vascular supply and ventricles

Question 1

location of lateral ventricles

Answer 1

cerebral hemispheres

Question 2

location of 3rd ventricle

Answer 2

diencephalon

Question 3

location of cerebral aqueduct

Answer 3

midbrain

Question 4

location of 4th ventricle

Answer 4

pons/medulla

Question 5

label the ventricles of the brain

Answer 5

Question 6

The vascular _______ in each ventricle makes CSF.

Answer 6

choroid plexus (specialized ependymal cells)

Question 7

CSF flows through the ventricular system and into the

Answer 7

subarachnoid space.

Question 8

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

Answer 8

“shock absorber”

Question 9

describe the movement of CSF

Answer 9

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

Question 10

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

Answer 10

dorsal holes

subarachnoid space

Question 11

pathway external to the brain:

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

Answer 11

venous blood at arachnoid granulations

Question 12

Answer 12

Question 13

Answer 13

Question 14

Hydrocephalus

Answer 14

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

Question 15

describe this

Answer 15

Blockage in exits from 4th ventricle.

Hydrocephalus of all ventricles

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Answer 21

Question 22

Answer 22

Question 23

Answer 23

Question 24

involved in motor aspect of speech

Answer 24

broca’s area

Question 25

involved in receptive/comprehending aspects of language

Answer 25

Wernicke's area

Question 26

brain ____ form the blood brain barrier

Answer 26

capillaries

Question 27

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

Answer 27

subarachnoid space

Question 28

Answer 28

Question 29

branches off the internal carotid

Answer 29

- Anterior cerebral (ACA) - Anterior communicating - Middle Cerebral (MCA) - Posterior communicating

Question 30

branches off the vertebral artery

Answer 30

Posterior inferior cerebellar (PICA) Anterior spinal (AS) Posterior spinal (PS)

Question 31

name the arteries that compose the circle of willis

Answer 31

Internal carotids Anterior cerebrals Anterior communicating Middle cerebrals Posterior cerebrals Posterior communicatings

Question 32

\_\_\_\_\_ supplies blood to the cerebral hemispheres

Answer 32

circle of willis

Question 33

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

Answer 33

diencephalon

Question 34

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

Answer 34

anterior cerebral artery

Question 35

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

Answer 35

medial frontal and parietal lobes

Question 36

Lies in lateral fissure

Answer 36

(between frontal & temporal lobes)

Question 37

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

Answer 37

lateral frontal, parietal, temporal lobes

Question 38

functions of the territory MCA supplies

Answer 38

- motor and sensory upper limbs and face - brocas area for motor speech on the left - receptive language in the Wernickes area on the left

Question 39

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

Answer 39

Lenticulostriate arteries

Question 40

what makes up the basal ganglia

Answer 40

caudate putamen globus pallidus

Question 41

Middle cerebral artery supplies the _____ and internal capsule

Answer 41

basal ganglia

Question 42

contents of internal capsule

Answer 42

- Descending motor tract - Ascending somatosensory tract

Question 43

the posterior cerebral artery supplies the ____ and ____ loves

Answer 43

occipital and part of the temporal lobe

Question 44

posterior cerebray artery supplies vasculature to this function of territory

Answer 44

vision

Question 45

Watershed areas

Answer 45

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

Question 46

To understand strokes clinically we need to know:

Answer 46

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