Question 1

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 coliE) All of the above
F) B) and C)

Question 2

Which of the following is NOT considered a common allergen?

Accepted Answer

A)   molds
B)   pollen
C)   viruses
D)   insect stingsE) A) and B)
F) A) and C)

Question 3

A vaccine is available to prevent infection by

Accepted Answer

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

Question 4

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.E) None of the above
F) C) and D)

Question 5

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.E) All of the above
F) None of the above

Question 6

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.E) A) and B)
F) A) and C)

Question 7

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.E) B) and D)
F) A) and D)

Question 8

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)   sexuallyE) C) and D)
F) A) and B)

Question 9

Colds are almost always transmitted by

Accepted Answer

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

Question 10

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.E) B) and D)
F) A) and C)

Question 11

An infectious agent that consists only of protein is a

Accepted Answer

A)   bacterium.
B)   virus.
C)   prion.
D)   protozoan.E) C) and D)
F) B) and D)

Question 12

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 13

Obstacles to microorganisms entering the body include

Accepted Answer

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

Question 14

White blood cells are produced in the

Accepted Answer

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

Question 15

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

Accepted Answer

A) True 
 B)False

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.E) A) and B)
F) None of the above

Question 17

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

Question 18

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.E) A) and D)
F) All of the above

Question 19

Stress may decrease T cell and antibody levels.

Accepted Answer

A) True 
 B)False

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:H7E) A) and B)
F) A) and C)

Exam 9: Immunity and Infection

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

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

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

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

Correct AnswerverifiedShow Answer

Obstacles to microorganisms entering the body include

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

White blood cells are produced in the

Correct AnswerverifiedShow Answer

An infectious agent that consists only of protein is a

Correct AnswerverifiedShow Answer

Cell-mediated immune response

Correct AnswerverifiedShow Answer

Stress may decrease T cell and antibody levels.

Correct AnswerverifiedShow Answer

Which of the following is NOT considered a common allergen?

Correct AnswerverifiedShow Answer

Colds are almost always transmitted by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A vaccine is available to prevent infection by

Correct AnswerverifiedShow Answer

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?

Correct AnswerAnswered by ExamLex AIThe immune response to a pathogen involv...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

The herpes virus associated with infectious mononucleosis is

Correct AnswerverifiedShow Answer

Meningitis is infection of the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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The immune response to a pathogen involv...
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