Mod 8

Question 1

what does the CNS develop from

Answer 1

thickened area of the ectoderm

Question 2

what is the thickened area of the ectoderm called

Answer 2

neural plate at 4.5 week LMP

Question 3

about what day does the cranial end close

Answer 3

38 LMP

Question 4

about what day does the caudal end close

Answer 4

40 LMP

Question 5

what is the most common site of neural tube defects

Answer 5

caudal

Question 6

the rostral end differentes into three vesicles that give rise to the entire brain, what are they

Answer 6

prosencephalon
mesencephalon
rhombencephalon

Question 7

what is another name for prosencephalon

Answer 7

forebrain

Question 8

what is another name for mesencephalon

Answer 8

midbrain

Question 9

what is another name for rhombencephalon

Answer 9

hindbrain

Question 10

what does the prosencephalon differentiate into

Answer 10

telencephalon

diencephalon

Question 11

what does the telencephalon form

Answer 11

cerebral hemispheres

Question 12

what does the diencephalon form

Answer 12

thalamus

hypothalamus

Question 13

what is the smallest potion of the brain

Answer 13

midbrain

Question 14

what does the mesencephalon form

Answer 14

cerebral peduncles

Question 15

where is the location of the mesencephalon

Answer 15

anterior to the aqueduct of Sylvius

Question 16

what does the rhombencephalon differentiate into

Answer 16

metencephalon

myelencephalon

Question 17

what does the metencephalon form

Answer 17

cerebellum

pons

Question 18

where is the pons located

Answer 18

between the midbrain and medulla oblongata

Question 19

what does the pons connect

Answer 19

cerebrum to the cerebellum

Question 20

what does the myelencephalon form

Answer 20

medulla oblongata

Question 21

how far does the medulla oblongata extend

Answer 21

from pons to spinal cord

Question 22

what does the medulla oblongata do

Answer 22

regulates heart rate and respiratory rhythm and blood pressure

Question 23

what do the 2 frontal lobes control

Answer 23

personality

voluntary motion

Question 24

what do the 2 parietal lobes control

Answer 24

peripheral sensory

Question 25

what do the 2 temporal lobes control

Answer 25

smell
taste
hearing

Question 26

what do the 2 occipital lobes control

Answer 26

vision

Question 27

what do the 2 insula lobes control

Answer 27

motor and sensory function of the organs

Question 28

what is the cerebrums function

Answer 28

controls learned behaviour and personality

Question 29

what are the ventricles

Answer 29

4 connecting cavites within the cerebral hemispheres and the brain steam

Question 30

what is the ventricles continous with

Answer 30

spinal cord cavity

Question 31

what do all the venticle cavities contain

Answer 31

CSF

choroid plexus

Question 32

what is the foramen of magendi

Answer 32

medial aspect of the 4th ventricle

connects to the spinal cord

Question 33

what is the foramen of luschka

Answer 33

lateral aspect of the 4th ventricle

connects with the meninges of the brain

Question 34

what is the lateral venticles

Answer 34

largest ventricles
located in the cerebral hemispheres
each has a body and 3 horns

Question 35

the juntion of the body, occiptal and temporal horns form what of the ventricle

Answer 35

trigone or atria

Question 36

where is the 3rd ventricle located

Answer 36

between the thalami and inferior to the corpus callosum

Question 37

what does the 3rd ventricle communicate with

Answer 37

lateral ventricle via the foramen of monro

4th ventricle via the aqueduct of sylvius

Question 38

where is the 4th ventricle located

Answer 38

within the brain stem

anterior to the cerebellum

Question 39

what is the 4th ventricle continuous with

Answer 39

central canal of the spinal cord via the foramen of magendie

Question 40

what does the 4th ventricle communicate with

Answer 40

subarachnoid spaces of the meninges via the foramen of luschka