ANS Flashcards
1
Q
Alpha receptor are excitatory or inhibitory?
A
Excitatory
2
Q
Post junctional a1 adrenergic receptors cause ____ in what locations?
A
Contraction and vasoconstriction. Skin arterioles, mucosa, viscera, kidneys.
3
Q
Pre junctional a2 adrenergic receptors inhibit ___ and are found where?
A
Release of NE. Post synaptic endings in the CNS. Decreases sympathetic tone.
4
Q
B receptors exhibit inhibitory or excitatory effects?
A
Inhibitory. Except for some on the heart.
5
Q
B1 receptors are found where and do what?
A
Heart, increase force of contraction.
6
Q
What cranial nerves have parasympathetic activity?
A
III, VII, IX, X
