GI Pharmacology Drug-Mechanism Match

Question

Match the column:

TABLE-I (Drug) TABLE-II (Mechanism/Use)
1. Apomorphine (a) 5HT3 antagonist
2. Ondansetron (b) D2 agonist emetic
3. Metoclopramide (c) Proton pump inhibitor
4. Omeprazole (d) D2 antagonist/prokinetic
5. Sucralfate (e) Gastric protectant, acidic
Select an answer

Match the column:

TABLE-I (Drug) TABLE-II (Mechanism/Use)
1. Apomorphine (a) 5HT3 antagonist
2. Ondansetron (b) D2 agonist emetic
3. Metoclopramide (c) Proton pump inhibitor
4. Omeprazole (d) D2 antagonist/prokinetic
5. Sucralfate (e) Gastric protectant, acidic
  1. 1-b, 2-a, 3-d, 4-c, 5-e — Correct Answer
  2. 1-a, 2-b, 3-d, 4-c, 5-e
  3. 1-b, 2-a, 3-c, 4-d, 5-e
  4. 1-b, 2-d, 3-a, 4-c, 5-e
Explanation:
Correct Answer: 1-b, 2-a, 3-d, 4-c, 5-e
  • Apomorphine (1-b): D2 agonist emetic that acts on CTZ; contraindicated in cats (causes excitement).
  • Ondansetron (2-a): 5HT3 antagonist; potent antiemetic especially for cancer chemotherapy.
  • Metoclopramide (3-d): D2 antagonist + weak 5HT3 antagonist; also a prokinetic that increases upper GI motility and facilitates gastric emptying.
  • Omeprazole (4-c): Proton pump inhibitor; irreversibly inhibits K⁺H⁺-ATPase; must be given as enteric-coated preparation.
  • Sucralfate (5-e): Gastric band aid (complex of sulfated sucrose and aluminum hydroxide); polymerizes at pH <4 and adheres to ulcer base.

📚 About this Topic — Veterinary Pharmacology and Toxicology

This multiple choice question is from Veterinary Pharmacology and Toxicology, Veterinary Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Veterinary Pharmacology and Toxicology to strengthen your preparation.

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