A 24-year-old man with a history of Aids is currently managed by antiretroviral therapy  (HAART) containing a protease-inhibitor, a nucleoside reverse transcriptase inhibitor and a non-nucleoside reverse transcriptase inhibitor.

Which one of these drugs is a non-nucleoside reverse transcriptase inhibitor?

A- Etravirine

B- Indinavir

C- Lamivudine

D- Saquinavir

E- Zidovudine




Answer:




Etravirine is the only non-nucleoside reverse transcriptase inhibitor among the above choices. Indinavir and saquinavir are protease inhibitors while lamivudine and zidovudine are nucleoside reverse transcriptase inhibitors.

The correct answer is A