Nerves

Question 1

central nervous system

Answer 1

brain, spinal cord, brainstem

Question 2

peripheral nervous system

Answer 2

all nerves outside of the CNS

Question 3

somatic nervous system

Answer 3

controls all voluntary muscle contraction and skin sensation

Question 4

automatic nervous system

Answer 4

the involuntary muscle contraction. sympathetic = fight/flight parasympathetic = rest and digest

Question 5

Axon

Answer 5

long, slender projection of a single nerve cell

Question 6

myelin

Answer 6

fatty sheath covering axons allowing for efficient conduction of impulses

Question 7

synapse

Answer 7

where one nerve meets another

Question 8

ganglion

Answer 8

a mass of cell bodies outside of the cns

Question 9

plexus

Answer 9

network of nerves

Question 10

center

Answer 10

a group of neuron cell bodies within the cns sharing a common function

Question 11

tract

Answer 11

a bundle of axons within the cns sharing a common origin, destination, and function

Question 12

column

Answer 12

a group of tracts found within a specific region of the spinal cord

Question 13

epineurium

Answer 13

covers many fascicles or entire nerves

Question 14

perineurium

Answer 14

covers a bundle of axons

Question 15

endoneurium

Answer 15

covers a single axon

Question 16

What are the 12 Cranial Nerves

Answer 16

Olfactory CN I

Optic CN II

Oculomotor CN III

Trochlear CN IV

Trigeminal CN V

Abducens CN VI

Facial CN VII

Vestibulocochlear CN VIII

Glossopharyngeal CN IX

Vagus CN X

Accessory CN XI

hypoglossal CN XII