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Lab & Surgical procedures > Nervous System > Flashcards

Nervous System Flashcards

1
Q

The Nervous System consists of :

A
  • brain
  • spinal cords
  • nerves
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2
Q

Functions of the Nervous System :

A
  • collecting
  • processing
  • directing
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3
Q

Neur/o

A

neuron

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4
Q

cererbr/o

A

cerebrum

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5
Q

largest part of the brain

A

cerebrum

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6
Q

crani/o

A

cranium

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7
Q

encephal/o

A

brain

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8
Q

Encephalopathy :

A

disease of the brain

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9
Q

3 layers :

A
  • dura mater
  • arachnoid mater
  • pia mater
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10
Q

“tough mother” toughest layer

A

dura mater

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11
Q

“spider” thin layer

A

arachnoid mater

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12
Q

“very fragile and delicate layer

A

pia mater

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13
Q

mening/o

A

Meninges

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14
Q

what is another name for afferent nerves ?

A

sensory nerves

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15
Q

what is another name for efferent nerves ?

A

motor nerves

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16
Q

3 layers of the brain and spinal cord.

  • The bony vertebrae surrounding the spinal cord protect it, along with the coating of the CNS.
A

Meninges

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17
Q

CNS :

A

central nervous system

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18
Q

what are the 2 main parts of the CNS ?

A
  • brain
  • spinal cord
19
Q

PNS :

A

peripheral nervous system

20
Q

little part of your brain

A

Cerebellum

21
Q

nerve cell.
- composed of a cell body, dendrites, and an axon.

A

Neuron

22
Q

S.A.M.E

A
  • sensory
  • afferent
  • motor
  • efferent
23
Q

neurons that connect to brain regions.
(not direct motor neurons or sensory neurons)

A

Interneurons

24
Q

A protective insulation that covers the axons and helps with the transmission of nerve impulses.

A

Myelin sheath

25
Q

May cause visual, sensory, motor, or verbal disturbances.

  • Examples : hearing noises, difficulty speaking, vision loss, and jerking.
A

Aura

26
Q

The spinal cord injury affects some or all of the trunk, legs, and pelvic organs.

A

Paraplegia

27
Q

The spinal cord injury affects the arms, hands, trunk, legs, and pelvic organs

A

Quadriplegia

28
Q

one-sided paralysis

A

Hemiplegia

29
Q

A chemical that helps a nerve cell communicate with another nerve cell or muscle.

A

Neurotransmitter

30
Q

Grooves or depressions on the surface of the brain between the gyri.

A

Sulcus

31
Q

Folds or convolutions on the surface of the cerebral hemisphere, which increase the gray matter surface area.

A

Gyrus

32
Q

memory loss

A

Amnesia

33
Q

The most serious type because the spinal canal is open along several vertebrae.

A

Myelomeningocele

34
Q

An abnormal accumulation of cerebrospinal fluid that causes enlargement of the skull and compression of the brain.

A

Hydrocephalus

35
Q

A state of deep, often prolonged unconsciousness, usually the result of a head injury, neurologic disease, intoxication, or metabolic abnormalities.

A

coma

36
Q

A type of brain injury resulting from a hit to the head or body that causes the brain to move rapidly back and forth.

A

Concussion

37
Q

scattered areas of bleeding on the surface of the brain, most commonly along the undersurface and poles of the frontal and temporal lobes

A

Cerebral contusion

38
Q

Used to see how the blood flows through the brain.

A

Cerebral angiography

39
Q

EEG

A

Electroencephalography

  • Used to record the brain wave activity of a patient.
40
Q

A nerve response test that uses electrodes, which are placed on the scalp to measure brain reaction to a stimulus.

  • used to measure a pt action potential
A

Evoked potential test

41
Q

LP

A

lumbar puncture
(spinal tap)

42
Q

The act of sticking to something.

A

Adherence

43
Q

self-propagating wave of electrical impulse that travels along the surface of a neuron membrane.

A

action potential

44
Q

chronic seizures

A

epilepsy

Lab & Surgical procedures (8 decks)

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