Tubular Transport and Urinary Concentration
- Previous year questions on Tubular Transport and Urinary Concentration 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.
- 16 live questions in Tubular Transport and Urinary Concentration.
- 7 of 16 questions carry a verified exam year: 2018, 2019.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 27 Aug 2026.
Q1.Glucose is absorbed from?
- AUpper pa of PCT✓ Correct answer
- BAscending limb of LOH
- CCortical Collecting duct
- DMedullary collecting duct
Q2.Free water clearance by the kidney is increased by which of the following?
- ADiabetes insipidus✓ Correct answer
- BRenal failure
- CDiuretic therapy
- DDiabetes mellitus
Q3.Wrong statement about SGLT (sodium-glucose linked transporter):
- ASGLT1 is present in the intestine and kidneys
- BSGLT1 has low capacity and high affinity
- CSGLT2 inhibitors worsen heart failure✓ Correct answer
- DSGLT2 inhibitors produce weight loss
Q4.The main driving force for water reabsorp on by the proximal tubule epithelium is
- AActive reabsorp on of amino acids and glucose
- BActive reabsorp on of Na+✓ Correct answer
- CActive reabsorp on of water
- DPinocytosis
Q5.Which carrier pump is transporting solutes in thick ascending limb of Henle loop?
- ACarrier pump Na-K-2Cl transporter.✓ Correct answer
- BNaCl- cotransporter
- CNa2+-H+ exchanger
- DNa2+-K+ exchanger
Q6.NaCl sympo is present in which pa of the nephron?
- APCT
- BLoop of Henle
- CDCT✓ Correct answer
- DCollecting duct
Q7.GFR of a diabetic person is 90 ml/min. Blood glucose is 200 mg/dl. Calculate urinary glucose excretion rate if the Tm for glucose is 150 mg/min
- A20 mg/min
- B30 mg/min✓ Correct answer
- C40 mg/min
- D50 mg/min
Q8.which statement is false regarding ascending limb of loop of henle?
- Aits highly permeable to sodium
- Bchannel is Na+K+ 2cl- defect leads to pendred syndrome✓ Correct answer
- Cits permeable to magnesium
- Dits a part of counter current multiplier
Q9.Dilution segment in nephrom is:
- AAscending LOH✓ Correct answer
- BDescending LOH
- CCollecting tubule
- DProximal tubule
Q10.Glucose is reabsorbed in which part?
- AEarly PCT✓ Correct answer
- BHenle loop
- CCollecting duct
- DDistal convoluted tubule
Answer key
Q1: A. Upper pa of PCT; Q2: A. Diabetes insipidus; Q3: C. SGLT2 inhibitors worsen heart failure; Q4: B. Active reabsorp on of Na+; Q5: A. Carrier pump Na-K-2Cl transporter; Q6: C. DCT; Q7: B. 30 mg/min; Q8: B. channel is Na+K+ 2cl- defect leads to pendred syndrome; Q9: A. Ascending LOH; Q10: A. Early PCT.
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- Homeostasis and Cell Function
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- Membrane Transport Mechanisms
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- Body Fluid Compartments
- Blood Composition, Hemostasis and Blood Groups
- Nerve Conduction and Excitability
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