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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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All of the following are used to measure ECF volume, except
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The correct answer is  ECF is measured using inulin which is a polysaccharide. Other substances used are mannitol and sucrose. These substances cannot enter a cell but can freely cross the capillary membrane and thus distribute evenly in the ECF compaments. (REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 61)