Question 1

Ebola hemorrhagic fever can spread widely because it has a long asymptomatic period following the initial infection.

Accepted Answer

A) True 
 B)False

Question 2

All the following are considered portals of entry for a pathogen, EXCEPT

Accepted Answer

A)   ingestion through uncontaminated food or water
B)   inhaled through the mouth or nose
C)   ingestion through contaminated food or water
D)   through the skin or by direct contactE) All of the above
F) A) and B)

Question 3

How many people die from influenza each year in Canada?

Accepted Answer

A)   1,500
B)   3,500
C)   4,500
D)   8,500E) B) and C)
F) A) and D)

Question 4

Killer T cells can destroy cancer cells.

Accepted Answer

A) True 
 B)False

Question 5

Tuberculosis is a chronic bacterial infection that usually affects the brain.

Accepted Answer

A) True 
 B)False

Question 6

Molds, mushrooms, and yeasts belong to which classification?

Accepted Answer

A)   protozoa
B)   spirochete
C)   fungi
D)   prionsE) All of the above
F) C) and D)

Question 7

A preparation of killed or weakened pathogens injected or taken orally to stimulate the body to produce antibodies is called a(n)

Accepted Answer

A)   gamma globulin.
B)   vaccine.
C)   antibody.
D)   immunoglobulin.E) A) and C)
F) A) and D)

Question 8

Tears, saliva, and vaginal secretions are rich in ________ and _________ that break down and destroy many microorganisms.

Accepted Answer

A)   histamines; antigens
B)   antibodies; enzymes
C)   macrophages; killer T-cells
D)   lymphocytes; neutrophilsE) A) and B)
F) A) and C)

Question 9

Most rabies-related deaths in Canada are traced to bites or scratches from

Accepted Answer

A)   bats.
B)   unvaccinated domestic pets.
C)   raccoons.
D)   foxes.E) C) and D)
F) None of the above

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

Neutrophils, macrophages, dendritic cells, and natural killer cells are part of the ________ response to invading pathogens

Accepted Answer

A)   natural
B)   acquired
C)   adaptive
D)   cell-mediatedE) A) and B)
F) A) and C)

Question 12

The substance that increases the inflammatory response and the secretion of mucus following exposure to an allergen is

Accepted Answer

A)   immunoglobulin E
B)   histamine.
C)   interferon.
D)   memory T cells.E) None of the above
F) B) and C)

Question 13

All the following are examples of analgesics, EXCEPT:

Accepted Answer

A)   Tylenol
B)   Advil
C)   Aspirin
D)   BenadrylE) B) and C)
F) A) and D)

Question 14

Which virus can cause irreversible paralysis and death in some infected individuals?

Accepted Answer

A)   herpes
B)   poliomyelitis
C)   hepatitis
D)   influenzaE) B) and D)
F) All of the above

Question 15

How many children under age 5 acquire vaccine-preventable diseases annually worldwide?

Accepted Answer

A)   8,800
B)   88,000
C)   888,000
D)   88,000,000E) A) and B)
F) B) and C)

Question 16

A fungus that causes vaginitis and thrush is

Accepted Answer

A)   Histoplasma capsulatum.
B)   Candida albicans.
C)   Coccidioides immitis.
D)   dermatophyte fungus.E) A) and B)
F) B) and C)

Question 17

Influenza is highly contagious and spread via

Accepted Answer

A)   coughing.
B)   respiratory droplets.
C)   ingesting food that has been infected.
D)   hand-to-hand contact.E) None of the above
F) A) and D)

Question 18

Prions are similar in makeup to spirochetes.

Accepted Answer

A) True 
 B)False

Question 19

To avoid encountering the organism that caused this illness, Andrew should have

Accepted Answer

A)   camped only in the spring.
B)   boiled his water before drinking.
C)   worn clothing that covered exposed skin.
D)   avoided contact with fleas found on mice.E) A) and B)
F) B) and D)

Question 20

Key components of a typical asthma attack include all the following, EXCEPT

Accepted Answer

A)   secretion of extra mucus.
B)   inflammation of the airways.
C)   spasm in the muscles surrounding the airways.
D)   anaphylaxis.E) B) and D)
F) None of the above

Exam 9: Immunity and Infection

All the following are examples of analgesics, EXCEPT:

Correct AnswerverifiedShow Answer

Which virus can cause irreversible paralysis and death in some infected individuals?

Correct AnswerverifiedShow Answer

To avoid encountering the organism that caused this illness, Andrew should have

Correct AnswerverifiedShow Answer

Tuberculosis is a chronic bacterial infection that usually affects the brain.

Correct AnswerverifiedShow Answer

All the following are considered portals of entry for a pathogen, EXCEPT

Correct AnswerverifiedShow Answer

Molds, mushrooms, and yeasts belong to which classification?

Correct AnswerverifiedShow Answer

Killer T cells can destroy cancer cells.

Correct AnswerverifiedShow Answer

How many children under age 5 acquire vaccine-preventable diseases annually worldwide?

Correct AnswerverifiedShow Answer

Neutrophils, macrophages, dendritic cells, and natural killer cells are part of the ________ response to invading pathogens

Correct AnswerverifiedShow Answer

Influenza is highly contagious and spread via

Correct AnswerverifiedShow Answer

Most rabies-related deaths in Canada are traced to bites or scratches from

Correct AnswerverifiedShow Answer

The substance that increases the inflammatory response and the secretion of mucus following exposure to an allergen is

Correct AnswerverifiedShow Answer

How many people die from influenza each year in Canada?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A fungus that causes vaginitis and thrush is

Correct AnswerverifiedShow Answer

Prions are similar in makeup to spirochetes.

Correct AnswerverifiedShow Answer

Ebola hemorrhagic fever can spread widely because it has a long asymptomatic period following the initial infection.

Correct AnswerverifiedShow Answer

A preparation of killed or weakened pathogens injected or taken orally to stimulate the body to produce antibodies is called a(n)

Correct AnswerverifiedShow Answer

Key components of a typical asthma attack include all the following, EXCEPT

Correct AnswerverifiedShow Answer

Tears, saliva, and vaginal secretions are rich in ________ and _________ that break down and destroy many microorganisms.

Correct AnswerverifiedShow Answer

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

Correct Answer
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