An old patient Ram Kishore having asthma and glaucoma is to receive a β blocker. Regarding β blocking drugs:
Metoprolol blocks β2 receptors selectively
Esmolol's pharmacokinetics are compatible with chronic topical use
Nadolol lacks β2 blocking action
Timolol lacks the local anaesthetic effects of propranolol
Timolol lacks the local anaesthetic effects of propranolol