Antiemetics, Prokinetics and Laxatives
- Previous year questions on Antiemetics, Prokinetics and Laxatives for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Pharmacology 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.
- 42 live questions in Antiemetics, Prokinetics and Laxatives.
- 8 of 42 questions carry a verified exam year: 2017, 2018, 2019, 2020.
- Pharmacology is worth about 20 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.Small amount of atropine is added to diphenoxylate because
- ASuppress vomiting in gastro enteritis
- BIncrease anti motility action
- CBlock side effects of diphenoxylate
- DTo decrease abuse of diphenoxylate✓ Correct answer
Q2.Which of the following is not a prokinetic?
- A5HT4 agonist
- BD2 blocker
- CMacrolides
- DDiphenoxymethane✓ Correct answer
Q3.Alosetron is
- A5HT1 receptor antagonist
- B5HT2 receptor antagonist
- C5HT3 receptor antagonist✓ Correct answer
- DAnalogues of somatostatin
Q4.All the following are bulk-forming laxatives except
- APolycarbophil
- BPsyllium
- CMethylcellulose
- DGlycerin✓ Correct answer
Q5.Levosulpiride acts as antagonist of which central dopamine receptor?
- AD2✓ Correct answer
- BD3
- CD4
- DAll of the above
Q6.Which of the following is a guanylate cyclase agonist used in irritable bowel syndrome?
- ALubiprostine
- BLinaclotide✓ Correct answer
- CTegaserod
- DMethyl naltrexone
Q7.The following adverse drug reaction seen in colonoscopy view is due to
- ACascara✓ Correct answer
- BBisacodyl
- CCastor oil
- DLoperamide
Q8.Cisplatin induced vomiting on 3rd day of treatment DOC
- AAprepitant✓ Correct answer
- BOndansetron
- CMetaclopramide
- DProchlorperazine
Q9.A boy is planning to travel by bus. Which of the following drug can be used to prevent motion sickness in this person?
- APromethazine✓ Correct answer
- BCetrizine
- CLoratidine
- DFexofenadine
Q10.Colonscopy performed on a 25 year old woman with eating disorder showed dark brown to black pigmentary deposit in the lining of the large intestine. Histopathology of biopsy revealed pigment laden macrophages within the lamina propria The woman on probing revealed use of laxatives for the 9 months to lose weight. What could be the probable laxative agent that could have caused these findings?
- ASenna✓ Correct answer
- BSorbitol
- CCastor oil
- DBisacodyl
Answer key
Q1: D. To decrease abuse of diphenoxylate; Q2: D. Diphenoxymethane; Q3: C. 5HT3 receptor antagonist; Q4: D. Glycerin; Q5: A. D2; Q6: B. Linaclotide; Q7: A. Cascara; Q8: A. Aprepitant; Q9: A. Promethazine; Q10: A. Senna.
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