Nutrition – Chapter 10 Quiz

Which of the following body systems is not strengthened by aerobic exercise?
a) cardiovascular
b) endocrine
c) respiratory
d) cardiovascular and respiratory

b) endocrine

Weight lifting stresses the muscles, causing them to adapt by increasing in size and strength. This process is called
a) atrophy
b) hypertrophy
c) megalomania
d) tonia

b) hypertrophy

__________ are activities that specifically increase muscle strength, endurance, and size
a) yoga and pilates
b) weight lifting and shoveling snow
c) swimming and rowing
d) jogging and walking

b) weight lifting and shoveling snow

Which of the following is a result of regular exercise?
a) increased risk for developing type 2 diabetes
b) reduced blood pressure
c) reduced bone density
d) reduced HDL cholesterol

b) reduced blood pressure

Aerobic exercise is considered to be at an intensity of __________% of maximum heart rate.
a) 10-30%
b) 40-70%
c) 60-85%
d) 90-100%

c) 60-85%

The amount of ATP produced by anaerobic versus aerobic metabolism depends on the:
a) amount of glycogen that is stored in the body
b) availability of oxygen
c) availability of amino acids
d) pH of the food

b) availability of oxygen

The predominate fuel used by muscle during a 10k race is
a) carbohydrate
b) creatine phosphate
c) fat
d) protein

a) carbohydrate

When an athlete "hits the wall", which fuel has been depleted?
a) creatine phosphate
b) fat
c) glycogen
d) protein

c) glycogen

Aerobic training __________ the size and __________ the number of mitochondria in cells.
a) decreases, decreases
b) decreases, increases
c) increases, decreases
d) increases, increases

d) increases, increases

Which of the following statements regarding ergogenic aids is FALSE?
a) caffeine enhances the release of fatty acids
b) the research supporting the use of MCT is limited
c) carnitine supplements increase endurance
d) all of these statements are false

c) carnitine supplements increase endurance

The best post-exercise foods for marathon runners contain
a) carbohydrates only
b) protein only
c) carbohydrates and fat
d) carbohydrate and protein

d) carbohydrate and protein

Which of the following statements regarding carbohydrate loading is FALSE?
a) to carbohydrate load, one should consume 10-12 grams of carbohydrate/kg of body weight per day
b) carbohydrate loading is most appropriate as part of a training plan
c) carbohydrate loading is more appropriate for those competing in short-duration events
d) trained athletes who follow a carbohydrate-loading plan can double their muscle glycogen content

c) carbohydrate loading is more appropriate for those competing in short-duration events

Adam has been push mowing his yard on a very hot and humid day for almost 90 minutes now. He is feeling faint and disoriented and is sweating profusely. When he checked his pulse, he noticed that it was weak but rapid. Based on this scenario, Adam is most likely experiencing which of the following?
a) heat cramps
b) heat exhaustion
c) heat stroke
d) sports anemia

b) heat exhaustion

Hyponatremia is a concern marathon runners which can be caused by
a) drinking too much water during a marathon
b) drinking too much fruit juice during a marathon
c) eating too much carbohydrates prior to a marathon
d) eating too much fat following a marathon

a) drinking too much water during a marathon

Which of the following is NOT a characteristic of the female athlete triad?
a) amenorrhea
b) disordered eating
c) improved bone density
d) low percentage of body fat

c) improved bone density

True/False: Aerobic metabolism can use glucose and fat, but not protein, to generate energy.

False

True/False: Fitness is a set of attributes related to the ability to perform routine physical activities without undue fatigue.

True

True/False: Cardiorespiratory endurance is enhanced by regular aerobic exercise.

True

True/False: Flexibility determines your range of motion.

True

True/False: The majority of creatine phosphate is found in the liver.

False

True/False: The physiological changes that occur from aerobic training increases cellular ability to burn fatty acids for fuel.

True

True/False: To burn the most body fat possible during an exercise session, one should work in the "fat-burning zone"

False

True/False: As the amount of glucose is limited, anaerobic metabolism cannot continue indefinitely.

True

True/False: Strength training increases the use of protein for energy.

False

True/False: Physical performance is improved by consuming a very low fat diet (less than 10% of calories) for endurance athletes.

False

True/False: Muscles enlarge in response to exercise stress, not to extra dietary amino acids.

True

True/False: Use of anabolic steroids during adolescence can slow bone growth.

True

True/False: Water is the best fluid choice for Cyndie during exercise because she typically rides her bicycle for 75 minutes during an exercise session.

False

True/False: Athletes who restrict their intake in order to maintain a low body weight may be at risk for micronutrient deficiencies.

True