AP 4 Flashcards
1
Q
CNS is comprised of
A
brain, spinal cord
2
Q
how many parts of cranial nerves
A
12
3
Q
spinal nerves exit at spinal level via
A
intervertebral foramenae
4
Q
PNS connects the body to
A
CNS
5
Q
Afferent division of PNS picks up info from
A
skin, muscles, joints, viscera
6
Q
efferent division is divided into
A
somatic and automatic nervous system
7
Q
Most abundant, connect neuron to capillary, take up nutrients and deliver them to neuron, form “blood-brain” barrier, assists in spatial learning and memory
A
Astrocytes
8
Q
Line central cavities of brain and spinal cord, form CSF, squamous flat to columnar and often ciliated
A
ependymal cells
9
Q
forms myelin sheath
A
oligodendrocytes
10
Q
Play protective role in CNS, have macrophage capability
A
microglial cells
