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: Pharmacology
An old patient Ram Kishore having asthma and glaucoma is to receive a β blocker. Regarding β blocking drugs: 
Select and explain. 
A. Metoprolol blocks β2 receptors selectively, B. Esmolol's pharmacokinetics are compatible with chronic topical use, C. Nadolol lacks β2 blocking action, D. Timolol lacks the local anaesthetic effects of propranolol
D: Timolol lacks the local anaesthetic effects of propranolol
Answer: D: Timolol lacks the local anaesthetic effects of propranolol 
Explanation: None