Anti-diuretics is part of the Cardiovascular System section of Pharmacology. Practise 10 exam-style MCQs for NEET PG, FMGE, INI-CET and NEET SS, each with the correct answer and a detailed explanation.
Anti-diuretics MCQs contrast desmopressin with vasopressin in SIADH and diabetes insipidus, plus vaptans such as conivaptan and the management of nocturnal enuresis. A focused high-yield NEET PG set on water balance and aquaresis.
Sample Anti-diuretics MCQs with answers
Sample MCQ #1
A 45-year-old woman with lung cancer has abnormally low serum osmolality and hyponatremia. A drug that increases the formation of dilute urine and is used to treat SIADH is
AAmiloride
BDesmopressin
CMannitol
DTolvaptan
Show Answer & Explanation ▾
✓ Correct Answer: D. Tolvaptan
Retention of water with hyponatremia and inability to form dilute urine in the fully hydrated condition is characteristic of SIADH. Antagonists of ADH (Tolpvaptan) are needed to treat this condition. Reference : Basic & Clinical Pharmacology, Fourteenth Edition By Bertram G. Katzung Pg no. 268
Sample MCQ #2
Desmopressin is preferred over vasopressin because desmopressin -
AMore potent
BMore selective for Vireceptor
CHas little vasconstrictor activity
Da and c
Show Answer & Explanation ▾
✓ Correct Answer: D. a and c
Ans. is 'a' i.e., More potent; 'c' i.e., Has little vasconstrictor activity o Desmopressin is longer acting o Desmopressin is V2 selective —) No V, mediated vasoconstriction. o Desmopressin is 12 times more potent than vasopressin.
Sample MCQ #3
True regarding Conivaptan is -
AVasopressin Antagonist
BV2 selective action
CGiven orally
DAll
Show Answer & Explanation ▾
✓ Correct Answer: A. Vasopressin Antagonist
Ans. is 'a' i.e., Vasopressin Antagonist
Sample MCQ #4
Nocturnal enuresis best t/t is
APositive reinforcement
BPunishment
CBed alarm
DDesmopressin
Show Answer & Explanation ▾
✓ Correct Answer: A. Positive reinforcement
Answer- A. Positive reinforcement Consistent dry bed training with positive reinforcement has a success rate of 85% and bed and pad alarm systems have a success rate of approximately 75% with relapse rate that are lower than those with pharmacotherapy.
Sample MCQ #5
5 year old child bed wetting Rx of choice ?
ANo treatment
BImipramin
CDesmopressin
DMotivational therapy
Show Answer & Explanation ▾
✓ Correct Answer: A. No treatment
Ans. is 'a' i.e., No treatment o No treatment is given to children below 6 years of age because of high spontaneous cure rate. o After 6 years treatment include. t) Behavioral therapy : This is the treatment of choice. it) Pharmacological treatment : It is used when non-pharmacological (behavioral) therapy fails. Desmopressin is the drug of choice. Other drugs used are impramine and oxybutinin.
What you can practise in Anti-diuretics
10 Anti-diuretics MCQs on Cardiovascular System — each with detailed explanations
Previous-year question practice across NEET PG, FMGE, INI-CET and NEET SS
Progress and performance tracking to measure retention
Anti-diuretics MCQs contrast desmopressin with vasopressin in SIADH and diabetes insipidus, plus vaptans such as conivaptan and the management of nocturnal enuresis. A focused high-yield NEET PG set on water balance and aquaresis.
How many Anti-diuretics questions are there, and which exams do they cover?
MedLadder includes 10 curated MCQs for Anti-diuretics under Pharmacology (Cardiovascular System), covering NEET PG, FMGE, INI-CET and NEET SS preparation.
