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A.P Med > Brain > Flashcards

Brain Flashcards

1
Q

Name the function of nervous system

A

Sensory imput
Integrating information
Controlling muscles
Maintaining homeostasis
Mental activity

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2
Q

What type receives information

A

Afferent

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3
Q

What type sends out actions

A

Efferent

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4
Q

Group of neurons

A

Nerve

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5
Q

What are the 2 divisions of nervous system

A

CNS
PNS

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6
Q

Group of cell body’s

A

Ganglia

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7
Q

PNS controls/ parts

A

All other nerves than brain and spinal cord

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8
Q

CNS controls/parts

A

Brain and spinal cord

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9
Q

Independent network of neurons that control something

A

Pexious

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10
Q

Section Giving information to brain

A

Sensory

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11
Q

Section taking orders from brain

A

Motor

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12
Q

Balance coordination section

A

Kinesthetic

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13
Q

Pain / gut feeling section

A

Visceral

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14
Q

Mostly voluntary skeletal muscle mover

A

Somatic

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15
Q

Involuntary muscle and smooth muscle

A

Autonomic

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16
Q

ANS fight or flight/ heart rate faster

A

Sympathetic

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17
Q

ANS heart rate slower

A

Parasympathetic

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18
Q

ANS controls digestion

A

Enteric

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19
Q

Number of layers of CNS

A

3 layers

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20
Q

Covering over the brain and spinal cord

A

Meninges

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21
Q

Attached layer inside of the skull

A

Dura Mater

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22
Q

Folds in the dura mater that hold the brain in place

A

Rural folds

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23
Q

Space between vertebrae duramater

A

Epidural space

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24
Q

Blood vessels that look like spiderwebs

A

Arachnoid

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25
Q

Inside layer bound to the brain

A

Pia mater

26
Q

Above layer of fluid gives friction

A

Lymph fluid

27
Q

Below layer of fluid for shock absorption

A

Cerebral spinal fluid

28
Q

Bacterial
Viral
Fungal

A

Meningitis

29
Q

Intellectual functions/ thoughts brain section

A

Cerebrum

30
Q

Deep in middle of brain section

A

Diencephalon

31
Q

Influences mood section of brain

A

Thalamus

32
Q

Brain section that maintains homeostasis

A

Hypothalamus

33
Q

Bottom of brain that connects to spinal cord

A

Brain stem

34
Q

Visual reflex section of brain

A

Midbrain

35
Q

Relay between cerebrum and cerebellum section of brain

A

Pons

36
Q

Heart rate and breathing section of brain

A

Medulla oblongata

37
Q

Motor skills and coordination brain section

A

Cerebellum

38
Q

Have nucleus and mitochondria’s

A

Cell body

39
Q

Thin lines that receive information

A

Dendrites

40
Q

Long line that bridges gaps

A

Axon

41
Q

Is myelinated or unmyelinated faster

A

Myelinated

42
Q

The ball at the end a axon that holds the neurotransmitter

A

Synaptic knob

43
Q

Multidendrites

A

Multipolar

44
Q

One dendrite

A

Bipolar

45
Q

No dendrites

A

Unipolar

46
Q

CNS that makes CSF

A

Ependymal

47
Q

Projection that wraps around the brain blood vessels

A

Astrocyte

48
Q

Act like white blood vessels

A

Microglia

49
Q

Makes the myelin in the CNS

A

Oligodendrocyte

50
Q

Makes myelin in the PNS

A

Schwann

51
Q

Supports the cell body’s

A

Satellite

52
Q

Potassium wants

A

Out

53
Q

Sodium wants

A

In

54
Q

Antions are

A

Negative charge

55
Q

Resting membrane potential

A

-70mv

56
Q

Not enough change to get a message through

A

Graded potentials

57
Q

Minimum amount of depolarization to cause a chain reaction

A

Threshold

58
Q

Closer to sending message

A

Depolarization

59
Q

After depolarization restoration

A

Repolarization

60
Q

Time when you can’t start a action

A

Refractory period

A.P Med (4 decks)

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