brain Flashcards

1
Q

highly vascularized layer close to brain is

A

pia mater

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2
Q

the web like layer of the brain meninges is

A

arachnoid

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3
Q

sub-arachnoid space is filled with

A

cerebro-spinal fluid (csf)

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4
Q

the cerebral hemispheres are connected by

A

tract of nerve fibres called the corpus callosum

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5
Q

the cerebral cortex is made of

A

grey matter (cytons and dendrites)

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6
Q

the cerebral medulla is made of

A

white matter (axons)

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7
Q

the cerebral cortex includes

A

sensory, association, motor areas

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8
Q

olfactory and auditory areas are in the

A

temporal

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9
Q

gustatory and somatosensory areas in

A

parietal

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10
Q

visual areas in

A

occipital

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11
Q

association areas are involved with

A

memory, communication, learning

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12
Q

_____ converts thoughts into speech

A

broca’s speech motor area

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13
Q

motor areas are located in

A

frontal lobe

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14
Q

______ is the center for learning, communication, memory

A

wernicke’s speech association area

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15
Q

_____ increase surface area of the brain 3 times

A

gyri and sulci

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16
Q

cerebral medulla includes

A

thalamus, hypothalamus, hippocampus, amygdala

17
Q

relay center for sensory and motor signalling

A

thalamus

18
Q

the gateway to cortex is

A

thalamus

19
Q

appetite center is

A

hypothalamus

20
Q

limbic system includes

A

amygdala, hippocampus, hypothalamus

21
Q

hippocampus helps in

A

converting short term memory to long term

22
Q

midbrain includes

A

cerebral aqueduct, corpora quadrigemina

23
Q

corpora quadrigemina consists of 4 lobes on

A

dorsal part of midbrain

24
Q

CQ acts as

A

audiovisual reflex center

25
Q

hindbrain has the grey and white matter arranged as

A

arbor vitae

26
Q

cerebellum helps in

A

balancing and equilibrium

27
Q

alcohol affects the

A

cerebellum

28
Q

pons consist of

A

myelinated nerve tracts connecting different parts of brain

29
Q

medulla oblongata controls

A

involuntary actions

30
Q

spine is connected to

A

medulla oblongata

31
Q

central portion of spinal cord is

A

grey

32
Q

spinal cord extends from

A

brainstem to 2nd lumbar

33
Q

longest nerve is

A

vagus nerve

34
Q

dentist nerve is

A

trigeminal

35
Q

spinal nerve distribution formula is

A

C8 T12 L5 S5 Co1

36
Q

dorsal root of spinal nerves are _____ whereas ventral root is ____

A

sensory dorsal and motor ventral