Multiple choice

In order for the kidneys to remove waste, what is the least amount of hourly urine output ?

  1. 10 ml

  2. 20 ml

  3. 30 ml

  4. 40 ml

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A urine output of at least 30 ml per hour is generally considered the minimum threshold for adequate kidney perfusion and function in adults. Values below this may indicate dehydration or renal impairment.