Final Test Review

Front 1

True or False

The central nervous system includes the brain, spinal cord, and autonomic nerves

Back 1

False

Front 2

True or False

The meninges are protective coverings, continuious around the brain & spinal cord

Back 2

True

Front 3

True or False

For most people, the speech center is found in the left hemisphere

Back 3

True

Front 4

True or False

The four large, fluid-filled spaces in the brain are called ventricles

Back 4

True

Front 5

True or False

Each spinal nerve attaches to the spinal cord by means of 2 short roots--a ventral root and a dorsal root

Back 5

True

Front 6

The part of the brain that can directly influence or inhibit the relase of hormones from the pitutiary is the:
a. hypothalamus
b. thalamus
c. medulla

Back 6

a. hypothalamus

Front 7

Which of the following is a correct statement?
a. There are 7 cervical nerve pairs
b. there are 11 thoracic nerve pairs
c. there are 5 lumbar nerve pairs
d. all of the above are correct statements

Back 7

c. there are 5 lumbar nerve pairs

Front 8

The spinal ganglion can be found on the:
a. dorsal nerve root of the spinal nerve
b. dorsal ramus of the spinal nerve
c. ventral nerve root of the spinal nerve
d. ventral ramus of the spinal nerve

Back 8

a. dorsal nerve root of the spinal nerve

Front 9

The innnermost layer of the meninges is the:
a. pia mater
b. arachnoid membrane
c. dura mater

Back 9

a. pia mater

Front 10

There are __ pairs of spinal nerves

Back 10

31

Front 11

There are __ pairs of cervial nerves

Back 11

8

Front 12

There are __ pairs of thoracic nerves

Back 12

12

Front 13

There are __ pairs of lumbar nerves

Back 13

5

Front 14

There are __ pairs of sacral nerves

Back 14

5

Front 15

There is __ pair of coccygeal nerves

Back 15

1

Front 16

The ventral (anterior) root of a spinal nerve includes ____ fibers
a. sensory
b. motor

Back 16

b. motor

Front 17

The dorsal (posterior) root of a spinal nerve includes _____ fibers
a. sensory
b. motor

Back 17

a. sensory

Front 18

After each spinal nerve emerges from the spinal cavity it forms several large branches called ______

Back 18

spinal nerve rami

Front 19

autonomic motor fibers from the _______ ramus, heading toward a ganglion of the symphatic division

Back 19

ventral

Front 20

In the _______ ramus, somatic motor & sensory fibers to several smaller nerves, these smaller nerves innervate the muscles and ski of the posterior surface of head, neck, & trunk

Back 20

dorsal

Front 21

The _______ ramus is a combination of the ventral and dorsal into a ______ ramus which extends to the extremeties

Back 21

symphatetic

Front 22

The ventral rami of most spinal nerves (except T1-T12) subdivide to form complex networks called a ____. (braided network of several different rami

Back 22

plexus

Front 23

5 kinds of plexus are:

Back 23

cervical, brachial, lumbar, sacral, coccygeal

Front 24

____ plexus: C1-C4 plus part of C5 & cranial nerves XI & XII (major nerve pherenic nerve, innervates the diaphram)

Back 24

Cervical

Front 25

______ plexus, C5-T1 (innervates lower shoulder and all of arm)

Back 25

brachial

Front 26

____ plexus, L1-L4 and innervates thigh and leg

Back 26

lumbar

Front 27

____ plexus, L5-S4, innervates thigh and leg

Back 27

Sacral

Front 28

_____ plexus, S5 & part of S4 with the coccygeal nerve, (innervates the floor of the pelvic cavity)

Back 28

coccygeal

Front 29

each skin surface area supplied by senory fibers of a given spinal nerve is called a _______ (dorsal root)

Back 29

dermatome

Front 30

a skeletal muscle or group of muscles that receives motor axons from a given spinal nerve (ventral root)

Back 30

myotome

Front 31

3 types of axons in a cranial nerve

Back 31

sensory, motor, mixed

Front 32

CN I: sence of smell

Back 32

olfactory nerve

Front 33

CN II: vision, enters the skull at the optic foramen

Back 33

optic nerve

Front 34

CN III: eye movements, regulation of size of pupil, (near vision), enters the skull via the superior orbital fissure

