The division of the peripheral nervous system that brings information toward the central nervous system is the ______
afferent division
What is the effect of parasympathetic preganglionic acetylcholine?
excitation
The portion of the autonomic nervous system that would increase cardiac muscle contraction during a stress response is the
sympathetic
Which of the following is a parasympathetic nervous system function?
a) increase smooth muscle contraction in the digestive tract
b) cause vasodilation in vessels leading to skeletal muscles
c) cause the release of epinephrine from the adrenal medulla
d) cause dilation of the bronchioles
a) increase smooth muscle contraction in the digestive tract
Afferent Devision is also known as ______ devision
Sensory
Efferent Devision is also known as ______
Motor Devision
Afferent/ Sensory Devision transmits impulses to ____
CNS
Efferent/ Motor Devision transmits impulses to ____
PNS
Depolarization: Sodium channels are ____, potassium channels are _____.
Open, closed
Repolarization: Sodium channels are ____, potassium channels are _____.
Inactivated, open
Hyperpolarization: Sodium channels are _____, potassium channels are _____.
Closed, open
Resting State: Sodium channels are ____, potassium channels are _____.
Closed, Closed
*Switch*
Troponin
*barrier*
Tropomyosin