Question at position 40 Which of the following is a lesser-known function of the urinary system?Regulating blood pressureAbsorbing oxygenDigesting nutrientsProducing urine to remove waste

Question

BlackTom AI · Accepted Answer

Question: Which of the following is a lesser-known function of the urinary system?

Option 1: Regulating blood pressure. This is a valid urinary system function that is not as commonly emphasized as urine formation. The kidneys release renin, which participates in the renin-angiotensin-aldosterone system to help regulate blood pressure and fluid balance. This reflects a physiological role beyond simply filtering and excreting wastes.

Option 2: Absorbing oxygen. The urinary system does not absorb oxygen; oxygen absorption is a function primarily associated with the respiratory and circulatory systems, and cellular metabolism. Therefore this statement is inaccurate.

Option 3: Digesting nutrients. Digestion of nutrients occurs in the digestive system (stomach, intestines, liver, etc.), not in the urinary system. This option misattributes a digestive role to the kidneys/bladder.

Option 4: Producing urine to remove waste. While the urinary system’s core purpose includes producing urine to eliminate waste, this is a primary, well-known function, not a lesser-known one. Thus labeling it as lesser-known is incorrect.

In summary, among the options, regulating blood pressure reflects a legitimate, comparatively lesser-highlighted function of the urinary system (via the renin-angiotensin mechanism), whereas the other choices describe either incorrect roles or the system’s primary, well-known function of urine production for waste removal.

Question at position 40 Which of the following is a lesser-known function of the urinary system?Regulating blood pressureAbsorbing oxygenDigesting nutrientsProducing urine to remove waste单项选择题

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