Question 1

SARS is thought to have arisen in China due to the consumption of civets.

Accepted Answer

A) True 
 B)False

Question 2

In the "kitchen-sink model" for CD4 T-cell loss, what does the sink's drain represent?

Accepted Answer

A)   the destruction of CD4 T cells by the virus
B)   the production of new CD4 T cells
C)   the amplification of the virus in the blood
D)   the destruction of the virus by the immune system
E)   the wide variety of possible opportunistic infectionsF) A) and D)
G) B) and D)

Question 3

Which of the following has/have developed antibiotic resistance?

Accepted Answer

A)   tuberculosis
B)   malaria
C)   gonorrhea
D)   enterococci
E)   All of these diseases and organisms have developed drug resistance.F) D) and E)
G) A) and B)

Question 4

Describe the structure of a typical virus.

Accepted Answer

A virus consists of two basic ...

Question 5

Which of the following is not a layer of the protein coat that surrounds the HIV genetic material?

Accepted Answer

A)   matrix
B)   capsid
C)   nucleocapsid
D)   protease
E)   gp120F) A) and E)
G) A) and D)

Question 6

Which of the following is not important for classifying HIV as a retrovirus?

Accepted Answer

A)   reverse transcriptase
B)   RNA genome
C)   an envelope obtained from the host
D)   the production of viral DNA
E)   integration into the host genomeF) B) and D)
G) All of the above

Question 7

List and explain the events that occur during the reproductive cycle of an HIV virus.

Accepted Answer

1. Attachment: HIV binds to receptors on...

Question 8

List and describe the opportunistic diseases that individuals in category C of AIDS usually die from.

Accepted Answer

1. Pneumocystis jiroveci pneumonia: a fu...

Question 9

Which category of disease classification is described as having more cases than expected in a given period of time?

Accepted Answer

A)   epidemic
B)   outbreak
C)   pandemic
D)   opportunistic infection
E)   none of theseF) A) and E)
G) C) and D)

Question 10

Which of the following is important for the attachment stage of the HIV life cycle?

Accepted Answer

A)   acquisition of an envelope from the host
B)   gp120 spike proteins
C)   cleavage of the proteins by protease
D)   integration of the viral DNA into the host genome
E)   uncoatingF) B) and C)
G) A) and C)

Question 11

An emerging disease is one that

Accepted Answer

A)   is newly recognized in the last two decades.
B)   has suddenly caused an epidemic.
C)   is now present on multiple continents.
D)   can infect both humans and animals.
E)   can be transmitted in multiple ways.F) B) and E)
G) A) and B)

Question 12

There is no point to taking antibiotics for a cold.

Accepted Answer

A) True 
 B)False

Question 13

Why is bird flu H5N1)  considered an emerging disease whereas HIV is not?

Accepted Answer

A)   Bird flu H5N1)  has only been recognized in the past 20 years.
B)   Bird flu H5N1)  is more deadly than HIV.
C)   Bird flu H5N1)  is bacterial whereas HIV is viral.
D)   Bird flu H5N1)  has infected more people than HIV.
E)   Bird flu H5N1)  has not infected as many people as HIV.F) All of the above
G) A) and E)

Question 14

Which of the following is an unwise use of antibiotics?

Accepted Answer

A)   discontinuing antibiotics when you feel better
B)   not taking antibiotics for a viral infection
C)   not saving unused antibiotics
D)   not skipping doses of antibiotics
E)   taking antibiotics only to treat the infection for which they were prescribedF) A) and C)
G) A) and D)

Question 15

There currently is no effective cure for AIDS.

Accepted Answer

A) True 
 B)False

Question 16

Of the following modes of HIV transmission, which is the least common mode and rare in many countries?

Accepted Answer

A)   transfusions of infected blood
B)   vaginal/rectal intercourse with an infected person
C)   needle sharing among IV drug users
D)   babies born to HIV-infected women
E)   oral-genital contact with an infected personF) B) and C)
G) A) and E)

Question 17

The drugs that treat malaria can be used prophylactically, or before infection.

Accepted Answer

A) True 
 B)False

Question 18

Describe the causative agents and transmission of tuberculosis.

Accepted Answer

Tuberculosis is caused by the bacterium ...

Question 19

Unlike AIDS, both tuberculosis and malaria can be cured.

Accepted Answer

A) True 
 B)False

Question 20

How long does treatment for TB take?

Accepted Answer

A)   one to two days
B)   one to two weeks
C)   one month
D)   two months
E)   six months or moreF) A) and B)
G) A) and C)

Exam 8: Biology of Infectious Diseases

Which of the following has/have developed antibiotic resistance?

Correct AnswerverifiedShow Answer

Unlike AIDS, both tuberculosis and malaria can be cured.

Correct AnswerverifiedShow Answer

How long does treatment for TB take?

Correct AnswerverifiedShow Answer

Describe the causative agents and transmission of tuberculosis.

Correct AnswerverifiedTuberculosis is caused by the bacterium ...View AnswerShow Answer

The drugs that treat malaria can be used prophylactically, or before infection.

Correct AnswerverifiedShow Answer

Which of the following is not a layer of the protein coat that surrounds the HIV genetic material?

Correct AnswerverifiedShow Answer

Which of the following is not important for classifying HIV as a retrovirus?

Correct AnswerverifiedShow Answer

List and describe the opportunistic diseases that individuals in category C of AIDS usually die from.

Correct Answerverified1. Pneumocystis jiroveci pneumonia: a fu...View AnswerShow Answer

An emerging disease is one that

Correct AnswerverifiedShow Answer

Which category of disease classification is described as having more cases than expected in a given period of time?

Correct AnswerverifiedShow Answer

Which of the following is an unwise use of antibiotics?

Correct AnswerverifiedShow Answer

There is no point to taking antibiotics for a cold.

Correct AnswerverifiedShow Answer

Of the following modes of HIV transmission, which is the least common mode and rare in many countries?

Correct AnswerverifiedShow Answer

List and explain the events that occur during the reproductive cycle of an HIV virus.

Correct Answerverified1. Attachment: HIV binds to receptors on...View AnswerShow Answer

Describe the structure of a typical virus.

Correct AnswerverifiedA virus consists of two basic ...View AnswerShow Answer

Which of the following is important for the attachment stage of the HIV life cycle?

Correct AnswerverifiedShow Answer

Why is bird flu H5N1) considered an emerging disease whereas HIV is not?

Correct AnswerverifiedShow Answer

SARS is thought to have arisen in China due to the consumption of civets.

Correct AnswerverifiedShow Answer

In the "kitchen-sink model" for CD4 T-cell loss, what does the sink's drain represent?

Correct AnswerverifiedShow Answer

There currently is no effective cure for AIDS.

Correct AnswerverifiedShow Answer

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Tuberculosis is caused by the bacterium ...
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1. Pneumocystis jiroveci pneumonia: a fu...
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1. Attachment: HIV binds to receptors on...
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A virus consists of two basic ...
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