Sample Questions — Urine formation
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MCQ
What is the role of juxta glomerular apparatus (JGA)?
✅ Correct Answer: D
JGA regulates GFR by releasing renin.
MCQ
If the basement membrane in the nephron thickens, what is the likely consequence?
✅ Correct Answer: D
Thickening of the basement membrane impedes the filtration of blood by increasing resistance. This lowers GFR and may lead to accumulation of nitrogenous wastes like urea in the blood, a condition known as uremia.
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MCQ
Which substances are secreted by tubular cells into the filtrate?
✅ Correct Answer: A
Tubular secretion helps in maintaining ionic and acid-base balance.
MCQ
What are the epithelial cells of Bowman’s capsule called?
✅ Correct Answer: B
Podocytes form the epithelium of Bowman’s capsule and aid in filtration.
MCQ
What is the function of tubular secretion in urine formation?
✅ Correct Answer: B
It maintains acid-base and ionic balance.
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