MCQs

Antibody tests help identify infection.

HIV does not survive long outside hosts.

Chronic infection often causes weight loss.

Vertical transmission can occur before or after birth.

Blood-contaminated needles can transfer HIV.

HIV relies on host cells for reproduction.

AIDS results from HIV infection.

Reduced immunity allows infections to develop.

Reverse transcriptase synthesizes DNA from viral RNA.

HIV is classified as a retrovirus.

HIV is a retrovirus containing RNA and reverse transcriptase.

Long-lasting fever frequently occurs in AIDS patients.

Sexual contact is a major transmission route.

Blood contains sufficient viral particles for transmission.

HIV can spread through infected blood.

Loss of CD4 cells weakens immunity.

HIV specifically infects and destroys helper T cells.

HIV causes AIDS by attacking the immune system.

Phages mediate transduction, transferring genes between bacteria.