This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: A.N.S., Subject name: Pharmacology
[{'content': 'b blocker/s which should be avoided in glaucoma is/are? \nSelect and explain. \nA. Pindolol, B. Carvedilol, C. Labetelol, D. All the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All the above * Beta blockers are used in the management of glaucoma. But certain ($- blockers with membrane stabilizing (Local anaesthetic) action should be avoided in glaucoma as these drugs possess Na+ channel blocking (local anaesthetic) activity.* Membrane stabilizing (Na+ channel blocking) activity contributes to antiarrhythmic action and should be avoided in glaucoma due to risk of corneal anaesthesia.* Such Drugs are:# Pindolol# Acebutolol# Carvedilol# Betaxolol# Propranolol# Metoprolol# Labetalol *Note: Propranolol and carvedilol have maximum membrane stabilizing (local anaesthetic) action.", 'role': 'assistant'}]