Pathology EMQ template.

Name: Seshi Manam

Candidate number:

Theme: Metabolic bone histopathology

OPTION LIST

A	Osteoblasts	I	IL-1
B	Osteocytes	J	IL-6
C	Osteoclasts	K	PTH
D	Stromal cells	L	Calcium
E	Osteoblasts and Stromal cells	M	Phosphate
F	Osteoprotegrin (OPG)	N	Calcium and Phosphate
G	RANK	O	Vitamin D
H	RANK ligand	P	Osteoid

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. Bone forming cells which line endosteal surfaces. These cells deposit osteoid at a rate of 1um/day.

2. These cells are involved in bone resorption. They are multinucleate cell and are part of macrophage family.

3. Inhibits RANK ligand and deactivates the osteoclast.

4. Expresses RANK ligand on cell surface.

5. Increased excretion in urine in hyperparathyroidism.

ANSWERS

1. A

2. C

3. F

4. E

5. N