Practice Questions

Screening prevents contaminated blood use.

HIV does not replicate in mosquitoes.

HIV contains two copies of ssRNA.

Chronic diarrhea commonly occurs in advanced HIV infection.

Fewer helper T cells weaken defense mechanisms.

HIV attaches mainly to CD4 receptors.

Handshakes and casual contact do not spread HIV.

Antibody tests help identify infection.

HIV does not survive long outside hosts.

Chronic infection often causes weight loss.