Renal Blood Flow, Filtration and Clearance
- Previous year questions on Renal Blood Flow, Filtration and Clearance for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 15 live questions in Renal Blood Flow, Filtration and Clearance.
- 6 of 15 questions carry a verified exam year: 2017, 2018.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 19 Aug 2026.
Q1.Glomerular filtration barrier does not permit
- A4000 daltons
- B400 daltons
- C40000 daltons✓ Correct answer
- D40 daltons
Q2.Ultra filtrate passes through all filtration barrier except
- AEndothelial fenestra
- BBasement membrane
- CFenestra in podocytes✓ Correct answer
- DFiltration slit between podocytes
Q3.68-years-old man weighing 60 kg has plasma creatinine 3mg/dL. What will be creatinine clearance?
- A10
- B20✓ Correct answer
- C30
- D40
Q4.What is the clearance of a substance when its concentration in the plasma is 10mg/dl, its concentration in the urine is 100mg/dl and urine flow is 2ml/min?
- A0.2ml/min
- B2ml/min
- C20ml/min✓ Correct answer
- D200ml/min
Q5.According to myogenic hypothesis of renal autoregulation, the afferent aerioles contract in response to stretch induced by:
- ANo release
- BNarodrenaline release
- COpening of Ca2+ channels✓ Correct answer
- DAdenosine release
Q6.A decrease in which of the following would be expected to occur in response to a direct increase in renal aerial pressure?
- AGlomerular filtration rate
- BWater excretion
- CSodium excretion
- DExtracellular fluid volume✓ Correct answer
Q7.Relaxation of mesangial cells of kidney is brought about by
- APGF2a
- BVasopressin
- CcAMP✓ Correct answer
- DEndothelin
Q8.In the formula for urea clearance, C = U x V/P, what does U stands for:
- AUrinary concentration in g/24 hour
- BUrinary concentration in mg/ml✓ Correct answer
- CUrine osmolarity
- DUrine volume per minute
Q9.Calculate net filtration pressure with the following data: PGC = 42 mm Hg pGC = 12 mm Hg PBC= 16 mm Hg Assume that no proteins were filtered.
- A34 mm Hg
- BData not sufficient
- C14 mm Hg✓ Correct answer
- D28 mm Hg
Q10.GFR is increased by all except?
- AIncreased renal blood flow
- BEfferent arteriole constriction
- CRenal stone in ureter✓ Correct answer
- DDecreased oncotic pressure
Answer key
Q1: C. 40000 daltons; Q2: C. Fenestra in podocytes; Q3: B. 20; Q4: C. 20ml/min; Q5: C. Opening of Ca2+ channels; Q6: D. Extracellular fluid volume; Q7: C. cAMP; Q8: B. Urinary concentration in mg/ml; Q9: C. 14 mm Hg; Q10: C. Renal stone in ureter.
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