Question

exam : hiv: beyond the basics

1. what is the next step when someone has tested positive for human immunodeficiency virus (hiv) after an initial screening test?

a follow - up test is needed to confirm the diagnosis.
grief counseling must be provided.
the results are sent to the centers for disease control (cdc).
a persons past sexual partners are notified.

1. what class of viruses does human immunodeficiency virus (hiv) belong to?

adenoviruses
retroviruses
rotaviruses
noroviruses

1. what is the stage of human immunodeficiency virus (hiv) where a person begins to develop opportunistic infections?

acquired immunodeficiency syndrome (aids)
chronic immunodeficiency syndrome (cids)
systemic immunodeficiency syndrome (sids)
latent immunodeficiency syndrome (lids)

Explanation:

1. Initial HIV screening tests can have false - positives. A follow - up test is standard to confirm the diagnosis.
2. HIV is a retrovirus as it uses reverse transcriptase to convert its RNA genome into DNA.
3. When a person with HIV develops opportunistic infections, they have progressed to Acquired Immunodeficiency Syndrome (AIDS).

Answer:

1. A. A follow - up test is needed to confirm the diagnosis.
2. B. Retroviruses
3. A. Acquired immunodeficiency syndrome (AIDS)