Question 1

Approximately how many people die worldwide each year of vaccine-preventable diseases?

Accepted Answer

A)  1.1 million
B)  1.6 million
C)  2.1 million
D)  2.6 millionE) B) and D)
F) A) and B)

Question 2

Cell-mediated immune response

Accepted Answer

A)  is a function of killer T cells.
B)  is a function of B cells.
C)  stimulates the production of antibodies.
D)  uses antibodies to recruit macrophages to help clean up.E) A) and B)
F) A) and C)

Question 3

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

Accepted Answer

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

Question 4

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 5

Vaccines confer _______________ immunity.

Accepted Answer

A)  active
B)  passive
C)  innate
D)  naturalE) A) and B)
F) C) and D)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Which of the following statements is TRUE regarding the common cold?

Accepted Answer

A)  It may be caused by any or more than 200 different viruses.
B)  It may be caused by exposure to cold weather.
C)  Most colds occur during the fall and winter months.
D)  It may be caused by any or more than 200 different viruses,and most colds occur during the fall and winter months.E) B) and D)
F) All of the above

Question 8

During the incubation period for an infectious disease,you do not have any symptoms of illness and are not contagious.

Accepted Answer

A) True 
 B)False

Question 9

An infection that travels throughout the body is called

Accepted Answer

A)  transmitted.
B)  lymphatic.
C)  localized.
D)  systemic.E) B) and C)
F) A) and D)

Question 10

A common bacterium found on the skin in healthy people,but capable of causing infection if it enters the body,is

Accepted Answer

A)  streptococcus.
B)  staphylococcus.
C)  mycoplasma.
D)  spirochete.E) B) and D)
F) All of the above

Question 11

Approximately how many hospitalizations result from influenza each year in Canada?

Accepted Answer

A)  5000
B)  10000
C)  15000
D)  20000E) A) and D)
F) None of the above

Question 12

The phase of the immune response in which suppressor T cells halt the immune response and restore the body's natural balance is called

Accepted Answer

A)  recognition of the invading pathogen.
B)  amplification of defenses.
C)  attack.
D)  slowdown.E) None of the above
F) A) and B)

Question 13

Pathogens can enter the body through penetration of skin,by inhalation,or by ingestion.

Accepted Answer

A) True 
 B)False

Question 14

Rocky Mountain spotted fever and typhus are caused by rickettsias.

Accepted Answer

A) True 
 B)False

Question 15

Generally,antibiotics are useful against

Accepted Answer

A)  influenzA.
B)  colds.
C)  bacteria.
D)  viruses.E) None of the above
F) A) and B)

Question 16

Viral meningitis is more dangerous than bacterial meningitis.

Accepted Answer

A) True 
 B)False

Question 17

During this type of immune system response,the body's defense system literally eats invading pathogens.

Accepted Answer

A)  acquired immunity
B)  imagined immunity
C)  natural immunity
D)  adaptive immunityE) A) and B)
F) B) and C)

Question 18

Obstacles to microorganisms entering the body include

Accepted Answer

A)  enzymes.
B)  cilia.
C)  antibodies.
D)  all of the above choices.E) A) and D)
F) None of the above

Question 19

Viral diseases are the most common form of _______________ disease.

Accepted Answer

A)  spontaneous
B)  contagious
C)  chronic
D)  recurrentE) A) and C)
F) None of the above

Question 20

Andrew is most likely suffering from

Accepted Answer

A)  Rocky Mountain spotted fever.
B)  Lyme disease.
C)  West Nile virus infection.
D)  hantavirus pulmonary syndrome (HPS) .E) A) and C)
F) A) and B)

Exam 9: Immunity and Infection

During the incubation period for an infectious disease,you do not have any symptoms of illness and are not contagious.

Correct AnswerverifiedShow Answer

Andrew is most likely suffering from

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During this type of immune system response,the body's defense system literally eats invading pathogens.

Correct AnswerverifiedShow Answer

A common bacterium found on the skin in healthy people,but capable of causing infection if it enters the body,is

Correct AnswerverifiedShow Answer

Viral diseases are the most common form of _______________ disease.

Correct AnswerverifiedShow Answer

Viral meningitis is more dangerous than bacterial meningitis.

Correct AnswerverifiedShow Answer

The phase of the immune response in which suppressor T cells halt the immune response and restore the body's natural balance is called

Correct AnswerverifiedShow Answer

Cell-mediated immune response

Correct AnswerverifiedShow Answer

Approximately how many hospitalizations result from influenza each year in Canada?

Correct AnswerverifiedShow Answer

Obstacles to microorganisms entering the body include

Correct AnswerverifiedShow Answer

Generally,antibiotics are useful against

Correct AnswerverifiedShow Answer

Approximately how many people die worldwide each year of vaccine-preventable diseases?

Correct AnswerverifiedShow Answer

Vaccines confer _______________ immunity.

Correct AnswerverifiedShow Answer

An infection that travels throughout the body is called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Rocky Mountain spotted fever and typhus are caused by rickettsias.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Pathogens can enter the body through penetration of skin,by inhalation,or by ingestion.

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE regarding the common cold?

Correct AnswerverifiedShow Answer

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