Nervous System

Question 1

meninges

Answer 1

dura mater (outermost) > arachnoid membrane > pia mater

Question 2

CSF

Answer 2

surrounds the brain and spinal cord
ventricles produce CSF ( by specialized vascular tissue called choroid plexus)

Question 3

brainstem

Answer 3

located between the diencephalon and the spinal cord
midbrain > pons > medulla oblongata

Question 4

ventral root

Answer 4

motor axons

Question 5

dorsal root

Answer 5

sensory axons

Question 6

spinal nerves

Answer 6

31 pairs
8 pairs of cervical
12 pairs of thoracic
5 of lumbar
5 of sacral
1 coccygeal

Question 7

dorsal ramus

Answer 7

to posterior tissues

Question 8

ventral ramus

Answer 8

to anterior tissues

Question 9

dermatome

Answer 9

an area of skin that is mainly supplied by a single spinal nerve

Question 10

myotome

Answer 10

a group of muscles that a single spinal nerve innervates

Question 11

sympathetic outflow

Answer 11

thoracolumbar

Question 12

parasympathetic outflow

Answer 12

craniosacral

Question 13

parasympathetic neurons

Answer 13

long preganglionic neuron, short postganglionic neuron

Question 14

sympathetic neuron

Answer 14

short preganglionic neuron, long post ganglionic neuron

Question 15

enteric system

Answer 15

autonomic neurons in the gut wall