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RadAna > Nervous System > Flashcards

Nervous System Flashcards

1
Q

a disease in which the motor cell bodies in the anterior part of the spinal cord are affected and sometimes destroyed

A

Poliomyelitis

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2
Q

an inflammation of the meninges or the covering the brain and cord

A

Meningitis

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3
Q

an inflammation of the brain

A

Encephalitis

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4
Q

a large head, often due to a block in the holes in the roof of the fourth ventricle with blockages of the CSF

A

Hydrocephalus

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5
Q

absence of brain structure

A

Anencephaly

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6
Q

what is the other term of parasympathetic

A

Cranio-Sacral Nervous System

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7
Q

supplies nerve fibers to many of the same structures as the sympathetic, particularly the Viscera.

A

parasympathetic or cranio-sacral nervous system

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8
Q

these fibers produced opposite reactions to those induced by stimulation of the sympathetic fibers

A

parasympathetic or cranio-sacral nervous system

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9
Q

have their centers in the thoracic and lumbar regions in the cord

A

sympathetic

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10
Q

a series of ganglia or groups of cell bodies that lie on each side of the vertebral column from the skull to the coccyx

A

Sympathetic Ganglia

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11
Q

are the chains of nerve fibers connecting these ganglia

A

Sympathetic Trunks

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12
Q

lie in the lateral parts of the thoracic and lumbar spinal cord

A

centers for sympathetic system

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13
Q

are axons from these centers that pass out with the spinal nerves to reach the sympathetic ganglia

A

Pre-ganglionic Fibers

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14
Q

are axons which pass from the sympathetic ganglia

A

post-ganglionic fibers

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15
Q

are the three large plexuses of nerve fibers

A
  1. ardiac above the heart
  2. celiac behind the stomach where celiac artery begins
  3. hypogastric in the lower abdomen
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16
Q

fibers pass with blood vessels tot he organs supplied

A

Plexus / Plexuses

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17
Q

controls the contraction and dilatation of hollow organs having involuntary muscles in their walls

A

Autonomic Nervous System

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18
Q

for contraction and dilatation

A

Pupils

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19
Q

digestive duct, bile duct, and gall bladder, uterus and uterine tubes, etc

A

Hollow Organs

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20
Q

is considered separate as it is independent of cerebral control

A

Autonomic Nervous System

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21
Q

it has centers (group of cell bodies) in the midbrain, medulla and in the dorsal lumbar which controls the activity of the structure

A

Autonomic Nervous System

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22
Q

Ventricles are also known

A

Cavities of the Brain

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23
Q

what are the 4 small cavities within the brain

A

right and
left lateral ventricles
third ventricle
fourth ventricle

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24
Q

are two cavities, one on each side of the cerebral hemisphere and lies under the Corpus Callosum

A

(R) and (L) Lateral Ventricle

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25
Q

lies in the midline of the forebrain at a lower level above the Sella Turcica

A

Third Ventricle

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26
Q

has a narrow channel that passes down and back to connect with the fourth ventricle

A

Sella Turcica

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27
Q

lies in the Hindbrain with the Pond and upper Medulla in front of the Cerebellum

A

Fourth Ventricle

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28
Q

are the openings in the roof thin surface of the cerebellum that communicate with the subarachnoid space

A

Foramina of Luschka and Magendie

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29
Q

are the networks of veins int he root of each ventricles and may become calcified

A

Choroid Plexus

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30
Q

the thin lining membrane of the ventricle secretes CSF

A

Choroid Plexus

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31
Q

CSF is

A

Cerebrospinal Fluid

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32
Q

is a clear, colorless liquid formed from the blood in the choroid plexus and secreted i to the ventricles

A

Cerebrospinal Fluid (CSF)

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33
Q

olfactory sensory

A

nose

34
Q

optic sensory

A

eye

35
Q

oculomotor motor

A

all eye

36
Q

are the covering of the brains and spinal cord

A

Meninges

37
Q

what are the three layer of Meninges

A

pia mater
arachnoid
dura mater

38
Q

is the inner covering and is closely applied tot he outer surface of the brain and cord

A

Pia Mater

39
Q

is the middle layer which does not dip doen i to the small fissures and are attached tot he pia mater by webs of tissue alone

