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Chapter 9/10 > Chapter 9/10 > Flashcards

Chapter 9/10 Flashcards

0
Q

This lines the cavities of the brain in the CNS

A

Ependymal cells

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1
Q

At a synapse, the neuron that is sending the action potential is

A

pre synapthic

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2
Q

The synaptic cleft is the space that a _____ crosses to imitate a response in a post synaptic neuron

A

neurotransmitter

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3
Q

Name 2 characteristics that would increase the speed of nerve transmission

A

Warmer temp
Larger diameters
Has myelin

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4
Q

A neurotransmitter that helps regulate mood is

A

Serotonin

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5
Q

Sac in which the neurotransmitter is stored

A

Vesicles

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6
Q

Substance used for communication at chemical synapses

A

neurotransmitter

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7
Q

A neurotransmitter must cross the _____ to initiate an impulse in a post synaptic neuron

A

Synaptic cleft

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8
Q

Ms is more common in

A

Women

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9
Q

Membrane where inner an outer surfaces have unequal amounts of electrical charges

A

Polarized

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10
Q

Time during which a neuron can’t be stimulated to initiate an impulse

A

Resting period

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11
Q

Ions found in high concentration inside the plasma membrane

A

K+

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12
Q

Ions found in high concentration outside the plasma membrane

A

Na +

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13
Q

The difference in electrical charge between the inside and outside of a plasma membrane

A

Resting potential

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14
Q

The mechanism by which ions are moved through the plasma membrane from lesser to greater concentration

A

Sodium pump

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15
Q

Cranial nerve X main nerve of parasympathetic nervous system ; sense and cont of integral organs

A

Vagus

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16
Q

Cranial nerve I :sense of smell

A

Olfactory

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17
Q

Cranial nerve XII: proriocetion and tongue movement

A

Hypoglassal

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18
Q

Cranial nerve IX: swallowing, taste, sensation from tongue

A

Glossuphahgmal

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19
Q

Cranial nerve V: Chewing, facial sensation

A

Trigeminal

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20
Q

Cranial nerve VI: proriocetion and eyeball movement

A

Abducens

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21
Q

Cranial nerve VII: taste and facial expressions

A

Facial

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22
Q

Cranial nerve III: control of eyes lens and pupil

A

Oculomotor

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23
Q

Cranial nerve VIII: hearing and equilibrium

A

Vestibulochtear / acoustic

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24
Q

Cranial nerve IV: prorioception and eyeball movement

A

Trochlear

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25
Q

Cranial nerve II: vision

A

Optic

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26
Q

Cranial nerve XI: swallowing, head and shoulder movement

A

Accessory

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27
Q

Relative to the human brain, the sheep brain is (larger, smaller) overall it’s olfactory bulbs are (larger, smaller) and its cerebrum is (larger, smaller).

A

Smaller
Larger
Smaller

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28
Q

CSF is formed by ___ and secretion from blood in capillaries called ____; cells that form it are known as____.

A

Filtration, chroidplexuses ependumal cells

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29
Q

Type of impulses relayed and interpreted by the thalamus

A

Sensory and motor

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30
Q

List the functions of the limbic system

A

Basic emotions

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31
Q

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

A

Hydrocephalus

32
Q

Type of reflexes that the corpora quadrigemina is cornered with

A

Visual and auditory

33
Q

At rest the brain consumes about ___ percent of the body’s total oxygen

A

20%

34
Q

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

A

Pons

35
Q

The medulla serves as a conduction pathway for all ascending and descending tracts

A

Motor and sensory

36
Q

Brain center that regulates the heart and diameter of blood vessels

A

Cardiovascular system

37
Q

Movements of your left hard are initiated by motor neurons that originate in the ____ side of your cerebrum

A

Right

38
Q

Brain cavities where cerebrospinal fluid circulates

A

Ventricles

39
Q

Band of white matter that connects the two haves of the cerebrum

A

Corpus callosum

40
Q

The part of your Brian stimulated by your ringing alarm clock

A

Reticular activating system

41
Q

The outer layer of the cerebrum

A

Cortex

42
Q

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

A

Cerebellum

43
Q

The outer layer of the cerebrum is composed of ____ matter

A

Gray

44
Q

Ridges that make up the surface of the cerebrum

A

Gyri

45
Q

Functions of the hypothalamus

A

Smells olfactory
Relay ,control of body temp, regulation of food/fluid intake, pituitary
Sleep

46
Q

A simple, fast, predictable automatic response to help protect the body

A

Reflex arc

47
Q

A cluster of sensory neuron cell bodies

A

Posterior root ganglion

48
Q

Bones of the spine that enclose and protect the spinal cord

A

Vertebrae

49
Q

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

A

Effector

50
Q

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

A

Cauda equina

51
Q

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

A

Pia matter

52
Q

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

A

Receptor

53
Q

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

A

Central Canal

54
Q

Lymphatic fluid filled space between the arachnoid and dura mater

A

Subdural

55
Q

Reflex arc structure that transmits the implied to a muscle or gland

A

Motor neuron

56
Q

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

A

Gray

57
Q

Fat filled space between the vertebrae and dura mater

A

Epidural

58
Q

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

A

Sensory

59
Q

Part of a spinal nerve containing sensory nerve fibers that carry impulses toward the spinal cord

A

Posterior root

60
Q

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

A

Anterior root

61
Q

Though outermost layer of the meninges

A

Dura mater

62
Q

Space between the arachnoid and pia mater ; contains CSF

A

Subarachnoid

63
Q

Filament that anchors the inferior portion of the spinal cord

A

Filum terminal

64
Q

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

A

Integrating center

65
Q

Come shaped tip of the spinal cord

A

Conus medullaris

66
Q

Three connective tissue membranes covering the brain and spinal brain

A

Meninges

67
Q

Tracts or white matter that runs up the down the spinal cord

A

Column

68
Q

Cobweb like middle layer of the meninges

A

Arachnoid

69
Q

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

A

Primary motor area

70
Q

Area in the occipital lobe, permits vision

A

Primary visual area

71
Q

Area in the temporal lobe permits hearing

A

Primary auditory area

72
Q

Cerebral area that controls smell

A

Primary olfactory area

73
Q

Area in the frontal lobe, translates thoughts into speech

A

Motor speech area (brocas)

74
Q

Postcentral gyrus area recipes sensations of pain, touch, pressure and temperature

A

Primary somatosensory area

75
Q

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

A

Common integrative area

76
Q

The color of cerebrospinal fluid

A

Clear/colorless

77
Q

The entire nervous system contains between 1/3 - 2/3 cup of CSF or about ___ ml

A

80-150 ml

78
Q

Functions of cerebrospinal fluid

A

Contains WBC’s, to fight infections
Serves as a shack
Maintains proper chemical
Contains nutrients

Chapter 9/10 (1 decks)

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