Question 1

African sleeping sickness is a protozoan infection caused by:

Accepted Answer

A)   trichomoniasis.
B)   trypanosomiasis.
C)   amoebic dysentery.
D)   guinea worms.E) None of the above
F) A) and B)

Question 2

Viral diseases are the most common form of _______________ disease.

Accepted Answer

A)   spontaneous
B)   contagious
C)   chronic
D)   recurrentE) C) and D)
F) B) and D) B

Question 3

In developing countries, more than 10% of children's deaths are caused by:

Accepted Answer

A)   malaria.
B)   dengue fever.
C)   polio.
D)   tetanus.E) A) and D)
F) A) and C)

Question 4

Microscopic, hair-like structures that sweep mucus and foreign substances out of the lungs are called

Accepted Answer

A)   cilia.
B)   phagocytic cells.
C)   macrophages.
D)   enzymes.E) B) and D)
F) All of the above

Question 5

The herpes virus associated with infectious mononucleosis is

Accepted Answer

A)   herpes simplex type I.
B)   herpes simplex type II.
C)   Epstein-Barr virus (EBV) .
D)   cytomegalovirus.E) B) and C)
F) C) and D)

Question 6

Macrophages

Accepted Answer

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

Question 7

Which of the following is NOT considered a pathogen?

Accepted Answer

A)   prions
B)   bacteria
C)   protozoa
D)   interferonE) B) and D)
F) B) and C) D

Question 8

Approximately how many cases of MRSA are reported in Canada annually?

Accepted Answer

A)   1000
B)   3000
C)   6000
D)   9000E) A) and D)
F) A) and C)

Question 9

A severe worldwide outbreak of a disease is called an epidemic.

Accepted Answer

A) True 
 B)False

Question 10

Substances that provoke allergies are known as

Accepted Answer

A)   parasites.
B)   antigens.
C)   bacteria.
D)   allergens.E) None of the above
F) B) and D)

Question 11

In the immune response, the phase in which killer T cells strike at foreign cells and at cells of the body that have been invaded and infected is called

Accepted Answer

A)   recognition of the invading pathogen.
B)   amplification of defenses.
C)   cell-mediated immune response.
D)   cell-dependent immune response.E) C) and D)
F) None of the above

Question 12

Vaccines confer _______________ immunity.

Accepted Answer

A)   active
B)   passive
C)   innate
D)   naturalE) All of the above
F) A) and B)

Question 13

Lyme disease is transmitted by a

Accepted Answer

A)   mosquito.
B)   deer tick.
C)   black widow spider.
D)   dog flea.E) A) and C)
F) All of the above

Question 14

Obstacles to microorganisms entering the body include

Accepted Answer

A)   enzymes.
B)   cilia.
C)   antibodies.
D)   water.E) All of the above
F) A) and D)

Question 15

Johnny has a red, sore throat with white patches on the tonsils, swollen lymph nodes, fever, and a headache. Which of the following bacteria caused Johnny's symptoms?

Accepted Answer

A)   staphylococcus
B)   streptococcus
C)   mycobacterium
D)   Escherichia coliE) None of the above
F) B) and D)

Question 16

Influenza virus infection usually causes all the following symptoms, EXCEPT

Accepted Answer

A)   fever.
B)   severe fatigue.
C)   muscle aches.
D)   gastrointestinal distress.E) A) and C)
F) A) and B)

Question 17

Toxic shock syndrome was first diagnosed in pregnant women.

Accepted Answer

A) True 
 B)False  False

Question 18

_____ percent of all malaria deaths occurred in the World Health Organization's Africa zone.

Accepted Answer

A)   22
B)   52
C)   72
D)   92E) None of the above
F) All of the above

Question 19

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) B) and D)
F) None of the above

Question 20

Autoimmune diseases occur when

Accepted Answer

A)   bacteria severely damage the immune system.
B)   cancer creates an imbalance in the immune system.
C)   the body erroneously recognizes its own cells as foreign.
D)   a virus such as HIV destroys the immune system.E) None of the above
F) A) and D)

Exam 9: Immunity and Infection

African sleeping sickness is a protozoan infection caused by:

Correct AnswerverifiedShow Answer

Viral diseases are the most common form of _______________ disease.

Correct AnswerverifiedB

In developing countries, more than 10% of children's deaths are caused by:

Correct AnswerverifiedShow Answer

Microscopic, hair-like structures that sweep mucus and foreign substances out of the lungs are called

Correct AnswerverifiedShow Answer

The herpes virus associated with infectious mononucleosis is

Correct AnswerverifiedShow Answer

Macrophages

Correct AnswerverifiedShow Answer

Which of the following is NOT considered a pathogen?

Correct AnswerverifiedD

Approximately how many cases of MRSA are reported in Canada annually?

Correct AnswerverifiedShow Answer

A severe worldwide outbreak of a disease is called an epidemic.

Correct AnswerverifiedShow Answer

Substances that provoke allergies are known as

Correct AnswerverifiedShow Answer

In the immune response, the phase in which killer T cells strike at foreign cells and at cells of the body that have been invaded and infected is called

Correct AnswerverifiedShow Answer

Vaccines confer _______________ immunity.

Correct AnswerverifiedShow Answer

Lyme disease is transmitted by a

Correct AnswerverifiedShow Answer

Obstacles to microorganisms entering the body include

Correct AnswerverifiedShow Answer

Johnny has a red, sore throat with white patches on the tonsils, swollen lymph nodes, fever, and a headache. Which of the following bacteria caused Johnny's symptoms?

Correct AnswerverifiedShow Answer

Influenza virus infection usually causes all the following symptoms, EXCEPT

Correct AnswerverifiedShow Answer

Toxic shock syndrome was first diagnosed in pregnant women.

Correct AnswerverifiedFalse

_____ percent of all malaria deaths occurred in the World Health Organization's Africa zone.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Autoimmune diseases occur when

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D

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False

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