Question 1

Why is the bird flu (H5N1) considered an emerging disease where as HIV is not?

Accepted Answer

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

Question 2

How long does the treatment for TB take?

Accepted Answer

A)  1-2 days
B)  1-2 weeks
C)  1 month
D)  2 months
E)  6+ monthsF) A) and C)
G) C) and D)

Question 3

There is no guaranteed cure for AIDS.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following factors is helping increase the incidence of emerging diseases?

Accepted Answer

A)  global warming
B)  expansion of range by insect vectors
C)  abuse of antibiotics
D)  poor implementation of vaccination programs
E)  All of these are factors that are helping increase the incidence of emerging diseases.F) A) and C)
G) A) and B)

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)  gp 120F) B) and C)
G) D) and E)

Question 6

Unlike AIDS,both tuberculosis and malaria can be cured.

Accepted Answer

A) True 
 B)False

Question 7

There is no point in taking antibiotics for a cold.

Accepted Answer

A) True 
 B)False

Question 8

How does HIV know what cells to infect?

Accepted Answer

A)  It can infect any cell it comes in contact with.
B)  It can only infect cells on the surface of the body where the temperature is lower.
C)  It can only infect cells that are actively growing and dividing.
D)  It infects cells with a particular surface receptor.
E)  It only infects cells that line the reproductive tract.F) B) and D)
G) C) and D)

Question 9

The vast majority of new HIV infections are in people under the age of 15.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is an unwise use of antibiotics?

Accepted Answer

A)  Discontinue the antibiotics when you feel better.
B)  Do not take antibiotics for a viral infection.
C)  Do not save unused antibiotics.
D)  Do not skip doses of antiobiotic.
E)  Take the antibiotics only for the infection for which they were prescribed.F) C) and D)
G) A) and B)

Question 11

Which of the following diseases is considered an emerging disease?

Accepted Answer

A)  SARS
B)  H1N1
C)  H5N1
D)  Strep throat
E)  All of these are considered emerging diseases.F) C) and E)
G) A) and E)

Question 12

What do MDR TB and MRSA have in common?

Accepted Answer

A)  They are both transmitted by mosquito bites.
B)  They both cause tuberculosis.
C)  They are both multiple drug resistant bacteria.
D)  Infections with both of these have declined dramatically in recent years.
E)  They are both viruses.F) A) and E)
G) B) and E)

Question 13

How long did it take for bacteria to develop resistance to penicillin?

Accepted Answer

A)  6 months
B)  1 year
C)  4 years
D)  10 years
E)  25 yearsF) None of the above
G) D) and E)

Question 14

Most people with malaria exhibit chills and fevers every 48-72 hours.This is due to

Accepted Answer

A)  reinfection with new Plasmodium.
B)  the bursting of the red blood cells in the body.
C)  the formation of Plasmodium gametes within the body.
D)  the fusion of the male and female Plasmodium gametes to form new organisms.
E)  waves of activity by the body's B- and T-cells.F) A) and B)
G) All of the above

Question 15

The envelope of the HIV virus is actually part of the host cell plasma membrane.

Accepted Answer

A) True 
 B)False

Question 16

Why is Helicobacter pylori considered an emerging disease?

Accepted Answer

A)  It is highly antibiotic resistant.
B)  Ulcers were not known to have an infectious cause until recently.
C)  It is now present on all of the continents.
D)  It can jump from humans to pigs and back again.
E)  It had declined in the 1960s but appears to be back again.F) C) and D)
G) B) and C)

Question 17

Which of the following diseases have developed drug resistance?

Accepted Answer

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

Question 18

The uses of antibiotics does not cause antibiotic resistance,it just selects those organisms that are already resistant.

Accepted Answer

A) True 
 B)False

Question 19

How many different "lines" of antibiotics do we have against TB?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5 or moreF) A) and E)
G) A) and D)

Question 20

Legionnaires' disease emerged in 1976 due to

Accepted Answer

A)  exposure to wild monkeys.
B)  consuming horseshoe bats.
C)  mutation of the influenza virus.
D)  contamination of an air-conditioning system.
E)  abuse of antibiotics.F) All of the above
G) B) and E)

Exam 8: Biology of Infectious Diseases

Which of the following is an unwise use of antibiotics?

Correct AnswerverifiedShow Answer

Legionnaires' disease emerged in 1976 due to

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Unlike AIDS,both tuberculosis and malaria can be cured.

Correct AnswerverifiedShow Answer

The envelope of the HIV virus is actually part of the host cell plasma membrane.

Correct AnswerverifiedShow Answer

Which of the following factors is helping increase the incidence of emerging diseases?

Correct AnswerverifiedShow Answer

How long does the treatment for TB take?

Correct AnswerverifiedShow Answer

There is no guaranteed cure for AIDS.

Correct AnswerverifiedShow Answer

The uses of antibiotics does not cause antibiotic resistance,it just selects those organisms that are already resistant.

Correct AnswerverifiedShow Answer

The vast majority of new HIV infections are in people under the age of 15.

Correct AnswerverifiedShow Answer

What do MDR TB and MRSA have in common?

Correct AnswerverifiedShow Answer

Why is the bird flu (H5N1) considered an emerging disease where as HIV is not?

Correct AnswerverifiedShow Answer

Which of the following diseases have developed drug resistance?

Correct AnswerverifiedShow Answer

Which of the following diseases is considered an emerging disease?

Correct AnswerverifiedShow Answer

Most people with malaria exhibit chills and fevers every 48-72 hours.This is due to

Correct AnswerverifiedShow Answer

There is no point in taking antibiotics for a cold.

Correct AnswerverifiedShow Answer

How many different "lines" of antibiotics do we have against TB?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How long did it take for bacteria to develop resistance to penicillin?

Correct AnswerverifiedShow Answer

How does HIV know what cells to infect?

Correct AnswerverifiedShow Answer

Why is Helicobacter pylori considered an emerging disease?

Correct AnswerverifiedShow Answer

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