Lectures 1 and 2

Question 1

Astrocytes

Answer 1

Oxygen and nutrients from capillaries to neurons

Question 2

Oligodendrocytes

Answer 2

signals move fast but with limited interchange (freeway)
pancake process over axon
cover long distances (ex brain to spinal cord)

Question 3

microglial cells

Answer 3

tiny

engulf and destroy debris, put it into blood vessels to get taken out

Question 4

coronal plane

Answer 4

front and back

Question 5

sagittal plane

Answer 5

left and right

Question 6

horizontal plane

Answer 6

up and down

Question 7

anterior v posterior

Answer 7

front v back

Question 8

medial v lateral

Answer 8

inner v outer

Question 9

roustral v caudal

Answer 9

toward head v toward tail

Question 10

dorsal v ventral

Answer 10

back v stomach

Question 11

phrenology

Answer 11

gall, could feel bumps on head and claimed it was brain pushing out on skull in areas which shows capacity of brain

Question 12

cluster of neurons in CNS

Answer 12

nucleus

Question 13

cluster of neurons in PNS

Answer 13

ganglion

Question 14

central nervous system

Answer 14

spine and brain

Question 15

peripheral nervous system

Answer 15

cranial nerves, spinal nerves, autonomic nervous system

Question 16

sympathetic vs parasympathetic

Answer 16

sympathetic (fight or flight)

parasympathetic (rest and digest)

Question 17

how many cranial nerves

Answer 17

12

Question 18

spinal nerves

Answer 18

dorsal roots vs ventral roots

Question 19

dorsal roots

Answer 19

toward back, carry information into spinal cord

Question 20

ventral roots

Answer 20

toward stomach, carry motor info from spinal cord to muscles

Question 21

olfactory nerve

Answer 21

smell

Question 22

optic nerve

Answer 22

vision

Question 23

what are the three nerves involved in muscles that move the eye

Answer 23

occularmotor, trochlear, abducens

Question 24

trigeminal nerve

Answer 24

face, sinus, teeth for senses, jaw muscles

Question 25

vestibular cochlear nerve

Answer 25

inner ear, hearing balance

Question 26

facial nerve

Answer 26

tongue senses, soft plate, facial muscle, salivary/tear glands

Question 27

glossopharyngeal nerve

Answer 27

taste and other mouth sensations, throat muscles

Question 28

vagus nerve

Answer 28

information from internal organs and their muscles

Question 29

spinal accessory nerve

Answer 29

neck muscles

Question 30

hypoglossal nerve

Answer 30

tongue muscles