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Please explain, thank you. You are attending a dinner party with a world famous

ID: 185426 • Letter: P

Question

Please explain, thank you.

You are attending a dinner party with a world famous animal physiologist. Over dinner the conversation turns to her latest discoveries. She says that recently, she and her team have discovered a rare species of fish that has juxtamedullary nephrons. As a student of physiology yourself you remark, "My goodness, that must mean the fish is able to __________, a physiological ability never before discovered in fish." She is so impressed that she invites you become a graduate student in her lab. Congratulations!

produce copious (a lot) of dilute urine O the fish is able to concentrate its urine above the osmolarity of its body fluids. O make urine that is high in uric acid. O the fish is able to actively pump water into the collecting duct of the nephron.

Explanation / Answer

Here the correct answer is-'the fish is able to concentrate it's urine above the osmolality of its body fluids'. The role of jaxtamedulary nephron is to concentrate the urine by absorbing the water.