Question 1

White blood cells are produced in the

Accepted Answer

A)  brain. 
B)  bone marrow. 
C)  gastrointestinal tract. 
D)  heart. 
A)  brain. 
B)  bone marrow. 
C)  gastrointestinal tract. 
D)  heart.

Question 2

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)  cell-mediated immune response. 
C)  cell-dependent immune response. 
D)  amplification of defenses. 
A)  recognition of the invading pathogen. 
B)  cell-mediated immune response. 
C)  cell-dependent immune response. 
D)  amplification of defenses.

Question 3

Briefly describe the immune response to a pathogen. What are the major phases of the immune response, and how does the immune system prepare for future invasions by the same pathogen?

Accepted Answer

The immune response to a pathogen involv

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Meningitis is infection of the

Accepted Answer

A)  lining of the gastrointestinal tract. 
B)  membrane covering the brain and spinal cord. 
C)  bone marrow and lymphatic tissue. 
D)  alveoli in the lungs. 
A)  lining of the gastrointestinal tract. 
B)  membrane covering the brain and spinal cord. 
C)  bone marrow and lymphatic tissue. 
D)  alveoli in the lungs.

Question 6

A vaccine is available to prevent infection by

Accepted Answer

A)  influenza virus. 
B)  hepatitis C virus. 
C)  Epstein-Barr virus. 
D)  rhinovirus. 
A)  influenza virus. 
B)  hepatitis C virus. 
C)  Epstein-Barr virus. 
D)  rhinovirus.

Question 7

Cell-mediated immune response

Accepted Answer

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

Question 8

The herpes virus associated with infectious mononucleosis is

Accepted Answer

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

Question 9

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)  slowdown. 
B)  amplification of defenses. 
C)  recognition of the invading pathogen. 
D)  attack. 
A)  slowdown. 
B)  amplification of defenses. 
C)  recognition of the invading pathogen. 
D)  attack.

Question 10

Obstacles to microorganisms entering the body include

Accepted Answer

A)  enzymes. 
B)  water. 
C)  cilia. 
D)  antibodies. 
A)  enzymes. 
B)  water. 
C)  cilia. 
D)  antibodies.

Question 11

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)  mycobacterium 
B)  streptococcus 
C)  staphylococcus 
D)  Escherichia coli 
A)  mycobacterium 
B)  streptococcus 
C)  staphylococcus 
D)  Escherichia coli

Question 12

Stress may decrease T cell and antibody levels.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

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

Question 14

Hepatitis C is usually transmitted by which of the following means?

Accepted Answer

A)  direct contact with blood 
B)  indirectly through contact with an inanimate object 
C)  contaminated food 
D)  sexually 
A)  direct contact with blood 
B)  indirectly through contact with an inanimate object 
C)  contaminated food 
D)  sexually

Question 15

Which of the following is NOT considered a common allergen?

Accepted Answer

A)  molds 
B)  pollen 
C)  viruses 
D)  insect stings 
A)  molds 
B)  pollen 
C)  viruses 
D)  insect stings

Question 16

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

Accepted Answer

A)  raccoons. 
B)  bats. 
C)  unvaccinated domestic pets. 
D)  foxes. 
A)  raccoons. 
B)  bats. 
C)  unvaccinated domestic pets. 
D)  foxes.

Question 17

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)  immunoglobulin. 
B)  antibody. 
C)  vaccine. 
D)  gamma globulin. 
A)  immunoglobulin. 
B)  antibody. 
C)  vaccine. 
D)  gamma globulin.

Question 18

An infectious agent that consists only of protein is a

Accepted Answer

A)  bacterium. 
B)  virus. 
C)  prion. 
D)  protozoan. 
A)  bacterium. 
B)  virus. 
C)  prion. 
D)  protozoan.

Question 19

Colds are almost always transmitted by

Accepted Answer

A)  hand-to-hand contact. 
B)  sharing food or drink. 
C)  coughing. 
D)  airborne respiratory droplets. 
A)  hand-to-hand contact. 
B)  sharing food or drink. 
C)  coughing. 
D)  airborne respiratory droplets.

Question 20

Which of the following infections is transmitted by a mosquito bite?

Accepted Answer

A)  hantavirus 
B)  new variant Creutzfeldt-Jakob disease 
C)  West Nile virus 
D)  E. Coli O157:H7 
A)  hantavirus 
B)  new variant Creutzfeldt-Jakob disease 
C)  West Nile virus 
D)  E. Coli O157:H7

Exam 9: Immunity and Infection

White blood cells are produced in the

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

Briefly describe the immune response to a pathogen. What are the major phases of the immune response, and how does the immune system prepare for future invasions by the same pathogen?

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

Meningitis is infection of the

A vaccine is available to prevent infection by

Cell-mediated immune response

The herpes virus associated with infectious mononucleosis is

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

Obstacles to microorganisms entering the body include

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?

Stress may decrease T cell and antibody levels.

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

Hepatitis C is usually transmitted by which of the following means?

Which of the following is NOT considered a common allergen?

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

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

An infectious agent that consists only of protein is a

Colds are almost always transmitted by

Which of the following infections is transmitted by a mosquito bite?

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