system
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.
user
Over half of the potassium that appears in the urine of a patient, who has ingested some potassium salts, is derived from
assistant
The correct answer is  In Normal K+ intake -
-        The proportion of K+ by filtration in urine- 2/3
-        The proportion of K+ by secretion in urine (Distal tubules and collecting duct)- 1/3
In High K+ intake-  
-        The proportion of K+ by filtration in urine- 1/3
-        The proportion of K+ by secretion in urine (Distal tubules and collecting duct)- 2/3