Question 1

All of the following are symptoms usually present in someone with sinusitis,EXCEPT:

Accepted Answer

A)  cough.
B)  fatigue.
C)  stuffy nose.
D)  headache.E) All of the above
F) A) and C)

Question 2

Chemical messengers released by immune system cells that help amplify and coordinate the immune response are

Accepted Answer

A)  cytokines.
B)  antibodies.
C)  antigens.
D)  histamines.E) All of the above
F) B) and C)

Question 3

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) A) and C)

Question 4

All bacteria are harmful to the body.

Accepted Answer

A) True 
 B)False

Question 5

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 an unrelated pathogen into the body to stimulate antigen production.
D)  introduction of helper T cells into the body.E) A) and D)
F) B) and D)

Question 6

An example of an infection that was spread widely via air travel by infected people is

Accepted Answer

A)  hantavirus.
B)  new variant Creutzfeldt-Jakob disease.
C)  malaria.
D)  severe acute respiratory syndrome (SARS) .E) A) and B)
F) A) and C)

Question 7

Stress may decrease T cell and antibody levels.

Accepted Answer

A) True 
 B)False

Question 8

The antibody most involved in triggering an allergic reaction is

Accepted Answer

A)  immunoglobulin E
B)  gamma globulin.
C)  a mast cell.
D)  histamine.E) All of the above
F) A) and D)

Question 9

Examples of autoimmune disease include

Accepted Answer

A)  systemic lupus erythematosus and rheumatoid arthritis.
B)  rheumatoid arthritis and HIV.
C)  cancer and systemic lupus erythematosus.
D)  allergies and HIV.E) B) and D)
F) B) and C)

Question 10

Prions cause which of the following diseases?

Accepted Answer

A)  rabies
B)  Creutzfeldt-Jakob disease
C)  syphilis
D)  toxic shock syndromeE) B) and D)
F) C) and D)

Question 11

Which one of the following is NOT a vector of disease?

Accepted Answer

A)  contaminated soil
B)  rats
C)  ticks
D)  mosquitoesE) A) and B)
F) C) and D)

Question 12

Which of the following is considered a pathogen?

Accepted Answer

A)  prions
B)  bacteria
C)  protozoa
D)  all of the aboveE) B) and C)
F) A) and D)

Question 13

Illnesses caused by viruses are the most common forms of contagious disease.

Accepted Answer

A) True 
 B)False

Question 14

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) All of the above
F) C) and D)

Question 15

Define allergy,and briefly explain how an allergic response occurs.List at least three common allergens and two strategies for dealing with allergies.

Accepted Answer

The answer of Define allergy,and briefly explain how an allergic...

Question 16

Lymphocytes generated during an initial infection that circulate in the body for years and quickly destroy the specific antigens if they ever appear again are called ____________ cells.

Accepted Answer

A)  killer T
B)  helper T
C)  suppressor T
D)  memory TE) A) and B)
F) B) and C)

Question 17

Prions are similar in makeup to spirochetes.

Accepted Answer

A) True 
 B)False

Question 18

Macrophages

Accepted Answer

A)  act as scavengers.
B)  trigger the immune response.
C)  counteract swollen lymph nodes.
D)  are suppressor cells.E) None of the above
F) A) and B)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Define pathogen and trace the chain of infection through its various steps.Give at least three strategies for breaking the chain of infection.

Accepted Answer

A pathogen is a microorganism, such as a...

Exam 9: Immunity and Infection

Prions cause which of the following diseases?

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Chemical messengers released by immune system cells that help amplify and coordinate the immune response are

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Which of the following is considered a pathogen?

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Which one of the following is NOT a vector of disease?

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Define pathogen and trace the chain of infection through its various steps.Give at least three strategies for breaking the chain of infection.

Correct AnswerAnswered by ExamLex AIA pathogen is a microorganism, such as a...View AnswerShow Answer

The antibody most involved in triggering an allergic reaction is

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A fungus that causes vaginitis and thrush is

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

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Examples of autoimmune disease include

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All of the following are symptoms usually present in someone with sinusitis,EXCEPT:

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

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Stress may decrease T cell and antibody levels.

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Immunization is based on the

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Macrophages

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An example of an infection that was spread widely via air travel by infected people is

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Prions are similar in makeup to spirochetes.

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All bacteria are harmful to the body.

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Define allergy,and briefly explain how an allergic response occurs.List at least three common allergens and two strategies for dealing with allergies.

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Lymphocytes generated during an initial infection that circulate in the body for years and quickly destroy the specific antigens if they ever appear again are called ____________ cells.

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Illnesses caused by viruses are the most common forms of contagious disease.

Correct AnswerverifiedShow Answer

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A pathogen is a microorganism, such as a...
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