Question 1

Rocky Mountain spotted fever and typhus are caused by the rickettsias bacterium.

Accepted Answer

A) True 
 B)False

Question 2

Protozoa are associated with all of the following illnesses EXCEPT

Accepted Answer

A)  giardiasis.
B)  amoebic dysentery.
C)  histoplasmosis.
D)  malaria.E) None of the above
F) C) and D) C

Question 3

Immunization is based on the

Accepted Answer

A)  body's ability to remember an encounter with a specific antigen.
B)  body's ability to tell a harmful pathogen from a harmless one.
C)  introduction of a pathogen into the body to stimulate antigens.
D)  introduction of helper T cells into the body.E) All of the above
F) A) and D)

Question 4

The use of over-the-counter antihistamines is a form of immunotherapy.

Accepted Answer

A) True 
 B)False

Question 5

Varicella-zoster virus causes infectious mononucleosis.

Accepted Answer

A) True 
 B)False

Question 6

Most ulcers are caused by

Accepted Answer

A)  tick-borne rickettsias.
B)  Helicobacter pylori infection.
C)  overconsumption of spicy food.
D)  high levels of stress.E) A) and D)
F) A) and C)

Question 7

Define "vaccine," and describe how immunization can help prevent infection.List at least three immunizations available in the United States.

Accepted Answer

The answer of Define "vaccine," and describe how immunization can...

Question 8

Tears,saliva,and vaginal secretions are rich in ______ and other proteins that break down and destroy many microorganisms.

Accepted Answer

A)  histamines
B)  enzymes
C)  macrophages
D)  lymphocytesE) A) and D)
F) B) and D) B

Question 9

People who fail to finish a prescription of antibiotics contribute to the development of antibiotic-resistant strains of bacteria.

Accepted Answer

A) True 
 B)False

Question 10

Antibodies are produced by macrophages.

Accepted Answer

A) True 
 B)False

Question 11

West Nile virus and hantavirus infections primarily involve transmission by vectors rather than person-to-person spread.

Accepted Answer

A) True 
 B)False

Question 12

The largest organisms that can enter the body to cause infection are

Accepted Answer

A)  bacteriA.
B)  parasitic worms.
C)  viruses.
D)  protozoa.E) All of the above
F) B) and C)

Question 13

Streptococcus and staphylococcus are examples of

Accepted Answer

A)  fungi.
B)  bacteria.
C)  viruses.
D)  parasites.E) All of the above
F) A) and D)

Question 14

White blood cells that directly destroy virus-infected and cancerous cells are ______ cells.

Accepted Answer

A)  helper T
B)  suppressor T
C)  natural killer
D)  dendriticE) All of the above
F) B) and C)

Question 15

A vaccine is available to prevent infection by

Accepted Answer

A)  influenzA.
B)  rhinovirus.
C)  Epstein-Barr.
D)  hepatitis C.E) All of the above
F) A) and B) A

Question 16

One of the best ways to break the chain of infection is to

Accepted Answer

A)  wash your hands frequently.
B)  avoid disinfectant agents when cleaning your house.
C)  get boosters for immunizations 6 months early.
D)  drink only fluoridated water.E) A) and B)
F) A) and C)

Question 17

Rabies is most often transmitted by

Accepted Answer

A)  animal bites.
B)  contaminated food.
C)  blood transfusions.
D)  hepatitis infection.E) None of the above
F) B) and C)

Question 18

The most effective way of preventing the flu in the winter is by protecting your body from cold temperatures.

Accepted Answer

A) True 
 B)False

Question 19

Yellowing of the skin and whites of the eyes associated with hepatitis is called

Accepted Answer

A)  hemorrhage.
B)  toxic shock.
C)  jaundice.
D)  impetigo.E) A) and B)
F) All of the above

Question 20

A vaccine is available for a common cause of pneumonia.

Accepted Answer

A) True 
 B)False

Exam 17: Immunity and Infection

Rocky Mountain spotted fever and typhus are caused by the rickettsias bacterium.

Correct AnswerverifiedShow Answer

Protozoa are associated with all of the following illnesses EXCEPT

Correct AnswerverifiedC

Immunization is based on the

Correct AnswerverifiedShow Answer

The use of over-the-counter antihistamines is a form of immunotherapy.

Correct AnswerverifiedShow Answer

Varicella-zoster virus causes infectious mononucleosis.

Correct AnswerverifiedShow Answer

Most ulcers are caused by

Correct AnswerverifiedShow Answer

Define "vaccine," and describe how immunization can help prevent infection.List at least three immunizations available in the United States.

Correct AnswerverifiedShow Answer

Tears,saliva,and vaginal secretions are rich in ______ and other proteins that break down and destroy many microorganisms.

Correct AnswerverifiedB

People who fail to finish a prescription of antibiotics contribute to the development of antibiotic-resistant strains of bacteria.

Correct AnswerverifiedShow Answer

Antibodies are produced by macrophages.

Correct AnswerverifiedShow Answer

West Nile virus and hantavirus infections primarily involve transmission by vectors rather than person-to-person spread.

Correct AnswerverifiedShow Answer

The largest organisms that can enter the body to cause infection are

Correct AnswerverifiedShow Answer

Streptococcus and staphylococcus are examples of

Correct AnswerverifiedShow Answer

White blood cells that directly destroy virus-infected and cancerous cells are ______ cells.

Correct AnswerverifiedShow Answer

A vaccine is available to prevent infection by

Correct AnswerverifiedA

One of the best ways to break the chain of infection is to

Correct AnswerverifiedShow Answer

Rabies is most often transmitted by

Correct AnswerverifiedShow Answer

The most effective way of preventing the flu in the winter is by protecting your body from cold temperatures.

Correct AnswerverifiedShow Answer

Yellowing of the skin and whites of the eyes associated with hepatitis is called

Correct AnswerverifiedShow Answer

A vaccine is available for a common cause of pneumonia.

Correct AnswerverifiedShow Answer

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C

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B

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A

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