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An HIV-positive patient asks you if you can tell him the chances of him progressing to symptomatic AIDS. Which one of the following tests would be most useful?

A. CD4 lymphocyte count
B. HIV antibody test
C. HIV RT-PCR
D. HIV p24 antigen

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The latest and most effective therapy for AIDS patients includes azidothymidine (AZT), dideoxyinosine (DDI), and saquinavir or similar agents. Use of these three drugs would inhibit which of the following viral processes?

A. RNase, DNase
B. gp120 formation
C. p24 antibody expression
D. Reverse transcriptase andprotease

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An HIV-positive patient prior to being treated with AZT, DDI, and saquinavir has a CD4 lymphocyte count and an HIV RNA viral load test done. Results are as follows:CD4: 50 CD4 lymphocytes per microliterHIV RNA: 750,000 copies per ml Which of the following statements best describes the above patient?

A. This patient is no longer in danger of opportunistic infection
B. The 5-year prognosis is excellent
C. The patient's HIV screening test is most likely negative
D. The viral load of 750,000 copies per ml suggests that the patient will respond to triple therapy

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This HIV-positive patient with a viral load of 750,000 copies of HIV RNA/ml and a total CD4 count of 50 is at an increased risk for a number of infectious diseases. For which of the following diseases is the patient at no more added risk than an immunocompetent host?

A. Pneumocystic carinii pneumonia
B. Mycobacterial disease
C. Kaposi's sarcoma
D. Pneumococcal pneumonia

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HIV-1 is classified as a member of the Lentivirus genus in the Retroviridae family. Lentiviruses

A. Contain a DNA genome
B. Cause tumors in mice
C. Infect cells of the immune system
D. Have related sequences endogenous in normal cells
E. Cause rapidly progressive neurologic diseas

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An HIV-positive patient asks you if you can tell him the chances of him progressing to symptomatic AIDS. Which one of the following tests would be most useful?

A. CD4 lymphocyte count B. HIV antibody test C. HIV RT-PCR D. HIV p24 antigen

The latest and most effective therapy for AIDS patients includes azidothymidine (AZT), dideoxyinosine (DDI), and saquinavir or similar agents. Use of these three drugs would inhibit which of the following viral processes?

This HIV-positive patient with a viral load of 750,000 copies of HIV RNA/ml and a total CD4 count of 50 is at an increased risk for a number of infectious diseases. For which of the following diseases is the patient at no more added risk than an immunocompetent host?

HIV-1 is classified as a member of the Lentivirus genus in the Retroviridae family. Lentiviruses

A. CD4 lymphocyte count
B. HIV antibody test
C. HIV RT-PCR
D. HIV p24 antigen