Lab 2 Midterm Bio 1191

Question 1

What are the four major sections of brain

Answer 1

Cerebrum, diencephalon, cerebellum, and brain stem

Question 2

What are the names of the three meninges covering the brain?

Answer 2

Dura , arachnoid and Pia

Question 3

Cranial dura mater has 2 two layers that are fused together except where

Answer 3

Venous sinuses

Question 4

The venous sinuses …. Blood from the brain to the internal … veins

Answer 4

Drain, jugular

Question 5

What is the extension of the dura mater

Answer 5

Falx cerebri

Question 6

The falx cerebri separates the two …… hemispheres and attaches to the ….. of the ….. bone

Answer 6

Cerebral, crista galli, ethmoid

Question 7

What extension of tissue does the arachnoid mater use to penetrate through the dura mater into the venous sinuses

Answer 7

Arachnoid granulations

Question 8

What fluid does the arachnoid granulation reabsorb into the blood

Answer 8

Cerebrospinal fluid

Question 9

Cerebrum provides us the ability to …., write,… and …..
And to …. The past, and ….. things

Answer 9

Read, and speak, remember, and imagine

Question 10

Deep grooves are called

Answer 10

Fissures

Question 11

Shallow grooves are

Answer 11

Sulci

Question 12

Either side of a sulcus is a bulge called

Answer 12

Gyrus

Question 13

The right and left hemi are separated by

Answer 13

Longitudinal cerebral fissure

Question 14

Which gyrus contains the primary motor cortex of the cerebrum

Answer 14

Precentral cerebral gyrus

Question 15

Which gyrus contains the primary somatosensory cortex of the cerebrum

Answer 15

Postcentral gyrus

Question 16

What is the region of gray matter that forms the outer rim of the cerebrum

Answer 16

Cerebral cortex

Question 17

Medulla oblongata contains …. And ….. tracts. It also regulates …… and …… diameter. Regulates ….. and also provides instructions that the …… uses to adjust muscle activity when learning new motor skills. Coordinate ……, swallowing, ….., ….., and hiccuping.

Answer 17

Motor and sensory. Heartbeat and blood vessel. Breathing and cerebellum. Coughing, sneezing, vomiting.

Question 18

the nerves originating from medulla oblongata are

Answer 18

8,9,10,11 and 12
vestibulocochlear, glossopharyngeal, vagus, accessory, and hypoglossal

Question 19

Pons help control ……

Answer 19

Breathing

Question 20

Pons nerves contain

Answer 20

5, 6, 7, 8
Trigeminal, abducens, facial, vestibulocochlear

Question 21

Midbrain coordinate movements of …., …. , and ….. in response to …. And …. Stimuli.

Answer 21

Eyes head and trunk, visual and auditory

Question 22

Midbrain nerves are

Answer 22

3 and 4
Oculomotor, trochlear

Question 23

what is deep to the gray matter with tracts oif white matter

Answer 23

arbor vitae

Question 24

what image does arbor vitae represent

Answer 24

branches of a tree

Question 25

what connects the hypothamalus to the pituitary gland

Answer 25

infundibular stalk

Question 26

what is centrally located in the thalamus, and is a region of gray matter that connects the left and right thalamus regions

Answer 26

interthalamic adhesion

Question 27

what hormones secreted by pituitary gland

Answer 27

follicle stimulating growth, growth hormone, thyroid stimulating, oxytocin

Question 28

waht does the pineal gland produce

Answer 28

melatonin

Question 29

what does melatonin do

Answer 29

regulate circadian rhythms

Question 30

the thalamus is the major .... station for most .... impulses that reach the ..... system of the cerebrum from the spinal cord and brainstem

Answer 30

relay, sensory, primary cortex

Question 31

thalamus plays a role in the maintenance of ...

Answer 31

consciousness

Question 32

CORPUS CALLOSUM connect the .... of the brain, and enables ..... of information between them

Answer 32

2 hemispheres, communication

Question 33

hypothalamus regulates .... muscle and .... muscle. And major regulator of visceral activities including ..... and moement of .... through the digestive canal, and contraction of the ...... .....

Answer 33

smooth and cardiac. heart rate, food, urinary bladder

Question 34

hypothalamus participates in expression of ....

Answer 34

sexual arousal, pain, aggression, rage, pleasure

Question 35

hypothalamus promotes ..... And has 2 centers for thirst and hunger.

Answer 35

eating, satiety, thirst

Question 36

cerebellum regulates ... and .....

Answer 36

posture and balance

Question 37

cerebellum smooths and ..... contractions of ... muscle

Answer 37

coordinates, skeletal

Question 38

third ventricle is found in

Answer 38

thalamus

Question 39

fourth ventricle is found between

Answer 39

brainstem and cerebellum

Question 40

the 2 lateral ventricles are separated anteriorly by a thin membrane called

Answer 40

septum pellucidum

Question 41

what produces CSF in these ventricles

Answer 41

choroid plexuses

Question 42

how does CSF flow from the lateral to the third ventricle through what

Answer 42

interventricular foramina

Question 43

from third ventricle flow to the fourth through what

Answer 43

aqueduct of the midbrain or cerebral aqueduct

Question 44

fourth ventricle to the what

Answer 44

central canal and subarachnoid space

Question 45

3 functions of CSF

Answer 45

shock absorbing, provides optimal chemical environment, exchange of nutrients and waste

Question 46

circle of willis is called what

Answer 46

cerebral arterial circle

Question 47

the cerebral arterial circle compensates if one side of the body becomes ....., and maintain adequate ... supply to brain tissue

Answer 47

damaged, blood