Which type(s) of muscle contraction can be regulated by norepinephrine?
A) cardiac only
B) cardiac and skeletal
C) cardiac and smooth
D) cardiac, skeletal and smooth

Question

Quizplus · Accepted Answer

Norepinephrine can regulate contraction in smooth muscles, which includes the smooth muscles in blood vessels, bronchioles, and the digestive system. It does not have a significant effect on skeletal muscles or cardiac muscles.

Which Type(s) of Muscle Contraction Can Be Regulated by Norepinephrine