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Molecular View of HIV/AIDS (Post-test)

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For each of the following select the best answer that best fits the question or statement.

1. HIV is a(n)
A. RNA virus
B. Retro virus
C. A and B
D. DNA virus
2. HIV weakens the immune system by killing
A. antigens
B. helper T cells
C. B cells
D. mast cells
3. Which of these proteins are important in the entry of HIV into a host cell?
A. CD8
B. CD4
C. CCR5
D. B and C
4. If HIV proviral DNA is present in the host cell
A. it may remain latent (hidden) for long periods of time
B. the cell is permanently infected
C. it can produce new virus even after years.
D. all of the above.
5. The HIV protein that is involved in attachment of the virus to host cells is
A. Reverse transcriptase
B. CD4
C. gp120
D. CCR5
6. The cART for HIV does not include which of the following:
A. Protease inhibitor
B. Reverse transcriptase inhibitor
C. Integrase inhibitor
D. RNA polymerase inhibitor
7. The test for HIV looks for which of the following:
1. P24 antigen assay
2. HIV RNA assay
3. HIV-1/HIV-2 antibody assay
A. Only I
B. Both I and II
C. Both I and III
D. All I, II and III
8. Which of the following are common challenges in treating HIV infection:
A. Diagnosis/awareness of infection
B. Access to medication
C. Drug Resistance
D. All of the above
9. Developing an HIV vaccine is a challenge because:
A. HIV undergoes rapid mutation
B. The surface proteins of HIV are glycosylated
C. Both A. and B.
D. None of the above
10. HIV can be transmitted by all of the following EXCEPT:
A. tears
B. blood
C. semen
D. breast milk
11. Briefly describe the main steps in the life cycle of HIV.
12. Explain what PrEP and PEP stand for and what their function is.