Microbiology

Your page rank:

Total word count: 831
Pages: 3

Calculate the Price

- -
275 words
Looking for Expert Opinion?
Let us have a look at your work and suggest how to improve it!
Get a Consultant

Which of the following leukocyte functions do macrophages carry out?

phagocytosis of pathogens and debris

Which of the following are phagocytic cells found in the epidermis ?

Dendritic cells

Response to specific pathogens that can improve with subsequent exposure is

3rd line of defense

Which of the following cells increase in number during a helminth infection?

eosinophils

Which of the following areas of the body have mucous membranes?

mouth, nasal cavity and urinary system

Protection from infection known as species resistance is a result of

Both the absence of necessary receptors and lack of suitable environment in the body.

Which of the following statements regarding the surface of skin is FALSE?

has goblet cells

Which of the following contributes to protecting the eyes from microbial invasion?

Tears contain lysozyme and salt and mechanically flush particles from the eyes

Which of the following is the best definition of "microbial antagonism"

The presence of normal microbiota that protect the body by competing with pathogens in the variety of ways to prevent pathogens from invading the body

Which of the following statements about eosinophil’s is TRUE?

They attach to the surface of parasitic helminthes and produce toxins that kill the parasite

Muscus and sweat contain _____ which damage and kill bacteria

Antimicrobial peptides

The complement cascade and its by-products contribute to

Both triggering inflammation and attracting phagocytes to sites of infection

Which of the following statements concerning the alternative complement system is TRUE?

Its activation is independent of antibodies

Which of the following cells can use nonphagocytic means to kill bacteria?

Eosinophils and neutrophils

Which cell becomes a macrophage when leaving the bloodstream?

monocyte

Which of the following characteristics is shared by the skin and mucous membranes?

They are both constantly shedding and replacing cells

The _____ play a role in preventing neoplastic cells from progressing to cancer

natural killer cells

First line of defense may be described as

Intact skin, mucous membranes, sebum, tears and so forth

antigens are

Specific molecules, or parts of molecules, that the body recognizes as foreign

Which of the following is an exogenous antigen?

a bacterium outside the body

The white blood cells primarily responsible for adaptive immunity are

B&T lymphocytes

The antibody immune response is attributed to the action of

B lymphocytes

Which of the following statements regarding antibody function is FALSE?

the can kill bacteria

the most prevalent type of antibody in the blood is

IgM

Which of the following statements about T lymphocytes is FALSE?

T lymphocytes produce antibody molecules

Clonal deletion of developing T lymphocytes takes place in which location in the body?

thymus

What types of antigens are bound to Class I MHC proteins?

endogenous antigens

Class II MHC are found on

professional antigen presenting cells

Which of the following statements concerning plasma cells is TRUE?

they can produce large quantities of antibodies on a daily basis

Enhanced immune response to subsequent exposures to an antigen to which the body has already been exposed are known as ___ response

memory

What type of immunity is produced by the body when a person contracts a disease?

naturally acquired active immunity

What is the dendritic cell phagocytizes a microbe and processes it?

Display of microbial epitope- MHCII complexes on the cell surface

Vaccination triggers an immune response which produces ___ immunity

artificial active

Over 90% of Staphylococcus aureus isolates are penicillin- resistant why?

They produce beta lactamase

A woman comes to the emergency department with fever and vomiting. She soon develops a red rash all over her body, and her blood pressure begins to drop. What is one possible diagnosis?

Toxic Shock Syndrome

Streptococci are frequently classified by

Lancefield antigen designations

Bacteria collected from a severely inflamed wound sent to the lab for analysis. The result comes back as follows: Gram-positive cocci irregular clusters, kinase and coagulase positive, and able to grow in the presence of most antibiotics except vancomycin. The bacteria wound are most likely

MSRA

Which of the following diseases are considered an autoimmune disease triggered by a bacterial infection?

Glomerulonephritis cause by group A streptococci

Untreated streptocoocal pharyngitis may progress to

scarlet fever

During a stay in the hospital, an accident victim develops symptoms of bacteremia. A blood sample shows the presence of gram-positive cocci in pairs. Lab tests determine that the bacteria are nonhemolytic and bile sale tolerant. The bacteremia is likely due to

enterococcus

Which of the following statements about bacillus anthracis is false?

it is primarily a disease in humans

Which of the following bacteria produce one of the most deadly bacterial toxins known?

Clostridium botulisum

Which of the following bacteria can cause life threatening pseudomembranous colitis?

clostridium difficile

Which of the following statements concerning tetanus is False?

Its only source is from deep puncture wounds from rusty nails

Listeria virulence is directly related to its ability to

Live within cells and thus avoid exposure to the immune system of its host

Enterococcus faecalis bacteria can be distingusiehd from gram positive coccie because enterococci

can grow in the presence of salts

Share This
Flashcard

More flashcards like this

NCLEX 10000 Integumentary Disorders

When assessing a client with partial-thickness burns over 60% of the body, which finding should the nurse report immediately? a) ...

Read more

NCLEX 300-NEURO

A client with amyotrophic lateral sclerosis (ALS) tells the nurse, "Sometimes I feel so frustrated. I can’t do anything without ...

Read more

NASM Flashcards

Which of the following is the process of getting oxygen from the environment to the tissues of the body? Diffusion ...

Read more

Unfinished tasks keep piling up?

Let us complete them for you. Quickly and professionally.

Check Price

Successful message
sending