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A&P > Nervous (part 2) > Flashcards

Nervous (part 2) Flashcards

1
Q

What is contained within the central canal of the spinal cord?

A

Cerebrospinal fluid 

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2
Q

The cell bodies or lower motor neurons are located in the

A

Anterior gray horns 

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3
Q

The cell bodies of primary sensory neurons are located in the:

A

Dorsal root ganglia 

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4
Q

Sensory tracts are made of ____ matter and ____.

A

White
Ascend

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5
Q

Dorsal root ganglia region

A

Sensory only

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6
Q

Dorsal root region

A

Sensory only

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7
Q

Ventral root region

A

Motor only

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8
Q

Spinal nerve

A

Motor and sensory

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9
Q

Each individual axon is covered directly by 

A

Endoneurium

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10
Q

C1 dermatome

A

No dermatome

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11
Q

C2 dermatome

A

Back and top of the head 

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12
Q

C7 dermatome

A

Thumb, index, middle fingers, elbow 

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13
Q

C8 dermatome

A

Ring & pinky fingers

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14
Q

T10 dermatome

A

Umbilicus

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15
Q

L4 dermatome

A

Knee

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16
Q

L5 dermatome

A

Plantar surface

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17
Q

The diaphragm is innervated by the ____ plexus

A

Cervical

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18
Q

They sciatic nerve is part of the ____ plexus

A

Sacral

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19
Q

Ulnar innervates

A

Intrinsic hand muscles

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20
Q

Obturator innervates

A

Medial thigh, hip adductors 

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21
Q

Sciatic innervates

A

Posterior thigh, leg, foot 

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22
Q

Phrenic innervates

A

Diaphragm

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23
Q

Femoral innervates

A

Anterior and lateral thigh, quads 

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24
Q

Axillary innervates

A

Shoulder

25
Q

Median innervates

A

Flexor muscles of forearm, thenar muscles, in carpal tunnel 

26
Q

Radial innervates

A

Extensor muscles of forearm

27
Q

Reflex arc in order

A
  1. Sensory receptor
  2. Sensory neuron
  3. Integration center
    A Motor neuron
  4. Effector organ
28
Q

The toughest outer layer of the meninges:

A

Dura mater

29
Q

Name one adaption that makes the capillaries in the blood-brain barrier less permeable than other capillaries

A

It has a thick basement membrane 

30
Q

The ____ space, located between the arachnoid mater and pia mater, ____ contain cerebrospinal fluid.

A

Subarachnoid
Does

31
Q

Cerebrospinal fluid flows in

A

Central canal, subarachnoid space, cerebral ventricles 

32
Q

Cerebrospinal fluid is reabsorbed into the venous bloodstream in:

A

Arachnoid villi

33
Q

Lowest part of the brain stem, responsible for survival functions

A

Medulla oblongata

34
Q

Substantia nigra

A

Supply dopamine to basal ganglia

35
Q

Red nuclei

A

Coordinate movement with cerebellum

36
Q

Inferior colliculi

A

Reflex centers for hearing and startle

37
Q

Superior colliculi

A

Reflex centers for vision 

38
Q

Diffuse gray and white matter involved in sleep-wake cycle and consciousness:

A

Reticular formation

39
Q

Relay station transferring sensory impulses to the cerebral cortex:

A

Thalamus

40
Q

Brain region that’s much larger in humans than other animals

A

Cerebrum

41
Q

Emotional regulation area

A

Limbic system

42
Q

Hormone secreted by the pineal gland to regulate circadian rhythm:

A

Melatonin

43
Q

Frontal lobe function

A

Personality, motor

44
Q

Occipital lobe function

A

Vision

45
Q

Temporal lobe function

A

Hearing and smell 

46
Q

Insular lobe function

A

Taste

47
Q

Parietal lobe function

A

Sensory

48
Q

Broca’s area function

A

Language

49
Q

Postcentral gyrus function

A

Primary somatosensory area

50
Q

Corpus callosum function

A

Connection between cerebral hemispheres 

51
Q

Cerebellum function

A

Proprioception, balance, coordination

52
Q

After the iron rod passed through his skull, Phineas Gage became rude, inconsiderate, moody, less creative, etc. because of damage to which area of the brain?

A

Prefrontal cortex

53
Q

III Oculomotor function

A

Parasympathetic to lens, iris

54
Q

V Trigeminal function

A

Sensory from face 

55
Q

VII Facial function

A

Motor to face, also tears, saliva 

56
Q

VIII Vestibulocochlear function

A

Hearing, balance

57
Q

IX Glossopharyngeal function

A

Taste, swallowing, speech 

58
Q

X Vagus function

A

Parasympathetic to thorax, abdomen

A&P (17 decks)

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