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Med phase1 > CNS > Flashcards

CNS Flashcards

1
Q

what is CNS composed of

A

brain and spinal cord

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1
Q

what is PNS composed of

A

peripheral nerves and all cranial nerves except optic

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2
Q

types of glial cells

A

astrocytes
Schwann cells
oligodendrocytes
ependymal cells
microglia

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3
Q

astrocytes function

A

important for forming blood brain barrier

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4
Q

ependymal cells function

A

production and circulation of CSF

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5
Q

microglial cells function

A

immune protection

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6
Q

cells producing myelination in PNS

A

Schwann cells

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7
Q

cells producing myelination in CNS

A

oligodendrocytes

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8
Q

problem of myelination in CNS

A

multiple sclerosis

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9
Q

problems of myelination in PNS

A

Guillain barre syndrome

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10
Q

grey matter

A

more cell bodies, dendrites, axon termini, astrocytes and blood vessels

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11
Q

white matter

A

more axons, oligodendrocytes and blood vessels

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12
Q

cerebellum function

A

balance and coordination

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13
Q

brain stem function

A

heart rate and breathing

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14
Q

what makes up brainstem

A

midbrain
pons
medulla oblongata

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15
Q

function of temporal lobe

A

hearing

16
Q

area of brain involved in speech

A

Broca’s area

17
Q

area of brain involved in language and reading

A

wernicke’s area

18
Q

prefrontal cortex function

A

personality and behaviour

19
Q

primary motor cortex

A

controls voluntary movement

20
Q

primary somatosensory cortex

A

involved in sensation

21
Q

hypothalamus

A

maintains homeostasis

22
Q

thalamus

A

relay centre between spinal cord and cerebral Cortex

23
Q

basal ganglia

A

control of movement

24
Q

limbic system

A

composed of amygdala and hippocampus controls emotions and behaviour

25
Q

what structure splits two hemispheres

A

corpus callosum

26
Q

what level of vertebrae does spinal cord end

A

L1/2

27
Q

region of motor output

A

spinal nerve at ventral side

28
Q

region of sensory input

A

spinal nerve at dorsal side

29
Q

cauda equina

A

anchors spina cord to bottom of vertebral column

30
Q

spinothalamic tract

A

ascending, sensory, pain and temp

31
Q

corticospinal tract

A

descending, motor, voluntary movement

32
Q

layers of meninges

A

dura
arachnoid
pia mater

33
Q

subarachnoid space

A

where CSF flows

34
Q

how is meningitis tested for

A

lumbar puncture between L4 and L5

35
Q

ependymocytes

A

line ventricles and spinal canal

Med phase1 (5 decks)

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