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Revision > the brain > Flashcards

the brain Flashcards

1
Q

what is the cerebrospinal fluid

A

ultrafiltrate of plasma that surrounds the brain and spinal cord

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2
Q

what are the main functions of the cerebrospinal fluid

A

protection
buoyancy
chemical stability

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3
Q

what are the ventricles of the brain

A

these are the structures responsible for producing cerebrospinal fluid

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4
Q

what lines the ventricles of the brain

A

ependymal cells

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5
Q

what are the four ventricles of the brain

A
  • right lateral
  • left lateral
  • third ventricle
  • fourth ventricle
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6
Q

what connects the lateral ventricles to the third ventricle

A

foramen of monro

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7
Q

where is the third ventricle in the brain

A

situated between the right and left thalamus

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8
Q

how does the fourth ventricle receive CSF

A

from the third ventricle via the cerebral aqueduct

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9
Q

where is the fourth ventricle of the brain

A

within the brainstem

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10
Q

what produces the CSF

A

choroid plexus

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11
Q

where is the choroid plexus

A

within the lining of the ventricles

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12
Q

what are the lobes of the brain

A

frontal lobe
temporal lobe
parietal lobe
occipital lobe

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13
Q

which lobe is responsible for perceiving sounds, assigning meaning and remembering them

A

the temporal lobe

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14
Q

what is the function of the temporal lobe

A

auditory processing

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15
Q

what is the function of the occipital lobe

A

processes what we see

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16
Q

which lobe of the brain is responsible for recognising colours, shapes, faces and movements

A

the occipital lobe

17
Q

which lobe of the brain is described as the visual brain

A

the occipital lobe

18
Q

what is the function of the parietal lobe

A

process sensory information for understanding numbers, objects and spacial relations

19
Q

which lobe of the brain is responsible for spacial reasoning

A

the parietal lobe

20
Q

what is the function of the frontal lobe

A

voluntary movement, speech, attention, reasoning, problem solving, impulse control, memory and emotional expression.

21
Q

which lobe of the brain is responsible for personality

A

the frontal lobe

22
Q

what is the function of the cerebellum

A

coordination, precision, balance and posture

23
Q

what is the function of the medullary oblongata

A

involuntary functions like breathing and heart rate

24
Q

what are the areas of the brain

A

cerebrum
ventricles
hypothalamus
pituitary gland
pons
medulla
cerebellum
midbrain
brainstem
thalamus
corpus callosum

25
Q

what is the brain divided into

A

two hemispheres - left and right

26
Q

what are the two hemispheres each divided into

A

the four lobes

27
Q

what connects the two hemispheres of the brain

A

corpus callosum

28
Q

what is brocas area

A

section of the frontal lobe responsible for language production

29
Q

what is wernickes area

A

the section of the temporal lobe essential for understanding speech

30
Q

which side of the body does the left hemisphere control

A

the right side

31
Q

which side of the body does the right hemisphere control

A

the left

32
Q

what is the lateral sulcus

A

a deep fissure in each hemisphere that separates the frontal and parietal lobes from the temperol lobe

33
Q

what is the precentral gyrus

A

an elevated bridge of brain tissue that executes voluntary movements

34
Q

what does the post central gyrus do

A

the somatosensory cortex where the body’s sensory inputs like touch pain and temperature are registered

35
Q

what does the left hemisphere specialise in

A

language and speech

36
Q

what does the right hemisphere specialised in

A

visual and spatial skills

37
Q

what is the pons

A

the largest part of the brainstem between the midbrain and the medulla oblongata. it is a group of nerves that function as connection between the cerebrum and the cerebellum

38
Q

what is cerebral cortex

A

the gray matter that forms the outermost layer of nerve tissue in the brain and is what is then separated into the lobes

39
Q

what is the central sulcus

A

groove separating the frontal lobe from the parietal lobe

Revision (48 decks)

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