Chapter 09: Anti-Infectives: Antiviral Drugs

Chapter 09: Anti-Infectives: Antiviral Drugs

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

BASIC CONCEPTS

 

1. What does the term “host” mean?

a.	The person infected by a virus.
b.	The type of virus known as a retrovirus.
c.	The type of virus known as a common virus.
d.	The type of infection that occurs only in immunosuppressed people.

 

 

ANS:  A

A host is the person infected by a virus whose cells allow viral replication.

 

DIF:    Cognitive Level: Remembering        REF:   p. 137

 

2. Why do most people become ill with a specific viral infection only once?

a.	Once a virus is killed by the body, it is gone from the earth forever.
b.	During a viral infection, the body changes the virus to be less virulent.
c.	Antiviral drugs change the viral DNA so it cannot infect the same person again.
d.	During a specific viral infection, the person’s immune system improves protection against that virus.

 

 

ANS:  D

Viruses are foreign invaders. When a person is infected with them to the extent that they become sick, the immune system learns to make antibodies against them. Then, on another exposure to the same virus, the antibodies take defensive steps to remove or eliminate the viruses before the person becomes sick again.

 

DIF:    Cognitive Level: Remembering        REF:   p. 147

 

3. Which statement about antiviral drugs is true?

a.	They are all most effective at killing viruses.
b.	They are all effective against any type of infection.
c.	They all work by slowing the replication of viruses.
d.	They are all only effective in people with strong immune systems.

 

 

ANS:  C

Drugs are not able to “kill” a virus in the human body. Antiviral drugs are only “virustatic” in that they can only suppress viral replication. Only a person’s immune system can kill, inactivate, or eliminate viruses.

 

DIF:    Cognitive Level: Remembering        REF:   p. 147

 

4. Which antiviral drug is only given by oral inhalation?

a.	Cyclovir (Zovirax)
b.	Zanamivir (Relenza)
c.	Oseltamivir (Tamiflu)
d.	Amantadine (Symmetrel)

 

 

ANS:  B

Acyclovir is given intravenously or as an orally swallowed drug. Oseltamivir and amantadine are swallowed orally.

 

DIF:    Cognitive Level: Remembering        REF:   p. 140

 

5. Which specific virus causes mononucleosis?

a.	Cytomegalovirus
b.	Hantavirus
c.	Epstein-Barr virus
d.	West Nile virus

 

 

ANS:  A

Hantavirus causes hantavirus pulmonary syndrome. Epstein-Barr virus causes chronic fatigue syndrome and some types of lymphomas, not mononucleosis. West Nile virus causes an infection with encephalitis and/or meningitis problems, not mononucleosis.

 

DIF:    Cognitive Level: Remembering        REF:   p. 141