The Nurse Knows That Atropine (Atropair)increases Heart Rate by

The nurse knows that atropine (Atropair) increases heart rate by

A) blocking the beta receptors of the parasympathetic nervous system.
B) directly stimulating the sympathetic nervous system.
C) potentiating the effects of acetylcholine on nicotinic receptors.
D) Blocking the effects of acetylcholine by occupying muscarinic receptors.