Ijmb Model Questions Vol1 2022 Biology Question 6

Practice essay / theory question 6 from the 2022 Ijmb Model Questions Vol1 Biology examination. This question covers Excretion .

Ijmb Model Questions Vol1 2022 Biology Essay / Theory

Topic: Excretion

Question 6 IJMB_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • essay

A 30‑year‑old woman with normal kidney function undergoes a water‑loading test. She drinks 1 L of water within 10 minutes and her urine output over the next hour is measured.

Question Parts

( a )

Describe the sequence of events in the nephron that lead to the formation of urine, highlighting the roles of filtration, reabsorption and secretion.

( b )

If the measured urine volume is 800 mL with an osmolarity of 150 mOsm·kg⁻¹, calculate the amount of solute excreted and comment on the state of antidiuretic hormone (ADH) activity.

( c )

Explain how the counter‑current multiplier system in the loop of Henle contributes to the kidney’s ability to produce concentrated urine.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Ijmb Model Questions Vol1 2022 Biology Question 6. It is one of the essay questions from the 2022 Ijmb Model Questions Vol1 Biology examination.

The question covers Excretion .

View More Ijmb Model Questions Vol1 2022 Biology Questions More Ijmb Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows

Chat with Support