<prompt> Timolol can produce which of the following effect in an asthmatic patient?BronchodilationBronchospasmDecreased bronchial secretionsIncreased bronchial secretions  <response>: Timolol is a non-selective Beta blocker 1st generation It is used for treatement of primary open angle glaucoma. It can cause bronchoconstriction by blocking beta 2 receptors paicularly in asthmatics. 