Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The initial screening test for HIV antibodies is the

Accepted Answer

A)  ELISA test.
B)  CD4 lymphocyte count.
C)  Western blot.
D)  HIV-1 antigen test.E) None of the above
F) A) and D)

Question 3

The body's first line of defense against the invasion of organisms is

Accepted Answer

A)  the skin.
B)  cilia.
C)  white blood cells.
D)  fever.E) B) and C)
F) A) and D)

Question 4

When the body responds to a relatively harmless substance as if it were a dangerous pathogen and mounts an immune response,this response is called

Accepted Answer

A)  passive immunity.
B)  active immunity.
C)  pathogenesis.
D)  an allergic reaction.E) B) and D)
F) B) and C)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A)  E.coli O157:H7
B)  West Nile virus
C)  Creutzfeldt-Jakob disease
D)  hantavirusE) A) and B)
F) All of the above

Question 7

The presence of chlamydia can be detected with a routine Pap test.

Accepted Answer

A) True 
 B)False

Question 8

Human immunodeficiency virus (HIV)

Accepted Answer

A)  is a member of the herpes virus family.
B)  disables the immune function of CD4 T cells.
C)  attacks B cells.
D)  has been a source of human infection for more than 200 years.E) A) and C)
F) A) and D)

Question 9

The riskiest sexual activity for contracting HIV is

Accepted Answer

A)  receiving fellatio.
B)  being the receptive partner during unprotected vaginal intercourse.
C)  being the receptive partner during unprotected anal intercourse.
D)  receiving cunnilingus.E) A) and D)
F) B) and C)

Question 10

Condoms do not need to be worn during oral sex to protect against STIs.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

In the United States,the opportunistic infection most often seen in people with HIV infection is

Accepted Answer

A)  Kaposi's sarcomA.
B)  Pneumocystis pneumonia.
C)  tuberculosis.
D)  mycobacterium avium complex.E) A) and D)
F) B) and C)

Question 13

Which of the following drugs would be given to an infected person and his or her partner after chlamydia is diagnosed?

Accepted Answer

A)  antifungals
B)  antibiotics
C)  antivirals
D)  antihistaminesE) A) and D)
F) A) and C)

Question 14

The status of the immune system in someone with HIV infection can be monitored by checking

Accepted Answer

A)  total lymphocyte counts.
B)  antibody levels.
C)  therapeutic drug levels.
D)  CD4 T-cell counts.E) All of the above
F) A) and B)

Question 15

Lyme disease can cause all of the following EXCEPT

Accepted Answer

A)  a red rash.
B)  arthritis.
C)  ulcers.
D)  impaired coordination.E) All of the above
F) A) and B)

Question 16

White blood cells are produced in the

Accepted Answer

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

Question 17

Secondary syphilis is not contagious.

Accepted Answer

A) True 
 B)False

Question 18

Worldwide,the most common route of HIV infection is

Accepted Answer

A)  injecting drug use.
B)  men having sex with men.
C)  heterosexual contact.
D)  receipt of blood transfusions.E) B) and C)
F) A) and B)

Question 19

Vertical transmission of HIV refers to transmission from a mother to her child.

Accepted Answer

A) True 
 B)False

Question 20

Antibodies are produced by macrophages.

Accepted Answer

A) True 
 B)False

Exam 13: Immunity and Infection

Vertical transmission of HIV refers to transmission from a mother to her child.

Correct AnswerverifiedShow Answer

Lyme disease can cause all of the following EXCEPT

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White blood cells are produced in the

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The riskiest sexual activity for contracting HIV is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Antibodies are produced by macrophages.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The body's first line of defense against the invasion of organisms is

Correct AnswerverifiedShow Answer

Human immunodeficiency virus (HIV)

Correct AnswerverifiedShow Answer

When the body responds to a relatively harmless substance as if it were a dangerous pathogen and mounts an immune response,this response is called

Correct AnswerverifiedShow Answer

In the United States,the opportunistic infection most often seen in people with HIV infection is

Correct AnswerverifiedShow Answer

Condoms do not need to be worn during oral sex to protect against STIs.

Correct AnswerverifiedShow Answer

The initial screening test for HIV antibodies is the

Correct AnswerverifiedShow Answer

Secondary syphilis is not contagious.

Correct AnswerverifiedShow Answer

Worldwide,the most common route of HIV infection is

Correct AnswerverifiedShow Answer

The status of the immune system in someone with HIV infection can be monitored by checking

Correct AnswerverifiedShow Answer

Which of the following drugs would be given to an infected person and his or her partner after chlamydia is diagnosed?

Correct AnswerverifiedShow Answer

The presence of chlamydia can be detected with a routine Pap test.

Correct AnswerverifiedShow Answer

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