Brain!

Question 1

The Cerebrum is the most

Answer 1

largest and rostral part of the brain

Question 2

divided into left and right hemispheres by the

Answer 2

longitudinal cerebral fissure

Question 3

Sulci divvies the two hemisphere into

Answer 3

lobes

Question 4

fissures further divide the hemispheres into

Answer 4

gyri

Question 5

gyro are the

Answer 5

neuro tissue between the fissures

Question 6

PREcentral gyrus is the

Answer 6

primary MOTOR cortex

Question 7

POSTcentral gyrus is the

Answer 7

primary somatic SENSORY cortex

Question 8

Forebrain is the

Answer 8

telecephalon and diencephalon together

Question 9

Telencephalon (cerebrum) is the ________ and fills _______

Answer 9

largest portion of the brain

anterior & middle cranial fossa

Question 10

connects the two hemispheres

Answer 10

corpus callosum

Question 11

Diencephalon is the

Answer 11

central core of brain

thalamus & hypothalamus

Question 12

______ CN outgrowth of forebrain

Answer 12

CN I & II

Question 13

Brainstem is the

Answer 13

midbrain
pons
medulla oblongata

Question 14

______ CN outgrowth of brainstem

Answer 14

CN III -XII

Question 15

Cerebellum fills

Answer 15

posterior cranial fossa

Question 16

CSF provides

Answer 16

nutrients to the brain tissue & spinal cord

cushions the brain

Question 17

CSF is secreted by

Answer 17

choroid plexus located in the four ventricles

Question 18

Ventricles develop from

Answer 18

the central canal of the neural tube

Question 19

right & left _______ are located in the _________

Answer 19

lateral ventricles

central hemispheres

Question 20

3rd and 4th ventricles are located

Answer 20

in the midline of brain

Question 21

3rd located

Answer 21

diencephalon

Question 22

4th located

Answer 22

pons

Question 23

CSF flows into

Answer 23

subarachnoid space surrounding the brain and spinal cord

Question 24

CSF is absorbed into the _______ via the ________

Answer 24

venous sinuses via the arachnoid granulations

Question 25

arachnoid granulations project

Answer 25

into the superior sagittal sinus

Question 26

cranial meninges

Answer 26

encloses and protects the brain

Question 27

3 layers of meninges

Answer 27

1. dura 2. arachnoid 3. pia

Question 28

tough outer covering of the brain and spinal cord

Answer 28

dura matter

Question 29

dura matter lines

Answer 29

the inner surface of cranium

Question 30

sensory innervation of the dura is primarily from the

Answer 30

3 division of the Trigemnial N. V

Question 31

blood supply of dura matter is _______ | primarily _______

Answer 31

meningeal aa. | middle meningeal a

Question 32

Two layers of Dura

Answer 32

external periosteal layer | inner meningeal layer

Question 33

external periosteal layer is the covering

Answer 33

of the inner surface of the bone

Question 34

inner meningeal layer forms _________ which provide

Answer 34

dural infoldings | support and divide brain into regions

Question 35

dura venous sinuses

Answer 35

spaces between 2 layers of dura

Question 36

Types of Folds

Answer 36

Falx Cerebri Falx Cerebelli Tentorium Cerebelli Diaphragm Sellar

Question 37

Falx Cerebri divides

Answer 37

the right & left cerebral hemispheres

Question 38

Falx Cerebelli partially

Answer 38

divides the 2 halves of the cerebellum

Question 39

Tentorium Cerebelli covers

Answer 39

the cerebellum | separating it from the occipital lobes of cerebrum

Question 40

diaphragm Sellar forms the

Answer 40

roof over hypophysial fossa and pituitary gland

Question 41

diaphragm Sellar is suspended from

Answer 41

clinoid processes of sphenoid bone

Question 42

Dural Venous Sinuses are

Answer 42

endothelial-lined spaces

Question 43

Dural Venous Sinuses form the

Answer 43

venous drainage system of the brain and cranial cavity

Question 44

Major Dural Sinuses

Answer 44

``` Superior Sagittal Inferior Sagittal Straight Transverse Sigmoid Cavernous Superior & Inferior Petrosal ```

Question 45

Straight Sinus is the merging of

Answer 45

inferior sagittal sinus & great cerebral v.

Question 46

Sigmoid Sinus becomes

Answer 46

Internal jugular v. as it exits the skull at jugular foramen

Question 47

Cavernous Sinus is on either side of

Answer 47

sella turcia

Question 48

Superior and Inferior petrosal sinus connects the

Answer 48

cavernous sinus and sigmoid sinus

Question 49

Superior Ophthamlic V. becomes _______ that becomes _______

Answer 49

Ophthalmic v. | Cavernous sinus

Question 50

Contents of the Cavernous Sinus

Answer 50

Internal carotid a. | CN VI

Question 51

located in the wall of the cavernous sinus

Answer 51

CN III CN IV V1 V2

Question 52

infections reaching the cavernous sinus may damage

Answer 52

carotid a CN and possible spread to other sinus

Question 53

Most important connections are between

Answer 53

Ophthalmic vv & cavernous Sinus & pterygoid plexus & cavernous sinus

Question 54

Arachnoid layer adheres to

Answer 54

inner surface of dura

Question 55

Subarachnoid space is between

Answer 55

arachnoid & pia bridged with trabeculae

Question 56

Subarachnoid space is filled with

Answer 56

CSF

Question 57

Subarachnoid space is the location of

Answer 57

cerebral aa. & vv.

Question 58

Arachnoid granulations project from subarachnoid space into

Answer 58

Superior Sagittal Sinus

Question 59

Superior Sagittal Sinus is where

Answer 59

CSF is absorbed in to the venous system

Question 60

Pia layer is the most ______ and follows

Answer 60

inner layer | every fold of the brain