Science Olympiad Anatomy and Physiology Practice Test

Question: 1 / 400

What is the consequence of impaired tubular reabsorption in the kidneys?

Increased excretion of useful substances

Impaired tubular reabsorption in the kidneys leads to an increased excretion of useful substances. In a healthy kidney, the renal tubules reabsorb essential nutrients, water, and electrolytes back into the bloodstream after filtration. When this process is impaired, the kidneys may fail to adequately reabsorb these critical components, resulting in their loss through urine. This can lead to deficiencies in vital substances such as glucose, amino acids, and electrolytes, negatively impacting overall health and bodily functions.

Other potential outcomes of impaired tubular reabsorption, such as decreased urine output or improved electrolyte balance, typically do not occur as a direct consequence of this issue. Instead, the body may experience an imbalanced state, often leading to increased urine volume as the kidneys attempt to eliminate excess waste without retaining the necessary nutrients.

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Decreased urine output

Improved electrolyte balance

Increased blood volume

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