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
Calcium channel blockers in anaesthesia, True is – 
Select and explain. 
A. Needs to be decreased as they augment hypotension & muscle relaxation, B. Withheld because they lower LES pressure, C. Should be given in normal doses as they prevent MI & angina, D. All of the above
C: Should be given in normal doses as they prevent MI & angina
Answer: C: Should be given in normal doses as they prevent MI & angina 
Explanation: All antianginal drugs (including calcium channel blockers) should be continued as such and morning dose should be taken with a sip of water.