Multiple choice

Under which condition the production of urine per day increases?

  1. On cold damp day

  2. On continuous exercise

  3. On very warm and dry day

  4. None of the above
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A Correct answer
Explanation

On cold damp days, urine production increases due to reduced sweating and peripheral vasoconstriction. When cold, blood vessels constrict, increasing blood pressure and glomerular filtration rate. Additionally, less water is lost through sweat, so more water is available for urine production. Exercise and warm weather both increase sweating, reducing urine volume.

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