Free Central Nervous System Drugs MCQs with Answers
107 Central Nervous System Drugs MCQs from Pharmacology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Dexamethasone
- B. Beclomethasone
- C. Budesonide
- D. Fluticasone
Explanation: Beclomethasone, budesonide and fluticasone are standard inhaled corticosteroids for airway disease.
Correct answer: Dexamethasone- A. Propofol
- B. Sevofluorane
- C. Naloxane
- D. Flumizenil
Explanation: Propofol is a short-acting intravenous general anaesthetic used for induction and maintenance of anaesthesia.
Correct answer: Propofol- A. Miosis
- B. Yawning
- C. Lacrimation
- D. Diarrhoea
Explanation: Opioid withdrawal causes autonomic overactivity with mydriasis, yawning, lacrimation, sweating, abdominal cramps, and diarrhoea.
Correct answer: Miosis- A. D-tubocuraine
- B. Succinyl choline
- C. Pancuronium
- D. Gallamine
Explanation: Succinylcholine is an ultra-short-acting depolarizing neuromuscular blocker with onset usually within 30–60 seconds.
Correct answer: Succinyl choline- A. Intravenous anaesthetic agent
- B. Non-depolarizing muscle relaxant
- C. Short-acting narcotic
- D. None of the above
Explanation: Succinylcholine is a depolarizing neuromuscular muscle relaxant, whereas the listed choices do not include that category.
Correct answer: None of the above- A. Pancuronium
- B. Rocuronium
- C. Vecuronium
- D. Atracurium
Explanation: Pancuronium has significant vagolytic effects and can produce tachycardia and cardiovascular stimulation, making it undesirable in this…
Correct answer: Pancuronium- A. Muscarinic acetylcholine receptors
- B. Serotonergic receptors
- C. Dopaminergic receptors
- D. GABA receptors
Explanation: Many antidepressants, especially tricyclics, cause dry mouth by blocking muscarinic acetylcholine receptors and reducing salivary…
Correct answer: Muscarinic acetylcholine receptors