Question 1

Which of the following statements is TRUE regarding antibody-mediated immune response?

Accepted Answer

A)  Antibodies work against infected body cells.
B)  It is carried out by T cells.
C)  Antibodies produce killer T cells.
D)  Antibodies work against bacteria and viruses outside of body cells.E) A) and D)
F) B) and D)

Question 2

MRSA is resistant to which of the following?

Accepted Answer

A)  penicillin
B)  oxacillin
C)  amoxicillin
D)  all of the aboveE) A) and B)
F) C) and D)

Question 3

Scarlet fever is characterized by all of the following,EXCEPT:

Accepted Answer

A)  impetigo.
B)  superficial skin infection.
C)  sore throat
D)  light red tongueE) B) and C)
F) None of the above

Question 4

Warts on the hands are caused by infection with a type of

Accepted Answer

A)  virus.
B)  bacterium.
C)  prion.
D)  fungus.E) None of the above
F) B) and C)

Question 5

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 6

African sleeping sickness is a protozoan infection caused by:

Accepted Answer

A)  trichomoniasis.
B)  trypanosomiasis.
C)  amoebic dysentery.
D)  guinea worms.E) All of the above
F) A) and B)

Question 7

Lyme disease can cause all of the following,EXCEPT

Accepted Answer

A)  fetal damage.
B)  arthritis.
C)  ulcers.
D)  impaired motor coordination.E) None of the above
F) All of the above

Question 8

Approximately what percentage of people with hepatitis C in Canada do now know they have it?

Accepted Answer

A)  10 percent
B)  20 percent
C)  35 percent
D)  50 percentE) B) and C)
F) All of the above

Question 9

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

Accepted Answer

A)  bacteriA.
B)  parasitic worms.
C)  viruses.
D)  protozoa.E) B) and C)
F) A) and B)

Question 10

Lymph nodes

Accepted Answer

A)  produce enzymes in the lymph.
B)  are where macrophages congregate and filter pathogens from the lymph.
C)  produce antibodies and antigens.
D)  are part of the respiratory system.E) None of the above
F) B) and D)

Question 11

Multiple sclerosis is an example of an autoimmune disease.

Accepted Answer

A) True 
 B)False

Question 12

If an individual has active organisms replicating in his or her body,he or she may be contagious before experiencing any symptoms.

Accepted Answer

A) True 
 B)False

Question 13

An organism that causes disease is a(n)

Accepted Answer

A)  antigen.
B)  toxin.
C)  pathogen.
D)  antibody.E) All of the above
F) B) and C)

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Which of the following are primary players in the body's immune response?

Accepted Answer

A)  T cells
B)  B cells
C)  memory T and B cells
D)  all of the aboveE) None of the above
F) C) and D)

Question 16

Live,attenuated vaccines are used to vaccinate against influenza.

Accepted Answer

A) True 
 B)False

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) C) and D)

Question 18

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

Accepted Answer

A)  wash your hands frequently.
B)  use disinfectant agents when cleaning your house.
C)  get boosters for immunizations 6 months early.
D)  drink water only if it is fluoridateD.E) C) and D)
F) None of the above

Question 19

Which of the following is considered a portal of entry for a pathogen?

Accepted Answer

A)  through the skin or by direct contact
B)  inhaled through the mouth or nose
C)  ingestion through contaminated food or water
D)  all of the aboveE) None of the above
F) A) and C)

Question 20

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

Accepted Answer

A)  herpes
B)  poliomyelitis
C)  hepatitis
D)  influenzaE) B) and C)
F) A) and B)

Exam 9: Immunity and Infection

Scarlet fever is characterized by all of the following,EXCEPT:

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If an individual has active organisms replicating in his or her body,he or she may be contagious before experiencing any symptoms.

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MRSA is resistant to which of the following?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Live,attenuated vaccines are used to vaccinate against influenza.

Correct AnswerverifiedShow Answer

Influenza is highly contagious and spread via

Correct AnswerverifiedShow Answer

Warts on the hands are caused by infection with a type of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is considered a portal of entry for a pathogen?

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Lyme disease can cause all of the following,EXCEPT

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Which of the following statements is TRUE regarding antibody-mediated immune response?

Correct AnswerverifiedShow Answer

African sleeping sickness is a protozoan infection caused by:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Multiple sclerosis is an example of an autoimmune disease.

Correct AnswerverifiedShow Answer

Approximately what percentage of people with hepatitis C in Canada do now know they have it?

Correct AnswerverifiedShow Answer

Lymph nodes

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Which of the following are primary players in the body's immune response?

Correct AnswerverifiedShow Answer

An organism that causes disease is a(n)

Correct AnswerverifiedShow Answer

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

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