Multiple choice

Accumulation of nitrogenous waste products in the blood is an indication that the

  1. heart is not functioning

  2. kidneys are not functioning properly

  3. lungs are functioning

  4. liver is not functioning
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Accumulation of nitrogenous waste products in the blood is an indication that the kidneys are not functioning properly. Kidneys play a critical role not only in excreting waste products, but also in maintaining electrolyte and water balance. As kidney function declines, nitrogenous waste products, i.e. blood urea nitrogen (BUN), and creatinine accumulate.

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