Test Review

Question 0

A cluster of sensory neuron cell bodies

Answer 0

Posterior root ganglion

Question 1

A simple, fast, predictable autonomic response to help protect the body.

Answer 1

Reflex arc

Question 2

Bones of the spine that enclose and protect the spinal cord.

Answer 2

Vertebrate

Question 3

In a reflex arc, the muscle or gland that responds with an action

Answer 3

Effector

Question 4

A group of lumbar, sacral, and coccygeal nerves that branch off the lower end of the spinal cord.

Answer 4

Cauda equina

Question 5

The innermost layer of the meninges that is attached to the brain and spinal cord.

Answer 5

Pia mater

Question 6

Structure that responds to some environmental change and initiates a sensory impulse.

Answer 6

Receptor

Question 7

Opening that runs lengthwise through the spinal cord; CSF circulates through it.

Answer 7

Central canal

Question 8

Lymphatic fluid filled space between the arachnoid and dura mater.

Answer 8

Subdural space

Question 9

Reflex arc structure that transmits the impulse to a muscle or gland.

Answer 9

Motor neuron

Question 10

Matter within the spinal cord shaped like the letter “H”.

Answer 10

Grey matter

Question 11

Fat filled space between the vertebrae and the dura mater

Answer 11

Epidural space

Question 12

Reflex arc structure that passes the impulse from the receptor to the CNS.

Answer 12

Sensory neuron

Question 13

Part of the spinal nerve containing sensory nerve fibers that Cary impulses toward the spinal cord.

Answer 13

Posterior root

Question 14

Part of a spinal nerve containing motor neurons carrying impulses away from the spinal cord.

Answer 14

Anterior root

Question 15

Tough outermost layer of the meninges.

Answer 15

Dura mater

Question 16

Space between the arachnoid and pia mater; contains CSF.

Answer 16

Subarachnoid

Question 17

Filament that anchors the inferior portion of the spinal cord.

Answer 17

Filum terminate

Question 18

Region in the CNS that connects the sensory and the motor portions of the reflex arc.

Answer 18

Integrating center

Question 19

Cone shaped tip of the spinal cord.

Answer 19

Conus medullans

Question 20

Three connective tissue membranes covering the brain and spinal cord.

Answer 20

Meninges

Question 21

Tracts of white matter that run up and down the spinal cord.

Answer 21

Columns

Question 22

Cobweb like middle layer of the meninges.

Answer 22

Arachnoid

Question 23

Area in the precentral gyrus of the frontal lobe, controls specific muscles or groups of muscles.

Answer 23

Primary motor area

Question 24

Area in the occipital lobe, permits vision.

Answer 24

Primary visual area

Question 25

Area in the temporal lobe, permits hearing.

Answer 25

Primary auditory area

Question 26

Cerebral area that controls smell.

Answer 26

Primary olfactory area

Question 27

Area I the frontal lobe, translates thoughts into speech.

Answer 27

Brocha's speech area

Question 28

Post central gyrus area, receives sensations of pain, touch, pressure and temperature.

Answer 28

Somatosensory area

Question 29

Cerebral area that integrates general and special sensations to form a common thought.

Answer 29

Common integrative

Question 30

The color of the cerebrospinal fluid.

Answer 30

Clear and colorless

Question 31

The entire nervous system contains between 1/3-2/3 cup of CSF or about ________ mL.

Answer 31

80-150 mL

Question 32

List functions of cerebrospinal fluid:

Answer 32

Contains nutrients Shock absorber Picks up waste

Question 33

I. Olfactory

Answer 33

Smell

Question 34

II. Optic

Answer 34

Vision

Question 35

III. Oculomotor

Answer 35

Proprioception | Movement of eyelid and eyeball, alters lens for near vision and constricts pupil.

Question 36

IV. Trochlear

Answer 36

Proprioception | Movement of eyeball

Question 37

V. Trigeminal

Answer 37

Touch, pain and temperature of upper body lips jaws and teeth Chewing

Question 38

VI. Abducens

Answer 38

Proprioception | Movement of eyeball

Question 39

VII. Facial

Answer 39

Taste | Facial expressions

Question 40

VIII. Vestibulocochlear

Answer 40

Hearing and equilibrium

Question 41

IX. Glossopharyngeal

Answer 41

Taste and sensations from touch | Swallowing

Question 42

X. Vagus

Answer 42

Main nerve of the parasympathetic system; senses and controls involuntary organs

Question 43

XI. Accessory

Answer 43

Proprioception | Swallowing, head and shoulder movement

Question 44

XII. Hypoglossal

Answer 44

Proprioception | Tongue movement

Question 45

Relative to the human brain the sheep brain is _________ overall, its olfactory bulbs are _________, and it's cerebrum is ________

Answer 45

Smaller Larger Smaller

Question 46

CSF is formed by _______ and secretion from blood in capillaries called _________; cells that form it are known as _______.

Answer 46

Filtration Choroid plexuses Ependymal cells

Question 47

Type of impulses relayed and interpreted by the thalamus.

Answer 47

Sensory

Question 48

List functions of the limbic system.

Answer 48

Emotions | Memory in the cerebrum

Question 49

Condition that results from an excessive accumulation of CSF in the ventricles

Answer 49

Hydrocephalus

Question 50

Type of reflexes that the copra quadrigemina is concerned with

Answer 50

Visual and auditory

Question 51

At rest, the brain consumes about _____ percent of the bodies total oxygen

Answer 51

20%

Question 52

The structure that acts as a bridge connecting the spinal cord and medulla to upper portions of the brain.

Answer 52

Pons

Question 53

The medulla serves as a conduction pathway for all as sending and descending tracts. What type of impulses are transmitted by its white matter.

Answer 53

Motor and sensory

Question 54

Movement of your left hand is imitated by motor neurons that originate in the _______ side of the cerebrum.

Answer 54

Right

Question 55

Brain cavities where cerebrospinal fluid circulates

Answer 55

Ventricles

Question 56

Band of white matter that connects the two halls of the brain

Answer 56

Corpus callosum

Question 57

The part of your brain stimulated by the ringing of an alarm clock

Answer 57

Reticular activating system

Question 58

Outer layer of the cerebrum

Answer 58

Cortex

Question 59

Part of the brain that coordinates walking, balance, and the ability to speak understandably

Answer 59

Cerebellum

Question 60

The outer layer of the cerebrum is composed of ______ matter

Answer 60

Gray

Question 61

Ridges that make up the surface of the cerebrum

Answer 61

Gyri

Question 62

Name the functions of the hypothalamus

Answer 62

``` Control ANS Control pituitary gland Emotional behavior Eating and drinking Body temperature ```