Beta Blockers (Beta-Adrenergic Antagonists) Are Drugs Used to Treat a Variety

Multiple Choice

Beta blockers (beta-adrenergic antagonists) are drugs used to treat a variety of medical conditions (e.g., glaucoma, heart problems, anxiety disorders) . These drugs have what effect on the actions of neurons on their effectors, and in which autonomic motor pathway (parasympathetic, sympathetic) ?

A) decrease, parasympathetic nervous system
B) decrease, sympathetic nervous system
C) increase, parasympathetic nervous system
D) increase, sympathetic nervous system