Test 1 #3

Question 1

The cerebellum contains (3)

Answer 1

cortexwhite mattersubcortical nuclei

Question 2

The ______ is composed of the pons and the cerebellum

Answer 2

metencephalon

Question 3

Part of the rhombencephalon that does not expand forms (3)

Answer 3

medullapyramiddorsal column

Question 4

Forebrain, midbrain, and hindbrain are called _____

Answer 4

primary vesicles

Question 5

Secondary vesicles appear around the ____ week

Answer 5

5-6th

Question 6

______ is classified as both primary and seconday

Answer 6

Mesencephalon

Question 7

Bends in the brain are called _____

Answer 7

flexures

Question 8

_____ & _____ flexures are called primary flexures and the ____ flexure is callled seconday

Answer 8

cervical, cephalic, pontine

Question 9

The primary flexures occur in the _____ week

Answer 9

early 4th

Question 10

Cervical flexure is between the ____ & _____

Answer 10

medulla, spinal cord

Question 11

Cephalic flexure is between _____ & ______

Answer 11

prosencephalon, midbrain

Question 12

Both cephalic and cervical flexure are located on the _____ side, which is concave _____

Answer 12

ventral, ventrally

Question 13

Pontine flexure occurs at the ____ week

Answer 13

end of 4th beginning of 5th

Question 14

Pontine flexure is located on the ____ side, and is concave _____

Answer 14

dorsal, dorsally

Question 15

Pontine flexure forms the _____ and is located between _____ & _____

Answer 15

rhomboid fossa, pons/medulla, cerebellum

Question 16

______ grows laterally and forms both the lateral ventricles

Answer 16

Telencephalon

Question 17

____ makes the 3rd ventricle

Answer 17

Diencephalon

Question 18

Mesencephalon makes up the walls of the _____ and connects the ___ & _____ ventricles

Answer 18

cerebral acqueducts, 3rd, 4th

Question 19

Metencephalon makes up the walls of the ____ ventricle at the _____

Answer 19

4th , pontine flexure

Question 20

There is very little CSF in the _____

Answer 20

central canal

Question 21

Neural crest cells are ____ and make the _____

Answer 21

migratory, PNS

Question 22

With the neural tube the motor structures are in the ___ plate and it is located on the _____ side. The sensory structures are in the ___ palte and it is located on the _____ side

Answer 22

basal plate, ventral, alar plate, dorsal

Question 23

The groove between the alar and basal plate is called the ______

Answer 23

sulcus limitans

Question 24

In the midbrain the motor structures are ____ and the sensory structures are _____

Answer 24

medial, lateral

Question 25

With cell development in the spinal cord, the neural tube divides into 3 zones

Answer 25

Ventricular (inner)IntermediateMarginal(outer)

Question 26

Innermost(ventricular) zone has (4) cells

Answer 26

immature cellgerm cellstem cell neuroepithelial cells

Question 27

Intermediate zone has (2)

Answer 27

neuroblastsglioblast

Question 28

The marginal(outer) zone has (2)

Answer 28

mature neuronmature glial cells

Question 29

Brain and spinal cord are surrounded by connective tissue layers (3)

Answer 29

Dura MaterArachnoid MaterPia Mater

Question 30

____ mater is the outer layer, _____ mater is the whispy middle layer, and _____ mater is the layer to brain and spinal cord

Answer 30

Dura, arachnoid, pia

Question 31

Brain stem and spinal cord both have all 3, the difference is the ______

Answer 31

arrangement

Question 32

Cranial dura has 2 layers

Answer 32

PeriostealMeningeal

Question 33

The _____ layer is highly vascular, the _____ layer has no blood supply

Answer 33

Periosteal, Meningeal

Question 34

The space between the 2 cranial dura layers are _____ and they act like veins

Answer 34

sinuses

Question 35

The cranial dura is innervated by (2)

Answer 35

C1-C3 sensory dorsal rootsTrigeminal root

Question 36

Folds of the meningeal layer (3)

Answer 36

Falx cerebriTentorium cerebelliFalx cerebelli

Question 37

____ is between the 2 hemispheres of the cerebrum

Answer 37

Falx cerebri

Question 38

______ is between the cerebellum and cerebrum

Answer 38

Tentorium cerebelli

Question 39

_____ is between the 2 hemispheres of the cerebellum

Answer 39

Falx cerebelli

Question 40

The cranial arachnoid has fibers from the main membrane to the pia mater called ______

Answer 40

trabeculae

Question 41

The cranial arachnoid suspends the brain in _____

Answer 41

CSF

Question 42

Space between the dura and arachnoid space is called _____

Answer 42

subdural space

Question 43

Large area of space, or pouch, of the arachnoid is called the arachnoid ______

Answer 43

cistern

Question 44

The _____ cistern is largest between end of spinal cord and dura mater

Answer 44

lumbar

Question 45

The arachnoid ______ is found within the sinus and the area where CSF is released into the sinus

Answer 45

granulation

Question 46

Cranial pia is tightly attached to the _____

Answer 46

brain

Question 47

Spinal dura mater has 1 layer, the _____

Answer 47

meningeal layer

Question 48

Between the bone, perosteum and the meningeal layer is the _____

Answer 48

epidural fat pad

Question 49

A plexus of _____ separates the epidural fat pad from vertebral periosteum

Answer 49

veins

Question 50

The dura surrounding the spinal cord is called the _____, and ends at vertebral level ______

Answer 50

dural sac, S2