A 54-year-old missionary traveling alone in a remote region of Southern Asia becomes lost. After several days, he arrives at a small village. However, he has gone 24 hours without food or water, and his urine osmolarity is 1150 mOsm/L. The majority of the total amount of water filtered by this individual's glomeruli is reabsorbed in which of the following portions of the nephron?

Question

A 54-year-old missionary traveling alone in a remote region of Southern Asia becomes lost.  After several days, he arrives at a small village.  However, he has gone 24 hours without food or water, and his urine osmolarity is 1150 mOsm/L.  The majority of the total amount of water filtered by this individual's glomeruli is reabsorbed in which of the following portions of the nephron?

Quizplus · Accepted Answer

Eductional Objective: Regardless of the patient's hydration status, the majority of water reabsorption in the nephron occurs in the proximal tubule passively with the reabsorption of solutes.

A 54-Year-Old Missionary Traveling Alone in a Remote Region of Southern