Back 34

Oculomotor nerve

Front 35

CN IV: eye movements (enters at the superior orbital fissure)

Back 35

Trochlear nerve

Front 36

CN V: sensations of head and face, chewing, teeth, movements, (enters via the foramen ovale)

Back 36

Trigeminal nerve

Front 37

CN VI: abduction of the eye

Back 37

abducens nerve

Front 38

CN VII: taste buds on anterior 2/3 of tongue. facial expresssions, secretion of saliva & tears

Back 38

facial nerve

Front 39

CN VIII: balance, hearing

Back 39

vestibulocochlear nerve

Front 40

CN IX: taste buds of posterior 1/3 of tongue, swallowing, secretion of saliva, aid in B.P. & respiration

Back 40

glossopharyngeal nerve

Front 41

CN X: voice production

Back 41

vagus nerve

Front 42

CN XI: trapezius & sternocleidomastoid

Back 42

Accessory nerve

Front 43

CN XII: tongue muscles

Back 43

hypoglossal nerve

Front 44

layers of the meninges of the brain & spinal cord (superficial to deep)

Back 44

dura mater, arachnoid membrane, pia mater

Front 45

projects downward into the longitidual fissure to for a kind of partition between the two cerebral hemispheres

Back 45

falx cerebri

Front 46

dura mater: seperates the halves of the cerebellum

Back 46

falx cerebelli

Front 47

dura mater: seperates the cerebellum from the cerebrum

Back 47

tentorium cerebelli

Front 48

thin, web-like inner layer of the meninges

Back 48

arachnoid mater

Front 49

transparent meninge layer attached to the brain & spinal cord

Back 49

pia mater

Front 50

space immediately outside the dura mater but inside the bony coverings of the brain & spinal cord

Back 50

epidural space

Front 51

space under the dura, between the dura and the mater

Back 51

subdural space

Front 52

space under the arachnoid and outside the pia mater (contains significant amount of cerebrospinal fluid)

Back 52

subarachnoid space

Front 53

In this plexus fluid & blood become seperated (they are capallaries that project from the pia mater into the lateral ventricles)

Back 53

choroid plexus

Front 54

clear, make 1/2 liter per day, forms from blood plasma, regulates Ca+ & K ions in the CNS and takes waste to the blood, shock absorber, delivers nutrients to NS cells

Back 54

cerebrospinal fluid

Front 55

Gets sensory info from muscles, skin, & viscera enters the _____ via the dorsal roots and synapse in the spinal gray mater

Back 55

spinal cord

Front 56

ventral roots carry info out of the spinal cord (motor) (what kind of tract)

Back 56

decending tracts

Front 57

dura mater: seperates the halves of the cerebellum

Back 57

falx cerebelli

Front 58

dura mater: seperates the cerebellum from the cerebrum

Back 58

tentorium cerebelli

Front 59

thin, web-like inner layer of the meninges

Back 59

arachnoid mater

Front 60

transparent meninge layer attached to the brain & spinal cord

Back 60

pia mater

Front 61

space immediately outside the dura mater but inside the bony coverings of the brain & spinal cord

Back 61

epidural space

Front 62

space under the dura, between the dura and the mater

Back 62

subdural space

Front 63

space under the arachnoid and outside the pia mater (contains significant amount of cerebrospinal fluid)

Back 63

subarachnoid space

Front 64

In this plexus fluid & blood become seperated (they are capallaries that project from the pia mater into the lateral ventricles)

Back 64

choroid plexus

Front 65

clear, make 1/2 liter per day, forms from blood plasma, regulates Ca+ & K ions in the CNS and takes waste to the blood, shock absorber, delivers nutrients to NS cells

Back 65

cerebrospinal fluid

Front 66

Gets sensory info from muscles, skin, & viscera enters the _____ via the dorsal roots and synapse in the spinal gray mater

Back 66

spinal cord

Front 67

ventral roots carry info out of the spinal cord (motor) (what kind of tract)

Back 67

decending tracts