporting cholesterol from the liver to tissues? |
low density lipoprotein (LDL) |
A fatty acid with 10 carbons will be absorbed via the ________. |
the portal system |
High levels of ______ in the blood are associated with lower risk of cardiovascular disease. |
correct HDL |
Lipoproteins are important for ________. |
transport of fats in the blood and lymphatic system |
Which of the following lipoproteins contains the highest proportion of protein? |
HDL |
Low-density lipoproteins (LDL) are the principal transport vehicle for _______ in the blood. |
cholesterol |
LDL clearance in the plasma is mediated via the ______ receptor. |
B-100 |
Oxidized LDL in the blood is picked up by ________. |
scavenger pathway |
Lipoprotein lipase functions to ________. |
break down triglycerides from lipoproteins for transfer into cells |
Why are nuts a heart healthy food? |
They are rich in antioxidants. Most nuts are good sources of monounsaturated fatty acids. They contain no cholesterol. All of these choices are correct. |
The ____ pathway for LDL uptake is a means by which LDL contributes to plaque formation in blood vessels. |
scavenger |
High-density lipoproteins function in lipid transport by ________. |
picking up cholesterol from dying cells and other sources for delivery to other lipoproteins and the liver for disposal |
Immediately after a meal, newly digested and absorbed dietary fats appear in the lymph, and then the blood, as a part of which of the following? |
chylomicrons |
Which apolipoprotein is responsible for activating lipoprotein lipase? |
Apo C-II |
Excessive intakes of saturated fatty acids tend to ________. |
increase cholesterol deposited in arteries |
Excessive amounts of omega-3 fatty acids can ________. |
impair the immune system cause excessive bleeding cause hemorrhagic stroke All of these choices are correct |
Blockage of a major artery is caused by a blood clot. These clots may form when ________. |
cholesterol plaques build up in artery walls |
Which of the following is considered a desirable blood level for total cholesterol? |
correct 200 mg/dl or less |
Which of the following blood levels of LDL cholesterol would increase risk for cardiovascular disease? |
over 160 mg/dl |
Which of the following is a risk factor for heart disease? |
Total blood cholesterol level greater than 200 mg/dl |
All of the following are uncontrollable risk factors for heart disease EXCEPT ________. |
hypertension |
A stroke ________. |
blocks blood flow in the brain |
A diet designed to reduce elevated serum LDL cholesterol levels ________. |
is low in saturated fats is reduced in dietary cholesterol provides adequate amounts of soluble fiber All of these choices are correct |
Trans fatty acids are now considered more atherogenic than saturated fatty acids because they ________ |
elevate LDL levels, while decreasing HDL |
Margarine is usually made by a process called ________, in which hydrogen atoms are added to double covalent bonds in the polyunsaturated fatty acids found in vegetable oils. |
hydrogenation |
Since monounsaturated fats are healthier consuming them in excessive amounts is always considered good. |
false |
All fat-free foods are healthy for you. |
false |
The decrease in HDL due to the decrease of estrogen in postmenopausal women plays a part in the increased risk of heart disease that occurs in older women. |
true |
High blood levels of HDL are protective against heart disease. |
true |
Americans eat more omega-3 fatty acids than omega-6 fatty acids. |
false |
Trans fatty acids raise HDL and lower LDL. |
false |
Plants contain cholesterol. |
false |
Dietary cholesterol should not exceed 300 milligrams per day. |
true |
Lecithin and bile are examples of emulsifiers. |
true |
Lipids with high polyunsaturatd fatty acid content are ____________ at room temperature. |
liquid |
Eicosapentaenoic acid (EPA) is associated with |
omega-3 fatty acid metabolism. |
Eicosanoids are |
substances that produce diverse hormone-like effects on the body. |
substances that produce diverse hormone-like effects on the body. |
butter |
Tomas is a 24-year-old male trying to calculate his protein needs. The Food and Nutrition Board recommends that 10-35% of calories come from protein. If Tomas follows a 2,300-calorie diet, how many grams of protein per day should he be consuming? |
correct 58-201 grams of protein per day |
All of the following statements about the role of protein in the body are correct EXCEPT: |
correct Protein is the only macronutrient that is not energy yielding. |
Tomas is studying his family’s genealogy for an anthropology class. He interviews an uncle about the family’s health history and learns that a number of family members have sickle cell anemia. It is safe to assume that: |
