Exam 24: Laboratory Diagnosis of HIV Infection

The RT-PCR is a highly sensitive method that involves:

Which antigen can be routinely detected in the blood of a person who has recently been infected with HIV?

Match the HIV protein product to its function. -gp41

Which of the following is considered the best indicator of immune function in HIV-infected individuals?

Histoplasmosis (disseminated or extrapulmonary)is an opportunistic infection of stage 3 HIV infection.

The most commonly used HIV drug-resistance assays are based on:

Match the HIV protein product to its function. -p24

The Southern blot test is the specific confirmatory test for HIV infection.

Which HIV group is responsible for a majority of the HIV infections worldwide?

Match the HIV protein product to its function. -gp120

Which of the following peripheral blood measurements is used to determine the stage of HIV infection?

Which of the following genes is responsible for the coding of reverse transcriptase?

When HIV replicates,the DNA in the viral genome is transcribed into RNA.

In the Western blot test for HIV antibody,a positive test result is indicated by the bands p24 and p55.

Match the HIV protein product to its function. -p66

Of the designated subtypes of HIV,which is the most common in the United States?

CD4 T cells play a central role in the immune response system by regulating the activities of B and T lymphocytes.