In this video, we break down a high-yield MCQ from renal physiology: "The P cell present in epithelium of collecting duct are concerned with ?" Understand the roles of P cells (Principal cells) in Na⁺ reabsorption, water reabsorption (vasopressin effect), and how they differ from intercalated cells involved in acid-base balance. ✅ Perfect for NEET, USMLE, and other medical exams! 📚 Learn the key renal physiology concepts in under 2 minutes. 🔔 Don't forget to subscribe for more medical MCQs and explanations! #renalphysiology #medicalmcqs #neetpreparation #usmle #popular #cells #collecting #ducts #physiology #explained #medstudentlife #medicalexams #mcq #mcqs #review w Correct Answer: b. Water reabsorption influenced by vasopressin (But option a is also correct for P cells. Option c is for intercalated cells. So the most comprehensive answer is d. All of the above.)