Multiple choice

The major component of urine is

  1. water

  2. urea

  3. creatinine

  4. uric acid

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A Correct answer
Explanation

Approx. 95% of the volume of normal urine is due to water. The other 5% consists of solutes (chemicals that are dissolved in the water). Some of these solutes are the result of normal biochemical activity within the cells of the body. Other solutes may be due to chemicals that originated outside of the body, such as pharmaceutical drugs.

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