Nerves Flashcards
1
Q
Postural Reflex is AKA
A
Stretch Reflex
2
Q
What is spasticity?
A
Hyper-Responsive Stretch Reflex
hyperactivity of gamma fibers: release of tonic inhibition of brainstem
3
Q
Where does sympathetic preganglionic cervical ganglion arise in the spinal cord?
A
T1-T8
4
Q
Where are the cell bodies of the preganglionic sympathetic nerves that innervate the head?
A
Intermediolateral horn of spine
T1-T12
5
Q
What kind of NT is Norepinephrine?
A
Post-synaptic
6
Q
Which NT is found in nerves that transfer pain?
A
Substance P (Pain)
7
Q
CNS myelin is formed by?
PNS myelin is formed by?
A
Oligodendrocytes
Schwann cells
8
Q
Absolute refractory period is a result of?
A
Na channel inactivation
9
Q
Which solute affects membrane resting potential?
A
K+
10
Q
NA/K pump is what type of transport?
A
Active transport