Tomas’ family members with sickle cell anemia have a defect in the structure of the protein chains of hemoglobin. |
Tomas is babysitting his neighbor’s seven-month-old child who has just begun to eat solid foods. He knows that the protein in certain types of foods is particularly allergenic and should not be introduced early into a child’s diet. Which food is the safest option for Tomas to offer the baby if he wants to minimize any potential problems with food allergies? |
Iron-fortified cereal made with rice and water |
A child living in a developing country with high rates of malnutrition is at risk for developing protein-calorie malnutrition. If this child consumes insufficient dietary protein, what is the physiological consequence? |
Insufficient dietary protein intake inhibits the body’s ability to make immune antibodies, some hormones, and enzymes. |
A person who consumes inadequate dietary protein may be expected to experience: |
Decreased immune function Fluid imbalance Loss of lean body mass correct All of these are potential consequences of inadequate dietary protein intake. |
Tomas has taken up bodybuilding and is starting to become more interested in a diet to improve athletic performance. He read an article in a bodybuilding magazine that said he should dramatically increase his dietary protein intake. What happens to excessive dietary protein intake? |
With excessive protein intake, amino acids may be used to meet energy needs or converted to and stored as fat. |
If Tomas is a healthy 24-year-old male who weighs 166 pounds, how many grams of protein per day should he have to promote protein equilibrium? (One kilogram = 2.2 pounds.) |
60 grams of protein per day |
A vegetarian diet differs from a traditional animal-based diet in that a vegetarian diet is: |
higher in dietary fiber than a traditional animal-based diet is. |
The amino acid profile of a protein in a food helps determine whether that food is a complete or incomplete protein. Which of the following contains incomplete protein? |
A handful of peanuts |
The process that allows interconversion of non-essential amino acids is called: |
transamination |
When two or more plant proteins are combined to compensate for deficiencies in essential amino acid content in each protein, the proteins involved are called: |
complementary proteins |
Select from the following list the different methods of measuring protein quality in food. |
Biological value Protein efficiency ratio |
The basic building blocks of protein are ________. |
amino acids |
The presence of ___________ chemically distinguishes protein from carbohydrate and fat. |
nitrogen |
Dietary proteins supply ______ kcal per gram. |
t 4 |
Which bodily function is not associated with protein? |
sparing glucose for energy use. |
Over time, if protein intake does not meet the body’s protein needs for building and repair of tissues, ________ |
skeletal muscle, heart muscle, and the liver decrease in size excessive body fluid begins to accumulate in the extracellular spaces the immune system fails to function properly All of these choices are accurate |
Which of the following foods provides all of the essential amino acids? |
milk |
The side chain, or R portion, of an amino acid ________. |
determines the name of the amino acid |
Which of the following amino acids is classified as a "conditionally essential" amino acid? |
tyrosine |
Foods containing all essential amino acids in the proportion needed by the body are designated as ________. |
complete foods |
Good sources of high-quality (complete) protein include all of the following except _______ |
whole wheat |
When over 10 amino acids are chemically linked by peptide bonds, the resulting product is known as ________. |
a polypeptide |
Cooking an egg destroys its physiological property by ________. |
denaturation |
When 2 or more plant proteins are combined to compensate for deficiencies in essential amino acid content in each protein, the proteins are called ________. |
complementary proteins |
DNA-coded instructions for protein synthesis consist of a sequence of ___ nucleotides per unit. |
3 |
The nucleotide units that represent a specific amino acid in protein synthesis are called ________. |
codons |
The genetic disorder sickle-cell anemia produces a profound change in ___________ structure. |
hemoglobin |
The sequential order of the amino acids in the polypeptide chain is called the ________. |
primary structure |
Worldwide, approximately _______ of protein comes from animal sources. |
35% |
