6.2.00 Central Nervous System - Protection

Front 1

6 main divisions of the brain

Back 1

medulla oblongata - pons - midbrain - diencephalon - cerebellum - cerebrum

Front 2

the diencephalon consists of (3)

Back 2

thalamus - hypothalamus - epithalamus

Front 3

the brain stem consists of (3)

Back 3

medulla oblongata - pons - midbrain

Front 4

5 structures that help to protect the brain and spinal cord

Back 4

skull bones - vertebrae - cerebral spinal fluid - meninges - blood-brain barrier

Front 5

csf b____& c____

Back 5

bathes - cushions

Front 6

csf flows where

Back 6

around + in brain + spinal cord

Front 7

csf is made of ____% ____

Back 7

99% water

Front 8

csf also contains ____ (glucose), ____, few ____, ____ & vitamin ____

Back 8

sugar - chlorides - proteins - ions - c

Front 9

total volume of ____ml of csf gets replaced every ____ hours

Back 9

150ml - 8

Front 10

____ml of csf is formed daily

Back 10

500

Front 11

csf is formed by ____ ____ in the brain ____

Back 11

choroid plexus - ventricles

Front 12

choroid plexus produces

Back 12

csf

Front 13

3 layers of meninges

Back 13

dural mater - arachnoid membrane - pia mater

Front 14

dura mater is the most ____ layer

Back 14

superficial

Front 15

dura mater is a ____, ____-layer membrane of brain

Back 15

tough - double

Front 16

how many layers of dura mater in the vertebrae

Back 16

1

Front 17

outer layer of dura mater is fused to the

Back 17

skull

Front 18

the layers of dura mater in some areas separate to enclose ____ ____

Back 18

dural sinuses

Front 19

dura mater extends in some areas forming ____ to anchor the brain to the skull

Back 19

septa

Front 20

4 dural septa

Back 20

falx cerebri - falx cerebelli - tentorium cerebelli - diaphragma sellae

Front 21

____ space is below dura & above arachnoid

Back 21

subdural

Front 22

____ space is between bone & the dura

Back 22

epidural

Front 23

epidural space is present only in the

Back 23

vertebrae

Front 24

arachnoid membrane is deep to ____

Back 24

dura

Front 25

arachnoid membrane has web-like extension down to the ____ ____

Back 25

pia mater

Front 26

space below arachnoid membrane

Back 26

subarachnoid space

Front 27

what's in the subarachnoid space (2)

Back 27

csf - numerous blood vessels

Front 28

function of arachnoid granulations (villi)

Back 28

drains csf into dural sinuses

Front 29

pia mater is the ____ layer

Back 29

innermost

Front 30

pia mater adheres to

Back 30

brain and spinal cord

Front 31

pia mater follows ____ of the brain

Back 31

folds

Front 32

pia mater is very ____

Back 32

vascular

Front 33

filum terminale is a small extension of ____ ____ that fastens spinal cord to ____

Back 33

pia mater - coccyx

Front 34

blood-brain barrier is formed by _____ and ____ linings of the brain ____

Back 34

astrocytes - endothelial - capillaries

Front 35

blood-brain barrier prevents ____ ____ from entering ____ ____

Back 35

cellular wastes - brain tissue

Front 36

3 disorders of the meninges

Back 36

hydrocephalus - meningitis - encephalitis

Front 37

build up of csf due to blockage or obstruction is called

Back 37

hydrocephalus

Front 38

hydrocephalus exerts pressure on the

Back 38

brain

Front 39

hydrocephalus can cause

Back 39

permanent brain damage

Front 40

inflammation of the meninges caused by viral or bacterial infection

Back 40

meningitis

Front 41

meningitis may spread to

Back 41

nervous tissue of cns

Front 42

brain tissue inflammation is called

Back 42

encephalitis

Front 43

encephalitis is fat ____% of the time

Back 43

50