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Physiology > Chapter 9/10 > Flashcards

Chapter 9/10 Flashcards

0
Q

Cluster of sensory neuron cell bodies

A

Posterior root ganglion

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1
Q

Simple, fast, predictable automatic response to help protect the body

A

Reflex arc

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2
Q

Bones of the spine that enclose and protect the spinal cord

A

Vertebrae

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3
Q

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

A

Effector

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4
Q

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

A

Cauda equina

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5
Q

Innermost layer of the meninges that is attached to the brain and spinal cord

A

Pia mater

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6
Q

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

A

Receptor

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7
Q

Opening that runs lengthwise through the spinal cord

CSF circulates through it

A

Central canal

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8
Q

Lymphatic fluid-filled space between the arachnoid and dura mater

A

Subdural space

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9
Q

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

A

Motor neuron

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10
Q

Matter within the spinal cord shaped like an H

A

Gray matter

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11
Q

Fat filled space between the vertebrae and dura mater

A

Epidural space

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12
Q

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

A

Sensory neuron

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13
Q

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

A

Posterior root

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14
Q

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

A

Anterior root

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15
Q

Tough outermost layer of the meninges

A

Dura mater

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16
Q

Space between the arachnoid and pia mater

Contains CSF

A

Subarachnoid space

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17
Q

Filament that anchors the inferior portion of the spinal cord

A

Filumtermial

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18
Q

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

A

Integrating center

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19
Q

Cone shaped tip of the spinal cord

A

Corneus medullaris

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20
Q

3 consecutive tissue membranes covering the brain and spinal cord

A

Meninges

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21
Q

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

A

Columns

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22
Q

Cobweb like middle layer of the meninges

A

Arachnoid

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23
Q

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

A

Primary motor area

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24
Area in occipital lobe, permits vision
Primary visual
25
Area in temporal lobe, permits hearing
Primary auditory
26
Cerebral area that controls smell
Primary olfactory
27
Area in frontal lobe, translates thoughts into speech
Primary brocus
28
Post central gyrus area, receives sensations of pain, touch, pressure, and temperature
Primary somatosensory
29
Cerebral area that integrates general mad special sensations to form a common thought
Common integrative
30
The color of cerebrospinal fluid
Colorless/clear
31
The entire nerve system contains between 1/3-2/3 cup of CSF or about _____ mL
80-150 mL
32
Functions of cerebrospinal fluid
Contains nutrients Shock absorber Contains WBC's to fight infections
33
Main nerve of parasympathetic nervous system; senses and controls organs
Vagus
34
Sense of smell
Olfactory
35
Proprioception and tongue movement
Hypoglossal
36
Swallowing, taste, sensation from tongue
Glossopharyngeal
37
Chewing, facial sensation
Trigeminal
38
Proprioception and eyeball movement
Abducens
39
Taste and facial expressions
Facial
40
Controls eye lenses and pupil
Oculomotor
41
Hearing and equilibrium
Auditory or vestibulocochlear
42
Proprioception and eyeball movement
Trochlear
43
Vision
Optic
44
Swallowing, head and shoulder movement
Accessory
45
Sheep brain is larger or smaller to human brain
Smaller
46
sheep brains olfactory bulbs are larger or smaller compared to humans
Larger
47
Sheep brains cerebrum compared to a humans is larger or smaller
Smaller
48
CSF is formed by _____ and secretion from blood on capillaries called ________ ; cells that form it are known as ______
Filtration Chroid plexus Ependymal cells
49
Type of impulses relayed and interpreted by the thalamus
Sensor/motor
50
Functions of limbic system
Basic emotions, survival behavior, works with cerebrum in the brain
51
Condition that results from excessive accumulation of CSF within the ventricles
Hydrocephalus
52
Type of reflexes that the corpora quadrigemina is concerned with
Visual/auditory
53
At rest, the brain consumes about ____ percent of the body's total oxygen
20%
54
Structure that acts as a bridge connecting the spinal cord and medulla to upper portions of the brain
Pons
55
Medulla serves as conduction pathway for all ascending and descending tracts. What type of impulses are transmitted by its white matter
Motor/sensory
56
Brain center that regulates the heart and diameter of blood vessels
Cardiovascular
57
Movements of your left hand are initiated by motor neurons that originate in the ____ side of your cerebrum
Right
58
Brain cavities where cerebrospinal fluid circulates
Ventricles
59
Band of white matter that connects the two halves of the cerebrum
Corpus callosum
60
Part of the brain stimulated by ringing alarm clock
Reticular activating system
61
Outer layer of cerebrum
Cortex
62
Part of the brain that coordinates walking, balance, and the ability to speak understandably
Cerebellum
63
Outer layer of the cerebrum is composed of what matter
Gray
64
Ridges that make up the surface of the cerebrum
Gyri
65
Functions of the hypothalamus
Olfactory relay Controls body temperature Regulates food and fluid intake

Physiology (12 decks)

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