Protein quality is determined by all of the following EXCEPT ________. |
the food’s cost |
Which of the following conditions would result in negative nitrogen balance? |
kwashiorkor |
Nitrogen makes up approximately _____ of the weight of an amino acid. |
16% |
The RDA for protein for most healthy adults is ______ |
correct 0.8 g/kg of body weight |
When food proteins reach the stomach, HCl ________ the protein. |
denatures |
Which of the following enzymes aids in digesting polypeptides into shorter peptides and amino acids? |
trypsin |
The functions of protein include ________. |
providing structural support to body cells producing antibodies to fight infection contributing to acid-base balance All of these are functions of protein |
Edema in the lower extremities may appear when there is a severe lack of dietary protein because ________. |
blood protein levels drop and fluid shifts into interstitial spaces |
Amino acids are required for the synthesis of ________. |
enzymes neurotransmitters some hormones All of the choices are accurate |
A diet that is deficient in carbohydrate will ultimately force the liver and, to a lesser extent, the kidneys to ________. |
produce glucose from amino acids |
Proteins help regulate blood pH by ________. |
accepting and releasing hydrogen ions |
_______ are compounds that help to maintain acid-base balance within a narrow range. |
Buffers |
The proteins that inactivate foreign bacteria and viruses to help prevent infections are called ________. |
antibodies |
The lack of an immune response to foreign compounds entering the body is called ________. |
anergy |
A high-quality protein used as a standard for measuring the quality of other proteins is ________. |
egg white |
The biological value of a food protein is a measure of ________. |
how closely it meets amino acid needs |
A growing child who is consuming adequate protein but only 50% of his or her energy needs, will likely be in ________. |
negative nitrogen balance |
What would be the recommended amount of protein for a 121-pound female? |
44 g/day |
Judy’s dietary intake provides 90 grams of protein. Her total energy intake is 2000 kcal. Approximately what percentage of her energy comes from protein? |
correct 18% |
Most Americans consume ________ dietary protein compared to the RDA. |
correct excessive amounts of |
To meet basic protein needs, an athlete needs to ________. |
consume a variety of foods to meet energy needs |
A high-protein diet is discouraged for patients with ________. |
kidney disease |
A vegan diet may be low in ________. |
vitamin B-12 iron calcium All of these choices are correct |
When plant proteins are compared to animal proteins, they ________. |
are usually deficient in one or more essential amino acids |
The recommended amount of protein as a percentage of total energy intake is ________. |
10% to 35% |
The major symptoms of kwashiorkor in children are ________. |
edema and growth failure |
Kwashiorkor ________. |
is a disease of severely deficient protein intake |
Protein-energy malnutrition is also known as _______ |
marasmus |
Signs of protein deficiency may include ________. |
edema mild to moderate weight loss poor resistance to infection All of these choices are accurate |
After major surgery, hospital patients may be at risk of PEM due to ________. |
poor prior health low dietary intakes increased needs for recovery All of these choices are correct |
An example of two incomplete protein foods eaten together to produce a complete protein meal are ________. |
correct red beans and rice |
A vegan will eat ________. |
only foods from plant sources |
A process involved in the synthesis of nonessential amino acids is called ________. |
transamination |
Which of the following is not a means of determining the protein quality of a food? |
complementary score |
Marasmus is characterized by ________. |
extreme weight loss and fat loss |
An antibody is ________. |
a substance that inactivates foreign proteins in the body |
Anergy is ________. |
the lack of an immune response to foreign substances entering the body |
Excess protein intake can result in ________. |
loss of calcium |
The body needs 18 different amino acids to function properly. |
false |
The 9 amino acids that the body cannot make are known as nonessential amino acids |
false |
An individual with the genetic disease PKU has a limited ability to metabolize the essential amino acid phenylalanine. |
True |
Nonessential amino acids can be synthesized through a process called transamination. |
… |
Each strand of DNA is composed of the nucleotides adenine, guanine, cytosine, and thymine. |
true |
