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Chapter 9/10 > Chapter 9/10 > Flashcards

Chapter 9/10 Flashcards

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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
Cranial nerve IV: prorioception and eyeball movement
Trochlear
25
Cranial nerve II: vision
Optic
26
Cranial nerve XI: swallowing, head and shoulder movement
Accessory
27
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).
Smaller Larger Smaller
28
CSF is formed by ___ and secretion from blood in capillaries called ____; cells that form it are known as____.
Filtration, chroidplexuses ependumal cells
29
Type of impulses relayed and interpreted by the thalamus
Sensory and motor
30
List the functions of the limbic system
Basic emotions
31
Condition that results from an excessive accumulation of CSF within the ventricles
Hydrocephalus
32
Type of reflexes that the corpora quadrigemina is cornered with
Visual and auditory
33
At rest the brain consumes about ___ percent of the body's total oxygen
20%
34
The structure that acts as bridge connecting that spinal cord and medulla to upper portions of the brain
Pons
35
The medulla serves as a conduction pathway for all ascending and descending tracts
Motor and sensory
36
Brain center that regulates the heart and diameter of blood vessels
Cardiovascular system
37
Movements of your left hard are initiated by motor neurons that originate in the ____ side of your cerebrum
Right
38
Brain cavities where cerebrospinal fluid circulates
Ventricles
39
Band of white matter that connects the two haves of the cerebrum
Corpus callosum
40
The part of your Brian stimulated by your ringing alarm clock
Reticular activating system
41
The outer layer of the cerebrum
Cortex
42
Part of the brain that coordination walking, balance, and the ability to speak understandably
Cerebellum
43
The outer layer of the cerebrum is composed of ____ matter
Gray
44
Ridges that make up the surface of the cerebrum
Gyri
45
Functions of the hypothalamus
Smells olfactory Relay ,control of body temp, regulation of food/fluid intake, pituitary Sleep
46
A simple, fast, predictable automatic response to help protect the body
Reflex arc
47
A cluster of sensory neuron cell bodies
Posterior root ganglion
48
Bones of the spine that enclose and protect the spinal cord
Vertebrae
49
In a reflex arc the muscle or gland that responds with an action
Effector
50
A group of lumbar, sacral, and coccygeal nerves that branch off the lower end of the spinal cord
Cauda equina
51
The innermost layer of the meanings that is attached to the brain and spinal cord
Pia matter
52
Structure that responds to some environmental change and initiates a sensory impulse
Receptor
53
Opening that runs lengthwise through the spinal cord; CSF circulates through it.
Central Canal
54
Lymphatic fluid filled space between the arachnoid and dura mater
Subdural
55
Reflex arc structure that transmits the implied to a muscle or gland
Motor neuron
56
Matter within the spinal cord shaped like the letter "H"
Gray
57
Fat filled space between the vertebrae and dura mater
Epidural
58
Reflex arc structure that passes the impulse from the receptor to the CNS
Sensory
59
Part of a spinal nerve containing sensory nerve fibers that carry impulses toward the spinal cord
Posterior root
60
Part of a spinal nerve containing motor neurons carrying impulses away from the spinal cord
Anterior root
61
Though outermost layer of the meninges
Dura mater
62
Space between the arachnoid and pia mater ; contains CSF
Subarachnoid
63
Filament that anchors the inferior portion of the spinal cord
Filum terminal
64
Region in the CNS that connects the sensory and motor portions of the reflex arc
Integrating center
65
Come shaped tip of the spinal cord
Conus medullaris
66
Three connective tissue membranes covering the brain and spinal brain
Meninges
67
Tracts or white matter that runs up the down the spinal cord
Column
68
Cobweb like middle layer of the meninges
Arachnoid
69
Area in the precentral gyrus of the frontal lobe, controls specific muscles or groups of muscles
Primary motor area
70
Area in the occipital lobe, permits vision
Primary visual area
71
Area in the temporal lobe permits hearing
Primary auditory area
72
Cerebral area that controls smell
Primary olfactory area
73
Area in the frontal lobe, translates thoughts into speech
Motor speech area (brocas)
74
Postcentral gyrus area recipes sensations of pain, touch, pressure and temperature
Primary somatosensory area
75
Cerebral area that integrates general and special sensations to form a common thought
Common integrative area
76
The color of cerebrospinal fluid
Clear/colorless
77
The entire nervous system contains between 1/3 - 2/3 cup of CSF or about ___ ml
80-150 ml
78
Functions of cerebrospinal fluid
Contains WBC's, to fight infections Serves as a shack Maintains proper chemical Contains nutrients

Chapter 9/10 (1 decks)

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