alleryStart learning →What is the transport maximum for glucose recovery in men and in women?
AAbout 375 mg/min in men, 300 in women
BAbout 300 mg/min in men, 375 in women
CAbout 200 mg/min in men, 100 in women
DAbout 175 mg/min in men, 200 in women
Answer & Solution
Correct answer: A. About 375 mg/min in men, 300 in women
1. Glucose transporters in the proximal tubule are finite in number and can be saturated.
2. That ceiling is the transport maximum, and it is about 375 mg/min in men.
3. In women the ceiling is about 300 mg/min.
4. Once the filtered load passes the ceiling, the surplus glucose stays in the urine as glycosuria.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.6 Tubular Reabsorption_
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