Question 1

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

Question 2

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 more 
A)  one to two days 
B)  one to two weeks 
C)  one month 
D)  two months 
E)  six months or more

Question 3

Unlike AIDS, both tuberculosis and malaria can be cured.

Accepted Answer

A) True 
 B)False

Question 4

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. 
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.

Question 5

Describe the causative agents and transmission of tuberculosis.

Accepted Answer

Tuberculosis is caused by the bacterium

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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. 
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.

Question 8

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 person 
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 person

Question 9

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)  uncoating 
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)  uncoating

Question 10

There currently is no effective cure for AIDS.

Accepted Answer

A) True 
 B)False

Question 11

There is no point to taking antibiotics for a cold.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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 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 prescribed 
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 prescribed

Question 15

Describe the structure of a typical virus.

Accepted Answer

A virus consists of two basic

Question 16

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)  gp120 
A)  matrix 
B)  capsid 
C)  nucleocapsid 
D)  protease 
E)  gp120

Question 17

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

Question 18

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 19

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 infections 
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 infections

Question 20

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 these 
A)  epidemic 
B)  outbreak 
C)  pandemic 
D)  opportunistic infection 
E)  none of these

Exam 8: Biology of Infectious Diseases

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

How long does treatment for TB take?

Unlike AIDS, both tuberculosis and malaria can be cured.

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

Describe the causative agents and transmission of tuberculosis.

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

An emerging disease is one that

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

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

There currently is no effective cure for AIDS.

There is no point to taking antibiotics for a cold.

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

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

Which of the following is an unwise use of antibiotics?

Describe the structure of a typical virus.

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

Which of the following has/have developed antibiotic resistance?

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

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

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

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

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