A

Arachnoid

40
Q

is rhe space between the pia mater and the arachnoid membrane where the CSF circulates

A

Subarachnoid space

41
Q

is the tough other membrane forming the outer covering of the brain and spinal cord

A

Dura Mater

42
Q

therefore continuous with a similar space in the spinal cord

A

Subarachnoid

43
Q

may circulate from this space overlying the brain down to the same space in the cord

A

Cerebro-spinal fluid

44
Q

what are the fissures of the cerebral hemisphere

A

longitudinal fissure
central fissure
lateral fissure
transverse fissure

45
Q

is a deep fissure or groove that lies under the sagittal suture of the skull

A

Longitudinal Fissure

46
Q

lies between the frontal and parietal lobes on both ides

A

Central Fissure

47
Q

lies between the frontal and parietal lobes above and below the temporal lobe

A

Lateral Fissure

48
Q

lies between the two occipital lobes a d the cerebellum below

A

Transverse Fissure

49
Q

forms a small part of the brain that lies on the under surface and rest upon the sphenoid bone

A

Midbrain

50
Q

which is seen on it’s undersurface and are composed of nerve fibers

A

Cerebral Peduncles

51
Q

are four additional prominences on the upper surface of the midbrain

A

quadrigeminal bodies

52
Q

is the most caudal of the 3 primary brain vesicles

A

Hindbrain

53
Q

lies below the midbrain, in front of the cerebellum and above the medulla
• ½

A

Pons

54
Q

is much larger and occupies the posterior cranial fossa

A

Cerebellum

55
Q

lies below the pons just above the foramen magnum

A

Medulla Oblongata

56
Q

there are 12 pairs of ___ having their enters in rhe midbrain, pons or medulla oblongata and are given off directly from the brain

A

Cranial Nerves

57
Q

they pass out of the skull through the foramina to end in the various structures of the head and neck

A

Cranial Nerves

58
Q

there are 31 pairs of ___ leaving the spinal cord

A

Spinal Nerves

59
Q

passes out through an intervertebral foramen at each level on both sides

A

Peripheral Nerves

60
Q

are composed of sensory fibers

A

Dorsal / Posterior Root

61
Q

carries motor fibers

A

Anterior Root

62
Q

is structure at the outer end of an axon or dendron

A

End Organ

63
Q

is a complete circuits consisting of a sensory neuron, a connecting neuron and a motor neuron

A

Reflex Arc

64
Q

a sensory neuron carries nerve impulses of pain or other sensation tot he spinal cord

A

Reflex Act

65
Q

is a group of a cell bodies outside of the brain or spinal cord

A

Ganglion

66
Q

is a group of nerve cell bodies inside of the brain or spinal cord

A

Nucleus

67
Q

is a group of nerve cells concerned with some specific function

A

Center

68
Q

a network of cell processes

A

Plexus

69
Q

is the unit structure of the nervous system and consist of a cell body

A

neuron or nerve cell

70
Q

which carry nerve impulses towards the cell body

A

Dendrite

71
Q

which carry impulses away from the cell body

A

Axon

72
Q

is a nerve cell that conducts impulses towards or inti the spinal cord to the brain

A

Sensory Neuron or Afferent Neuron

73
Q

carries impulses from the brain down tot he spinal cord

A

Motor Neuron or Efferent Neuron

74
Q

is the point of contacts of dendron of one neuron with axon of another neuron

A

Synapse

75
Q

fibers pass across from one hemisphere to the other in the inferior part below the fissure to form ____

A

Corpus Callosum

76
Q

a fold of dura mater the outer brain covering called ___

A

Falx Cerebri

77
Q

it also thrown into ridges called ____ or ____ which are grooves or hollows between these ridges called ___

A

GYRI
CONVOLUTIONS
Fissure or Sulci

78
Q

lies deep in the brain substance

A

Insula

79
Q

lies under the occipital bone

A

occipital lobe

80
Q

lies under the temporal bone

A

Temporal lobe

81
Q

lies under the parietal bone

A

Parietal Lobe

82
Q

lies deep to the frontal bone on each side

A

Frontal Lobe

RadAna (13 decks)

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