Pathology EMQ template.

Name: Sangeetha Pelly

Candidate number:

Theme: HIV/AIDS

OPTION LIST

A	Class I HLA molecule	I	Class II HLA molecule
B	Follicular Dendritic Cells	J	Antibodies and adequate CD8+ T cells
C	CD4 molecule	K
D	CD4,CCR5 and CXCR4 molecules	L
E	CD4+ T helper cells	M
F	CD4+ T helper cells and macrophages	N
G	CD4+ T helper cells, dendritic cells and macrophages	O
H	CD8+ cytotoxic T cells	P

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

1. What is required for effective immunity to HIV?

2. Which cells in the lymph node are able to trap HIV-1?

3. What does the infecting strain of HIV require to enter target cells?

4. What undergoes a selective loss when the immune system is infected with HIV-1?

5. What components of the immune system are infected with HIV?

ANSWERS

1. J

2. B

3. D

4. E

5. G