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Human Pharmacology

Nursing

Quiz 51 :

Antiviral Agents

Quiz 51 :

Antiviral Agents

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The pharmacologic mechanism of action of didanosine is:
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Multiple Choice
Answer:

Answer:

C
Didanosine is a nucleoside reverse transcriptase inhibitor.

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The pharmacologic mechanism of action of acyclovir includes:
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Multiple Choice
Answer:

Answer:

A
Acyclovir triphosphate inhibits virus growth in three ways. First, it competitively inhibits DNA polymerases, with human DNA polymerases being significantly less susceptible than viral enzymes. Second, it terminates DNA elongation. Third, it produces irreversible binding between viral DNA polymerase and the interrupted chain, causing permanent inactivation.