Vegans need to plan their diets carefully to include adequate complementary proteins that provide the needed essential amino acids. |
… |
Individuals who are attempting to build up their muscles need 3 times as much protein as those who are not building muscles. |
False |
Legumes are an excellent source of vegetable protein. |
… |
The Protein Digestibility Corrected Amino Acid Score (PCDAAS) is the score derived by multiplying a food’s chemical score by its digestibility. |
… |
For the average North American, protein needs can be easily met through our typical diets without the need for supplementation. |
… |
During times of recovery from illness or injury, protein needs may range from 0.8 to 2.0 g/kg body weight. |
… |
Proteins in cow’s milk and egg white should not be given to infants prior to 12 months of age as they may predispose the infant to allergies. |
… |
High-protein diets are often associated with increased intake of saturated fat and cholesterol in the diet. |
… |
Marasmus in infants commonly occurs in poverty-stricken countries. |
… |
An excess intake of protein, especially from protein supplements, can increase the risk of amino acid toxicity. |
… |
Peanuts, cow’s milk, and shellfish are among foods considered to be highly allergenic. |
… |
Once a food allergy has developed, it persists throughout life. |
… |
Vegetarian diets are often low in dietary fiber. correct False |
… |
Lacto-ovo-vegetarians exclude meat, poultry, fish, and eggs from their diet. |
false |
Protein digestion begins in the stomach, where proteins are broken down into shorter polypeptide chains of amino acids. |
… |
Protein intakes above 35% of energy intake are associated with dehydration, amino acid imbalance, and increased risk of certain cancers. |
… |
Vegetarian diets are most often low in calcium, vitamin D, vitamin B-12, iron, and zinc. |
… |
Most animal proteins have a high biological value as their tissue amino acid composition is similar to that of human tissues. |
… |
Proteins comprise about 17% of body weight. |
… |
Regina knows that moderate alcohol consumption can be cardio-protective, meaning that it somewhat reduces cardiovascular disease risk. Moderate alcohol consumption translates to one drink per day for women and two drinks per day for men. Match the type of alcohol with its serving size that constitutes one drink: |
Beer: 12 oz is one serving correct Wine: 5 oz is one serving correct Liquor: 1.5 oz is one serving correct |
Alcohol is removed from the liver at a rate of ________ g of alcohol per hour or ________ standard-size drink. |
5-7, half of a |
Alcohol abuse can lead directly to all of the following, EXCEPT |
correct lung cancer. |
Which of the following statements about the metabolizing of alcohol is TRUE? |
Alcohol that is not immediately metabolized circulates throughout the body. |
Death can result from alcohol intoxication beginning at a blood alcohol content level of about _________. |
correct 0.30 |
A 150-pound lean person will have a lower blood alcohol content (BAC) than a 150-pound fat person who drinks the same amount of alcohol. |
true |
Alcoholics Anonymous® (AA),a 12-step program, was developed in 1987 to treat alcoholism. The highly successful program was originally developed as a democratic sponsored program to help economically distressed communities. There are specific rules, regulations, and dues required to participate in the program unless an individual is court ordered to attend the program. |
false |
To celebrate her recent weight loss, Lisa’s friends decide to take her out for a healthy dinner. Lisa doesn’t drink alcohol because she knows the empty calories will contribute to weight gain. One girlfriend at the dinner has four margaritas and an extra shot of tequila before the food arrives. Is this friend’s behavior considered binge drinking? |
correct Yes, because consuming four drinks or more for women is considered binge drinking, and she had 5. |
How many calories does alcohol provide? |
7 kcal/g |
An alcoholic beverage with 15 g alcohol provides ______ kcal from alcohol. |
105 |
The highest concentration of ethanol is found in ________. |
distilled spirits |
The alcohol content of an 80-proof tequila is ________. |
40% |
Wine generally contains ________ alcohol. |
5 – 14% |
The process of fermentation involves all of the following EXCEPT ________. |
bacteria |
A standard drink is defined as ________. |
correct 5 oz wine |
A standard drink contains _____ grams of alcohol. |
15 |
Alcohol is absorbed in the small intestine by __ |
simple diffusion |
Alcohol absorption occurs in the ________. |
stomach and small intestine |
The ADH pathway of alcohol metabolism converts ethanol into ________. |
