Exercise 17 & 19 — Brain & Spinal Nerves

Question 1

components of Central nervous system

Answer 1

brain & spinal cord

Question 2

components of Peripheral nervous system

Answer 2

cranial & spinal nerves, ganglia, and sensory receptors

Question 3

the _____ portion of the PNS carries impulses to the CNS

Answer 3

sensory

Question 4

the ______ portion of the PNS carries impulses from the CNS

Answer 4

motor

Question 5

the ______ division of the motor portion controls skeletal muscles, while the ____ ______ _____ controls smooth and cardiac muscles and glands

Answer 5

somatic

autonomic nervous system (ANS)

Question 6

During embryonic development, the CNS begins as the ______ ____.

Answer 6

neural tube

Question 7

primary brain vesicles at week 4 of embryonic development

Answer 7

prosencephalon (forebrain) mesencephalon (midbrain) rhombencephalon (hindbrain)

Question 8

proper name for forebrain

Answer 8

prosencephalon

Question 9

proper name for midbrain

Answer 9

mesencephalon

Question 10

proper name for hindbrain

Answer 10

rhombencephalon

Question 11

the cerebrum (cortex, white matter, basal nuclei) and the diencephalon (thalamus, hypothalamus, epithalamus) and the retina arise from the ___________

Answer 11

prosencephalon (forebrain)

Question 12

the brain stem arises from the _________

Answer 12

mesencephalon (midbrain)

Question 13

the brain stem (pons and medulla oblangata) and the cerebellum arise from the _________

Answer 13

rhombencephalon (hindbrain)

Question 14

“forehead” lobe

Answer 14

frontal lobe

Question 15

topmost lobe

Answer 15

parietal lobe

Question 16

backmost lobe

Answer 16

occipital lobe

Question 17

side lobes

Answer 17

temporal lobes

Question 18

wrinkly section at bottom/back of brain

Answer 18

cerebellum

Question 19

bulb between the medulla oblangata and the brain

Answer 19

pons

Question 20

brain stem

Answer 20

medulla oblangata

Question 21

a ridge between two clefts on the surface of the brain

Answer 21

gyrus

Question 22

a ‘crack’ in the gray matter at a cleft on the surface of the brain

Answer 22

sulcus

Question 23

a deep sulcus

Answer 23

fissure

Question 24

outermost portions of the brain

Answer 24

cerebral hemispheres

Question 25

pale bulb within thalamus

Answer 25

interthalamic adhesion

Question 26

pale, flat mass below thalamus — ends in two points that point downward

Answer 26

hypothalamus

Question 27

pale bulb that sits just in front of the pituitary gland

Answer 27

optic chiasma

Question 28

gland extending downward from the hypothalamus

Answer 28

pituitary gland

Question 29

protrusion between the hypothalamus and the pons below

Answer 29

mammillary body

Question 30

bulb attached to the medulla oblangata

Answer 30

pons

Question 31

brain stem

Answer 31

medulla oblongata

Question 32

arched, smooth band between the cerebral hemisphere and the lateral ventricle

Answer 32

corpus callosum

Question 33

"floor" of lateral ventricle

Answer 33

fornix

Question 34

body in the center of the brain just behind the lateral ventricle

Answer 34

thalamus

Question 35

dark gland extending from the back of the thalamus

Answer 35

pineal gland

Question 36

two components of the midbrain

Answer 36

corpora quadrigemina cerebral aqueduct

Question 37

dual bulbs of the midbrain extending behind the cerebral aqueduct

Answer 37

corpora quadrigemina

Question 38

treelike structure of cerebellum

Answer 38

arbor vitae

Question 39

space between the medulla and the cerebellum

Answer 39

fourth ventricle

Question 40

outermost meninge

Answer 40

dura mater

Question 41

middle meninge

Answer 41

arachnoid mater

Question 42

bottommost meninge

Answer 42

pia mater

Question 43

a little CSF is located in the sub\_\_\_\_\_ space

Answer 43

arachnoid

Question 44

meninges are ______ tissue \_\_\_\_\_\_\_\_

Answer 44

connective tissue membranes

Question 45

the ______ mater is double-layered

Answer 45

dura

Question 46

long superior ventricles that arch through the center of the brain

Answer 46

lateral ventricles

Question 47

middle o-shaped ventricle below lateral ventricle

Answer 47

third ventricle

Question 48

thin ventricle running down from third

Answer 48

cerebral aqueduct

Question 49

bottommost ventricle

Answer 49

fourth ventricle

Question 50

frontmost bulbs of cranial nerve system

Answer 50

olfactory bulbs

Question 51

tract descending from olfactory bulbs

Answer 51

olfactory tracts

Question 52

large nerve in center of brain (ventral aspect)

Answer 52

optic nerve

Question 53

body of optic nerve

Answer 53

optic chiasma

Question 54

dual-bulbed thing below the optic nerve

Answer 54

infundibulum

Question 55

Answer 55

Question 56

Answer 56

Question 57

Answer 57

Question 58

Answer 58

Question 59

Answer 59

Question 60

Answer 60

Question 61

Answer 61

Question 62

Answer 62

Question 63

Answer 63

Question 64

Answer 64

Question 65

Answer 65

Question 66

Answer 66

Question 67

marks the barrier between the medulla oblongata and the spinal cord

Answer 67

decussation of pyramids