Kidney crystals are solid clusters of

Options

A. Calcium nitrate and uric acid
B. Phosphate and uric acid
C. Calcium carbonate and uric acid
D. Calcium metabisulphite and uric acid

Answer

C

Explanation

Kidney stones begin when minerals that are normally held in solution in urine become saturated and form crystals. These crystals cluster are together to form a solid piece of material called a stone made up of phosphate and uric acid.