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Neuro > vascular supply and ventricles > Flashcards

vascular supply and ventricles Flashcards

1
Q

location of lateral ventricles

A

cerebral hemispheres

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2
Q

location of 3rd ventricle

A

diencephalon

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3
Q

location of cerebral aqueduct

A

midbrain

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4
Q

location of 4th ventricle

A

pons/medulla

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5
Q

label the ventricles of the brain

A
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6
Q

The vascular _______ in each ventricle makes CSF.

A

choroid plexus (specialized ependymal cells)

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7
Q

CSF flows through the ventricular system and into the

A

subarachnoid space.

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8
Q

CNS acts as a ______ to protect CNS from traumatic injury.

A

“shock absorber”

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9
Q

describe the movement of CSF

A

Made in an ongoing fasion – flows from lateral ventral, foramen of monro, through to 3rd ventricle to cerebral aqueduct to 4th, then in back of 4th ventricle it has alternative routes – down central canal of spinal cord or could exit and enter subarachnoid space

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10
Q

CSF exits through the _____ in the 4th ventricle into the _____ outside the brain

A

dorsal holes

subarachnoid space

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11
Q

pathway external to the brain:

CSF is reabsorbed into _______ at _____ in cranial midline into cerebal sinuses

A

venous blood at arachnoid granulations

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12
Q
A
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13
Q
A
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14
Q

Hydrocephalus

A

Increased CSF in ventricles and/or subarachnoid space due to blockage of CSF flow

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15
Q

describe this

A

Blockage in exits from 4th ventricle.

Hydrocephalus of all ventricles

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16
Q
A
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17
Q
A
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18
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19
Q
A
20
Q
A
21
Q
A
22
Q
A
23
Q
A
24
Q

involved in motor aspect of speech

A

broca’s area

25
Q

involved in receptive/comprehending aspects of language

A

Wernicke’s area

26
Q

brain ____ form the blood brain barrier

A

capillaries

27
Q

Arteries and veins on the surface of the brain are in the

A

subarachnoid space

28
Q
A
29
Q

branches off the internal carotid

A
  • Anterior cerebral (ACA)
  • Anterior communicating
  • Middle Cerebral (MCA)
  • Posterior communicating
30
Q

branches off the vertebral artery

A

Posterior inferior cerebellar (PICA)

Anterior spinal (AS)

Posterior spinal (PS)

31
Q

name the arteries that compose the circle of willis

A

Internal carotids

Anterior cerebrals

Anterior communicating

Middle cerebrals

Posterior cerebrals

Posterior communicatings

32
Q

_____ supplies blood to the cerebral hemispheres

A

circle of willis

33
Q

The circle of willis surrounds the ______ (part of brain)

A

diencephalon

34
Q

Lies in longitudinal fissure (between hemispheres) on medial surface of hemisphere

A

anterior cerebral artery

35
Q

Anterior cerebral artery supplies ____ parts of the ____ and ____ lobes

A

medial

frontal and parietal lobes

36
Q

Lies in lateral fissure

A

(between frontal & temporal lobes)

37
Q

Middle Cerebral Artery (MCA) supplies the ____ parts of the ____, ______, and ____ lobes

A

lateral

frontal, parietal, temporal lobes

38
Q

functions of the territory MCA supplies

A
  • motor and sensory upper limbs and face
  • brocas area for motor speech on the left
  • receptive language in the Wernickes area on the left
39
Q

While in lateral fissure, middle cerebral artery, sends branches into interior = ________ aka Deep penetrating arteries.

A

Lenticulostriate arteries

40
Q

what makes up the basal ganglia

A

caudate

putamen

globus pallidus

41
Q

Middle cerebral artery supplies the _____ and internal capsule

A

basal ganglia

42
Q

contents of internal capsule

A
  • Descending motor tract
  • Ascending somatosensory tract
43
Q

the posterior cerebral artery supplies the ____ and ____ loves

A

occipital and part of the temporal lobe

44
Q

posterior cerebray artery supplies vasculature to this function of territory

A

vision

45
Q

Watershed areas

A

those that get the least blood flow during times of low blood pressure.

46
Q

To understand strokes clinically we need to know:

A
  • each brain blood vessel
  • the area of brain it supplies (its territory)
  • the function(s) of the region it supplies

Neuro (27 decks)

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