Question 1

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

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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

Question 5

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. 
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.

Question 6

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

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 or more 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5 or more

Question 7

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. 
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.

Question 8

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. 
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.

Question 9

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 years 
A) 6 months 
B) 1 year 
C) 4 years 
D) 10 years 
E) 25 years

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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 120 
A) matrix 
B) capsid 
C) nucleocapsid 
D) protease 
E) gp 120

Question 12

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. 
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.

Question 13

There is no point in taking antibiotics for a cold.

Accepted Answer

A) True 
 B)False

Question 14

Unlike AIDS,both tuberculosis and malaria can be cured.

Accepted Answer

A) True 
 B)False

Question 15

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. 
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.

Question 16

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. 
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.

Question 17

There is no guaranteed cure for AIDS.

Accepted Answer

A) True 
 B)False

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

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. 
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.

Question 20

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. 
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.

Exam 8: Biology of Infectious Diseases

Which of the following diseases have developed drug resistance?

How long does the treatment for TB take?

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

Which of the following diseases is considered an emerging disease?

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

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

Why is Helicobacter pylori considered an emerging disease?

What do MDR TB and MRSA have in common?

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

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

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

How does HIV know what cells to infect?

There is no point in taking antibiotics for a cold.

Unlike AIDS,both tuberculosis and malaria can be cured.

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

Legionnaires' disease emerged in 1976 due to

There is no guaranteed cure for AIDS.

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

Which of the following is an unwise use of antibiotics?

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

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