Neuroanatomy (2)

Question 1

anterior/rostral

Answer 1

upwards (diff for brain)

Question 2

posterior/caudal

Answer 2

downwards (diff for brain)

Question 3

dorsal

Answer 3

towards back (diff for brain)

Question 4

ventral

Answer 4

towards stomach (diff for brain)

Question 5

lateral

Answer 5

towards outside

Question 6

medial

Answer 6

towards middle

Question 7

what is the difference between tracks and nerves

Answer 7

tracks in CNS, nerves in PNS

Question 8

what is the difference between ganglia and nucleus

Answer 8

ganglia: group of neurons in PNS
nucleus: group of neurons in CNS

Question 9

what are the meninges

Answer 9

dura mater, arachnoid layer, pia mater

Question 10

what is cerebrospinal fluid

Answer 10

helps the brain float, in subarachnoid space, made in choroid plexus

Question 11

what is the difference between dorsal and ventral horns/roots

Answer 11

ventral send information (motor)

dorsal receive information (sensory)

Question 12

what is the role of the peripheral somatic system

Answer 12

controls voluntary movements

Question 13

what is the role of the autonomic nervous system

Answer 13

controls involuntary movements

Question 14

what is the difference between the sympathetic and parasympathetic nervous systems

Answer 14

sympathetic: excites
parasympathetic: returns body to normal function

Question 15

how many cranial nerves are there

Answer 15

12

Question 16

how is the brain orgainized

Answer 16

prosencephalon: forebrain
mesencephalon: midbrain
rhombencephalon: hindbrain

Question 17

what are the major regions of the midbrain

Answer 17

tectum, tegmentum, periaqueductal gray