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Understanding Pharmacology: Essentials for Medication Safety

M. Linda Workman; Linda A. LaCharity

Chapter 9

Anti-Infectives: Antiviral Drugs - all with Video Answers

Educators

Chapter Questions

00:33

Problem 1

Which result is an expected outcome of antiviral therapy?
A. The patient develops immunity against reinfection with the same virus.
B. The patient's natural immunity is "boosted" as a result of drug therapy.
C. Viruses are killed upon interacting with the drug.
D. Viral replication is suppressed.

Sabihah Khan
Sabihah Khan
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01:12

Problem 2

For what viral infection is ribavirin most commonly used?
A. Hepatitis B (HVB)
B. Herpes simplex type 2 (HSV2)
C. Respiratory syncytial virus (RSV)
D. Late stage human immunodeficiency virus (HIV)

Jorge Villanueva
Jorge Villanueva
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Problem 3

Which food, drug, or beverage should patients be taught to avoid while taking adefovir dipivoxil (Hepsera)?
A. Acetaminophen
B. Aspirin
C. Caffeine
D. Smoked meats and aged cheese

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Problem 4

What is the most common side effect of drugs from the protease inhibitor class?
A. Increased risk for leukemia
B. Uncontrolled bleeding
C. Injection site pain
D. Liver toxicity

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02:36

Problem 5

Which antiretroviral drug belongs to the integrase inhibitor class?
A. darunavir (Prezista)
B. delavirdine (Rescriptor)
C. didanosine (Videx)
D. dolutegravir (TIVICAY)

Maryam Riaz
Maryam Riaz
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Problem 6

Which antiretroviral drugs are not approved for use in children? Select all that apply.
A. atazanavir (Reyataz)
B. efavirenz (Sustiva)
C. emtricitabine (Emtriva)
D. maraviroc (Selzentry)
E. raltegravir (Isentress)
F. rilpivirine (EDURANT)
G. tenofovir (Viread)
H. tipranavir (Aptivus)

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Problem 7

Acyclovir (Zovirax) is prescribed for a patient who takes phenytoin (Dilantin) for seizure control. How should drug therapy for this patient be altered?
A. The phenytoin should be stopped because it inactivates acyclovir.
B. The phenytoin dose should be increased because acyclovir reduces its effectiveness.
C. The acyclovir dose should be increased because phenytoin enhances the excretion of acyclovir.
D. The oral dose of acyclovir should be separated from the oral dose of phenytoin by at least 6 hours.

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Problem 8

Which health care professional should avoid caring for a patient receiving ribavirin by aerosol inhalation?
A. A 25-year-old who is HIV positive
B. A 29-year-old who is 2 months pregnant
C. A 50-year-old who has herpes simplex type 2
D. A 62-year-old receiving radiation therapy for breast cancer

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03:06

Problem 9

Why does rimantadine (Flumadine) have fewer nervous system side effects than amantadine (Symmetrel)?
A. Amantadine has a half-life that is twice as long as rimantadine.
B. Amantadine is more effective at suppressing viral replication than rimantadine.
C. Rimantadine is administered orally and amantadine is administered intravenously.
D. Rimantadine concentrates more in the respiratory system and less in the brain than amantadine.

Jessica Wooten
Jessica Wooten
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Problem 10

Which precaution is most important to teach a patient prescribed to take zanamivir (Relenza)?
A. Avoid using a spacer.
B. Take the drug with food or milk.
C. Drink a full glass of water with each dose.
D. Report any pain or redness at the injection site to the prescriber.

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Problem 11

A patient who is prescribed highly active antiretroviral therapy (HAART) is flying to a wedding and will be gone 1 day. He asks if he can skip his drugs that day so that he doesn't have to show them all at the airport. What is your best response?
A. "Yes, just 1 day off your drugs will not make any difference."
B. "Yes, as long as you avoid direct contact with anyone who is ill."
C. "No, even 1 day off the drugs can help the virus become drug resistant."
D. "No, even 1 day off the drugs increases the chances that you can spread the disease."

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Problem 12

Which statement made by a patient prescribed to take lamivudine (Epivir) orally daily indicates correct understanding of therapy with this drug?
A. "I will avoid fatty foods and fried foods."
B. "I will report flulike symptoms to the prescriber immediately."
C. "I will avoid drinking any beverages that contain caffeine."
D. "I will stop this drug immediately if I become pregnant."

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Problem 13

A patient is prescribed to take nelfinavir (Viracept) $750 \mathrm{mg}$ orally every 8 hours. How many total milligrams of the drug should this patient have in a 24 -hour period?___________ $\mathrm{mg}$

Ronald Prasad
Ronald Prasad
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01:14

Problem 14

A woman is prescribed to receive $8 \mathrm{mg} / \mathrm{kg}$ of the drug acyclovir (Zovirax) intravenously. She weighs $164 \mathrm{lb}$. What is her weight in $\mathrm{kg}$ ? _______receive for an accurate dose?_________ $\mathrm{mg}$ $\mathrm{kg}$ How many milligrams of the drug should she

Liuxi Sun
Liuxi Sun
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