Chapter·MicrobiologyHIV

Antiretroviral therapy principlesDownloads

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Sample Questions

1

A 32-year-old man comes to the physician for a follow-up examination 1 week after being admitted to the hospital for oral candidiasis and esophagitis. His CD4+ T lymphocyte count is 180 cells/μL. An HIV antibody test is positive. Genotypic resistance assay shows the virus to be susceptible to all antiretroviral therapy regimens and therapy with dolutegravir, tenofovir, and emtricitabine is initiated. Which of the following sets of laboratory findings would be most likely on follow-up evaluation 3 months later? $$$ CD4 +/CD8 ratio %%% HIV RNA %%% HIV antibody test $$$

A↓ ↓ negative

B↑ ↑ negative

C↓ ↑ negative

D↑ ↓ positive

E↓ ↑ positive

2

A 37-year-old man comes to the physician because of a 6-month history of progressive breast enlargement. Two years ago, he was diagnosed with HIV infection and started treatment with antiretroviral medications. Examination shows a soft, non-tender, ill-defined swelling at the nape of the neck. The cheeks appear hollowed. Serum studies show increased total cholesterol and LDL concentration. Which of the following medications is the most likely cause of these findings?

ANevirapine

BIndinavir

CEnfuvirtide

DAbacavir

ERaltegravir

3

A 35-year-old woman presents to a physician’s office for a follow-up visit. She recently underwent a complete physical examination with routine laboratory tests. She also had a Pap smear and testing for sexually transmitted diseases. Since her divorce 2 years ago, she had sexual encounters with random men at bars or social events and frequently did not use any form of contraception during sexual intercourse. She was shown to be positive for the human immunodeficiency virus (HIV). Combination anti-retroviral treatment is initiated including zidovudine, didanosine, and efavirenz. One week later, she is rushed to the hospital where she is diagnosed with acute pancreatitis. Which of the following precautions will be required after pancreatitis resolves with treatment?

AFrequent monitoring of CD4+ cell count

BAdd ritonavir to the HIV treatment regimen

CReplace efavirenz with nevirapine

DReplace didanosine with lamivudine

ECheck hemoglobin levels

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