Ch. 21 Quiz

Question 1

Which of the following is a possible antiviral agent?

Answer 1

All of the above

• interferon B
• amantadine
• nucleoside analogs
• protease inhibitors

Question 2

All of the following are potential outcomes of the presence of dsRNA inside a human cell except ___.

Answer 2

Increase ATP supply

Question 3

What prompts interferon beta to be secreted?

Answer 3

dsRNA

Question 4

Which of the following is not a component of influenza virus?

Answer 4

Caspase

Question 5

Which influenza group causes the most severe outbreaks?

Answer 5

Influenza A

Question 6

What is the mode of action for the drug Tamiflu?

Answer 6

Neuraminidase inhibitor

Question 7

Which HIV protein binds to CD4?

Answer 7

gp120

Question 8

A mutation in which gene is responsible for natural resistance to HIV infection?

Answer 8

CCR5

Question 9

What is the main problem with treatment of HIV/AIDS?

Answer 9

The high mutation rate of the virus

Question 10

What is the mode of action for AZT?

Answer 10

A DNA chain terminator

Question 11

What is the favored method for HIV/AIDS therapy?

Answer 11

Treatment with a three-drug cocktail

Question 12

How do prions cause disease?

Answer 12

Prion proteins induce normal cellular proteins to refold into the prion form

Question 13

Which of the following diseases is not caused by a prion?

Answer 13

HIV

Question 14

Which method is used to identify prion infections?

Answer 14

Brain biopsy

Question 15

How might prion diseases be treated?

Answer 15

All of the above

• RNAi
• Prnp knockouts
• removal of prions using a filter
• quinacrine or chlorpromazine treatment