PATHOLOGY Renal N* Q-3

[Roxanita]

After 6 hours of excruciating pain, a 26-year-old man passes a 3-mm calculus. The calculus is most likely to be composed primarily of
A) bilirubin
B) calcium salts
C) cystine
D) triple phosphate
E) urate

[Anonymous]

It is "Calcium Salts"

I wish the step-1 were so easy..!!!

[Lorena]

The most common renal calculus are calcium oxalate; second Mg ammonium phosphate. Both radiopaques.

Uric acid are less common and it is Unseen on X ray-radiolucid

[Giatros]

m.c. calculi:

1) calcium oxalate
2) calcium phosphate
3) Mg++
4) Uric Acid