A patient comes to the ER having his quadriceps muscle constantly contracted, you should give him:

Question

Quizplus · Accepted Answer

Norepinephrine is a neurotransmitter that stimulates the sympathetic nervous system, which can cause muscle contraction. An antagonist for norepinephrine would block this effect and relax the muscle. Acetylcholine is a neurotransmitter that stimulates muscle contraction, so an agonist for acetylcholine would also cause muscle contraction.

A Patient Comes to the ER Having His Quadriceps Muscle