Posterior Pituitary: ADH, Oxytocin and Diabetes Insipidus
- Previous year questions on Posterior Pituitary: ADH, Oxytocin and Diabetes Insipidus for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Medicine 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.
- 19 live questions in Posterior Pituitary: ADH, Oxytocin and Diabetes Insipidus.
- 3 of 19 questions carry a verified exam year: 2019, 2020.
- Medicine is worth about 33 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.All of the following drugs are useful in nephrogenic diabetes insipidus except
- AAmiloride
- BIndomethacin
- CChlorpropamide✓ Correct answer
- DThiazide diuretics
Q2.Polyuria is defined as?
- A30 ml / Kg/ day
- B40 ml / Kg/ day✓ Correct answer
- C50 ml/ kg / day
- D60 ml/ kg / day
Q3.Aquaporin deficiency cause?
- ANephrogenic diabetes insipidus✓ Correct answer
- BLiddle syndrome
- CBartter syndrome
- DGitelman syndrome
Q4.Impaired function of Aquaporin results in
- ANephrogenic DI✓ Correct answer
- BLiddle syndrome
- CCystic fibrosis
- DBartter syndrome
Q5.impaired function of aquaporin results in
- ANephrogenic DI✓ Correct answer
- BLiddle syndrome
- CCystic fibrosis
- DBartter syndrome
Q6.A 10 year old boy is having polyuria, polydipsia,laboratory data showed (in mEq/lit) – Na– 154 K– 4.5 HCO3– 22 Serum osmolality – 295 Blood urea – 50 Urine specific gravity – 1.005 The likely diagnosis is –
- ADiabetes insipidus✓ Correct answer
- BRenal tubular acidosis
- CBarter's syndrome
- DRecurrent UTI
Q7.Posterior pituitary insufficiency leads to:
- ADiabetes mellitus
- BDiabetes insipidus✓ Correct answer
- CDwarfism
- DCretinism
Q8.In pregnancy, the most common cause of transient- diabetes insipidus is:
- ASevere preeclampsia✓ Correct answer
- BHydramnios
- CMultiple pregnancy
- DIUGR
Q9.Which one of the following is the best stimulus for the release of the Arginine-vasopressin?
- AHypertonicity✓ Correct answer
- BHypokalemia
- CIntravascular volume depletion
- DHypernatremia
Q10.All of the following conditions are known to cause diabetes insipidus, except -
- AMultiple sclerosis✓ Correct answer
- BHead injury
- CHistiocytosis
- DViral encephalitis
Answer key
Q1: C. Chlorpropamide; Q2: B. 40 ml / Kg/ day; Q3: A. Nephrogenic diabetes insipidus; Q4: A. Nephrogenic DI; Q5: A. Nephrogenic DI; Q6: A. Diabetes insipidus; Q7: B. Diabetes insipidus; Q8: A. Severe preeclampsia; Q9: A. Hypertonicity; Q10: A. Multiple sclerosis.
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