Health

Question

Which of the following is NOT found in urine?

A. Urea
B. Ammonia
C. Creatinine
D. Electrolytes

2 Answer

  • The answer is D ; Electrolytes. Urine is an aqueous solution with greater than 95%  water. Other constituents include urea, chloride, sodium, potassium, creatinine and other dissolved ions, and inorganic and organic compounds. Urea is s non toxic molecule made of toxic ammonia and carbon dioxide. There is about 60 times as much urea as uric acid in urine. Creatinine is a hydrated form of creatine which is twice as much as uric acid in the urine.

  • The remainder  of urine is “nitrogenous wastes” and salts, which include urea, uric acid, ammonia, and creatinine.

    D. Electrolytes

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