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HIV and Immune Systems Part 1

Authored by Terry Robinson

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University

Used 1+ times

HIV and Immune Systems Part 1
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49 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

T/F: AIDS was first recognized in the mid-'81 when clusters of gay patients had developed ​

TRUE

FALSE

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a co-receptor that facilitates HIV entry into host cells?

CXCL8

CCR5

IL-2

CD8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary target of HIV in the human immune system?

B Cells

CD8+ T cells

CD4+ T helper cells

Natural Killer Cells

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the normal range of CD4+ T cell count in a healthy individual?

200–400 cells/mm³

500–800 cells/mm³

800–1100 cells/mm³

1100–1400 cells/mm³

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about HIV-2?

It is more common globally than HIV-1

It is sensitive to NNRTIs

It is primarily found in Western Africa

It progresses faster than HIV-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mechanism of action of NRTIs (Nucleoside Reverse Transcriptase Inhibitors)?

Inhibit protease enzyme

Block viral entry into the cell

Inhibit reverse transcriptase by mimicking nucleosides

Prevent integration of viral DNA into host genome

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following drugs is associated with a hypersensitivity reaction linked to HLA-B*5701?

Tenofovir

Emtricitabine

Abacavir

Zidovudine

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