MCQs

Lymph nodes react to infection.

HIV is not spread through utensils.

Long-term HIV infection weakens immunity.

Symptoms may take years to appear.

HIV possesses a host-derived lipid envelope.

Night sweats frequently occur in chronic HIV infection.

Barrier protection lowers exposure risk.

Blood exposure greatly increases risk.

Viral DNA integrates into host chromosomes.

Weak immunity permits unusual infections.

Antiretroviral drugs reduce viral load.

Frequent infections indicate weakened immune defense.

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.