Ch 13 Brain

Question 1

Cerebrum contains 2 _.

Answer 1

2 hemispheres

Question 2

True or false: the largest part of the brain is the Cerebellum

Answer 2

FALSE
-cerebrum

Question 3

_ are convolutions of the cerebrum and are separated by _.

Answer 3

Gyri, Sulci

Question 4

True or false: the cerebellum contains various fissures and sulci

Answer 4

FALSE,
-cerebrum

Question 5

4 Major fissures of the cerebrum:

Answer 5

-longitudinal fissue
-transverse fissure AKA tranverse sulcus
-lateral fissure or sulcus
-central sulcus

Question 6

The longitudinal fissure of the cerebrum separates the _ and _ _.

Answer 6

right and left hemispheres

Question 7

The longitudinal fissure is occupied by the _ _.

Answer 7

falx cerebri

Question 8

The transverse fissure or sulcus separates the _ and _.

Answer 8

cerebrum and cerebellum

Question 9

The transverse fissure is occupied by _ _.

Answer 9

tentorium cerebelli

Question 10

The lateral fissure or sulcus separates the _ _ from the rest of the cerebrum _ to it.

Answer 10

temporal lobe, superior

Question 11

The central sulcus separates the _ (motor) and _ (sensory) gyri

Answer 11

precentral, postcentral

Question 12

The cerebrum contains 4 main lobes:

Answer 12

-frontal
-parietal
-temporal
-occipital

Question 13

The 5th lobe AKA the _ sits within the depths of the _ _.

Answer 13

insula, lateral sulcus

Question 14

The primary motor cortex is the _central gyrus.

Answer 14

precentral gyrus

Question 15

The primary sensory cortex is the _central gyrus.

Answer 15

postcentral gyrus

Question 16

The primary motor cortex sits _ to the central sulcus.

Answer 16

ANTERIOR

Question 17

The primary sensory cortex sits _ to the central sulcus

Answer 17

POSTERIOR

Question 18

Basal Nuclei are AKA:

Answer 18

Basal Ganglia

Question 19

The basal nuclei AKA basal ganglia constitute the _ matter of the _.

Answer 19

gray matter, cerebrum

Question 20

The basal nuclei AKA basal ganglia control _ and _.

Answer 20

movement and posture

Question 21

Diseases of the basal ganglia AKA nuclei involve disturbances in _ _ control.

Answer 21

VOLUNTARY muscle control
-Parkinson’s disease
-Huntington’s chorea

Question 22

The _ is the most important sensory relay center in the brain.

Answer 22

Thalamus

Question 23

The thalamus sends incoming impulses from receptors of the body to the _ _.

Answer 23

cerebral cortex

Question 24

The pineal gland AKA pineal body lies _ to the thalamus

Answer 24

POSTERIOR

Question 25

Pineal Gland is AKA:

Answer 25

the pineal body

Question 26

True or false: the pineal gland AKA pineal body secretes melanin which is involved in wake/sleep cycle.

Answer 26

FALSE! MELATONIN, NOT MELANIN

Question 27

The 3 structures the hypothalamus sits between/is associated with are:

Answer 27

-Optic Chiasma -Mammillary Bodies -Pituitary Gland

Question 28

The CN II AKA optic nerves cross in the _ _.

Answer 28

optic chiasma

Question 29

The mammillary bodies are part of the _ system and are the sensory _ station.

Answer 29

limbic, synaptic

Question 30

The pituitary gland projects _ from the hypothalamus and secretes hormones

Answer 30

inferior

Question 31

The hypothalamus functions in the regulation of visceral activity including:

Answer 31

-body temperature -carbohydrate and lipid metabolism -sleep, sexual activity, and emotions

Question 32

The 3 main components of the brainstem superiorly to inferiorly are:

Answer 32

-midbrain -pons -medulla oblongata

Question 33

The anterior part of the midbrain contains the _ _.

Answer 33

-Cerebral Peduncles

Question 34

The posterior part of the midbrain contain the _ _ and the _ AKA _.

Answer 34

-Corpora Quadrigemina -Tectum AKA roof

Question 35

The corpora quadrigemina of the midbrain contains 4 _ that are arranges in 2 pairs.

Answer 35

elevations

Question 36

The 4 elevations (2 pair) of the corpus quadrigemina of the midbrain are the _ and _ colliculi.

Answer 36

superior and inferior colliculi

Question 37

The superior culliculi are involved in the pathway of

Answer 37

vision

Question 38

The inferior culliculi are involved in the pathway of

Answer 38

hearing

Question 39

The pons acts as a bridge connecting the right and left _ hemispheres.

Answer 39

cerebellar hemispheres

Question 40

The pons relays impulses from the _ _ to the _.

Answer 40

cerebral cortex to the cerebellum

Question 41

The part of the brain that directly continues with the spinal cord is the _ _.

Answer 41

medulla oblongata

Question 42

The medulla oblongata contains most of the _ and _ tracts of the spinal cord

Answer 42

ascending and descending

Question 43

The medulla oblongata contains several _ involved in regulation of _ _ activities.

Answer 43

nuclei, vital body

Question 44

The 3 types of main vital body activities that the medulla oblongata helps regulate include:

Answer 44

-respiratory -cardiac (HR) -vasomotor (BP)

Question 45

decussation=

Answer 45

crossing

Question 46

The medulla oblongata represents an area in which _ tract fibers lie called the _

Answer 46

pyramidal, pyramids

Question 47

The pyramidal tract fibers cross or decussate over the _ side at a point called the _ _.

Answer 47

contralateral pyramidal decussation

Question 48

Other tracts (not pyramidal) that are represented by the medulla oblongata cross either in the _ or the _ _.

Answer 48

brain or spinal cord

Question 49

The cerebellum is AKA:

Answer 49

little brain

Question 50

The cerebellum AKA little brain connects with the midbrain, pons, and medulla oblongata via the superior, middle, and inferior _ _ respectively.

Answer 50

cerebellar peduncles

Question 51

The 2 hemispheres of the cerebellum are separated by a _ _.

Answer 51

median vermis

Question 52

The outer cortex of the cerebellum contains _ separated by fissures.

Answer 52

folia

Question 53

folia=

Answer 53

leaves

Question 54

The white matter within the cerebellum that branches out if called the _ _.

Answer 54

arbor vitae

Question 55

3 functions of the cerebellum include:

Answer 55

-coordination of muscular activities -regulation of muscle tone -maintaining equilibrium