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
WE - are absorbed in the DCT:
assistant
The correct answer is  B i.e. PotassiumPotassium once filtered in the tubular fluid is reabsorbed only in the proximal tubules. Nowhere else it is reabsorbed so it is not reabsorbed in the DCT, rather it is secreted into the tubular fluid in DCTQ.Water reabsorption in DCTEarly pa of distal tubule is impermeable to water.Late DCT becomes permeable under the influence of ADH.