acetyl-CoA |
The main organ responsible for ethanol metabolism is the ________. |
liver |
When consumed in low to moderate amounts, alcohol is primarily metabolized by the ________________ pathway. |
alcohol dehydrogenase |
When the MEOS pathway is induced, alcohol tolerance _______ because the rate of alcohol metabolism __________. |
increases; increases |
The symptoms of acetaldehyde buildup during alcohol metabolism include ________. |
flushing rapid heartbeat hyperventilation All of these symptoms can occur |
Women absorb 30-35% more ethanol directly from the stomach than men because women ________. |
have lower amounts of alcohol dehydrogenase in the cells lining the stomach |
A typical rate of alcohol metabolism for a social drinker is ________. |
… |
Binge drinking for a male is defined as having _______ or more drinks on a single occasion. |
5 |
A blood alcohol level of _____ is defined as legal intoxication in the U.S. and Canada. |
0.08 |
What percent of North Americans consume alcohol? |
62% |
Binge drinking on college campuses is associated with _______ |
academic problems auto accidents sexual abuse All of these responses are correct |
The population group with the highest rate of alcohol consumption is ________. |
correct college students |
Moderate drinking is most accurately defined as ________. |
up to 1 drink per day for women and 2 drinks per day for men |
Benefits of moderate alcohol consumption include lower rates of ________. |
cardiovascular disease |
Detrimental effects of excessive alcohol consumption include higher rates of ________ |
high blood pressure and stroke cancers of the mouth and throat liver disease and liver failure All of these responses are correct |
An early sign of alcohol-induced liver damage is ________. |
steatosis |
Liver cirrhosis is characterized by _ |
decreased synthesis of proteins made in the liver abnormal retention of fluid in the abdomen poor nutritional status All of these answers are correct |
Alcoholism is associated with all of the following EXCEPT ________. |
type I diabete |
Wernicke-Korsakoff Syndrome is the _______ deficiency disease that results from severe alcohol abuse. |
correct thiamin |
Alcoholics often have trouble with night blindness. This results from ________. |
impaired absorption and transport of vitamin A |
The recommendation for alcohol consumption during pregnancy is ________. |
no alcohol at all |
The problems of alcohol abuse and alcohol dependency ________. |
affect nearly 1 in 3 Americans over a lifetime |
Which of the following is not a common nutritional concern in alcoholics? |
correct vitamin A toxicity |
Medications used to treat alcohol dependence act on ________. |
correct both the brain to reduce alcohol cravings and the liver to block complete metabolism of alcohol |
The risk of developing a problem with alcohol is higher in those _____ |
with a biological parent with alcohol problems |
When the rate of alcohol consumption exceeds the liver’s metabolic capacity, blood alcohol levels increase and symptoms of intoxication develop. |
… |
Guidelines for safe drinking recommend that women should have no more than 2-3 drinks per day. |
false |
Alcohol requires no digestion. |
… |
Excess consumption of some alcoholic beverages can lead to deficiencies of iron and zinc. |
… |
Moderate alcohol intake has been associated with increased HDL cholesterol levels. |
… |
Excessive alcohol intake can lead to deficiencies of niacin, thiamin, vitamin B-6, vitamin B-12, and folate. |
… |
Compared with men, women produce more alcohol dehydrogenase enzyme in the stomach. correct False |
… |
Compared to men, women absorb approximately 30-35% more unaltered alcohol from the stomach into the bloodstream. |
… |
Extremely high blood alcohol levels can lead to respiratory failure. |
… |
Signs of alcohol poisoning include hypoglycemia and severe dehydration. |
… |
Binge drinking is associated with vandalism and suicide. |
… |
An 80-proof vodka or gin is 80% alcohol. correct False |
… |
Because alcohol cannot be stored in the body, it has priority in metabolism over other energy sources. |
… |
The small intestine is the primary site for alcohol metabolism. correct False |
… |
Moderate alcohol consumption is most accurately defined as no more than 7 or 14 drinks per week for women and men, respectively. → False |
… |
The euphoria that arises from alcohol use is likely due to the release of serotonin in the brain which is thought to cause characteristics high associated with alcohol use |
… |
Antabuse causes physical reaction to alcohol such as vomiting |
… |
chapter 4-8 test review
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