Acid-Base Handling, Renal Hormones and Micturition
- Previous year questions on Acid-Base Handling, Renal Hormones and Micturition 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.
- 34 live questions in Acid-Base Handling, Renal Hormones and Micturition.
- 1 of 34 questions carries a verified exam year: 2018.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Which of the following is the major site of erythropoietin production during the fetal stage:
- ALiver✓ Correct answer
- BYolk
- CBone
- DSpleen
Q2.Acute metabolic acidosis:
- AHas biphasic effect on K+ excretion
- BDoes not effect K + excretion
- CDecreases urinary K+ excretion✓ Correct answer
- DIncrease urinary K+ excretion
Q3.Source of ammonia in urine
- AGlutaminase✓ Correct answer
- BUrease
- CGlutamate dehydrogenase
- DArginase
Q4.Following cells are responsible for acid secretion in kidney:
- AI cells✓ Correct answer
- BP cells
- CMesangial cell
- DPericytes
Q5.Which of the following is the most effective buffer for pH of 7.4?
- ACarbonic acid buffer with pKA-6.1
- BPhosphate buffer with pKA of 6.9✓ Correct answer
- CGlutamate buffer with pKA-8.7
- DAcetate buffer with pKa 4.5
Q6.HCO3/H2CO3 is the best buffer because it is:
- ApKa near physiological pH
- BIts components can be increased or decreased in the body as needed✓ Correct answer
- CGood acceptor and donor of H+ ions
- DCombination of a weak acid and weak base
Q7.The following hormone is responsible for thirst mechanism during dehydration?
- AADH✓ Correct answer
- BNoradrenaline
- CEpinephrine
- DDopamine
Q8.Which among the following is not formed by kidney?
- AErythropoietin
- BRenin
- CVitamin D
- DAldosterone✓ Correct answer
Q9.Renin is released when:
- ALow phosphate
- BLow sodium✓ Correct answer
- CHigh phosphate
- DHigh sodium
Q10.Dehydration increases the plasma concentration of all the following hormones EXCEPT
- AVasopressin
- BAldosterone
- CAngiotensin II
- DAtrial natriuretic peptide✓ Correct answer
Answer key
Q1: A. Liver; Q2: C. Decreases urinary K+ excretion; Q3: A. Glutaminase; Q4: A. I cells; Q5: B. Phosphate buffer with pKA of 6.9; Q6: B. Its components can be increased or decreased in the body as needed; Q7: A. ADH; Q8: D. Aldosterone; Q9: B. Low sodium; Q10: D. Atrial natriuretic peptide.
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