Gce Model Questions Vol1 2020 Biology Question 6

Practice essay / theory question 6 from the 2020 Gce Model Questions Vol1 Biology examination. This question covers Excretion .

Gce Model Questions Vol1 2020 Biology Essay / Theory

Topic: Excretion

Question 6 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay

A 55‑year‑old man has been diagnosed with hypertension. The physician explains that the kidneys play a central role in regulating blood pressure and prescribes a thiazide diuretic.

Question Parts

( a )

Describe the processes of glomerular filtration, tubular reabsorption and tubular secretion in the nephron, and explain how each contributes to the formation of urine.

( b )

Explain how the kidneys contribute to long‑term regulation of blood pressure, mentioning the renin‑angiotensin‑aldosterone system (RAAS).

( c )

Discuss the mechanism by which thiazide diuretics lower blood pressure, and state one important side‑effect that a clinician must monitor.

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About This Question

This is Gce Model Questions Vol1 2020 Biology Question 6. It is one of the essay questions from the 2020 Gce Model Questions Vol1 Biology examination.

The question covers Excretion .

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