This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Drugs which interfere with anesthesia are : 
Select and explain. 
A. Calcium channel blocker nifedipine, B. Beta blockers, C. Aminoglycosides, D. All
D: All
Answer: D: All 
Explanation: A i.e. Calcium channel blockers; B i.e. Beta Blockers; C i.e. Aminoglycoside - Aminoglycoside, Tetracycline & Polypeptide antibioticsQ (Mnemonic ATP) potentiate neuromuscular block - B Blockers & Calcium channel blockerQ may cause Bradycardia & AV block with anesthesia