Pathology EMQ template.

Name: Natalie Lane

Theme: Immune Response to Infection

OPTION LIST

A	CD8 T cells	I	IgG
B	C1	J	IgM
C	C3	K	Macrophages
D	C5a	L	Natural Killer Cells
E	C9	M	Neutrophils
F	Dendritic Cells	N	Pre-B Cells
G	IgA	O	T-Helper 1 Cells
H	IgE	P	T-Regulatory Cells

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. Polymorphonuclear cells capable of phagocytosing pathogens (killing via oxidative and non-oxidative mechanisms)

2. A type of cell derived from monocytes and are resident in the peripheral tissues.

3. A subset of lymphocyctic cells expressing FOXP3 and CD25

4. Present in mucous to help provide a constitutive barrier to infection.  A type of divalent antibody.

5. Binding of immune complexes to this protein triggers the classical pathway of complement activation.

ANSWERS

1. Neutrophils

2. Macrophages

3. T-Helper 1 Cells

4. IgA

5. C1