FINALS: BRAIN LEC

Question 0

Brain is continuous with the Spinal cord through the

Answer 0

Foramen magnum

Question 1

Part of cns that lies inside the cranial cavity

Answer 1

Brain

Question 2

3 parts of the brain

Answer 2

Forebrain
Midbrain
Hindbrain

Question 3

Forebrain

Answer 3

Cerebrum

Diencephalon

Question 4

Cavities in the forebrain

Answer 4

3rd

Right and left lateral ventricle

Question 5

Cavities in the Midbrain

Answer 5

Cerebral aqueduct

Question 6

Hindbrain

Answer 6

Pons
Medulla oblongata
Cerebellum

Question 7

Cavities in the hindbrain

Answer 7

4th ventricle

Central canal

Question 8

Largest part of the brain BIG BRAIN

Answer 8

Cerebrum

Question 9

2 cerebral hemispheres is connected by

Answer 9

Corpus callosum

Question 10

Surface layer of each hemisphere composed of gray matter

Answer 10

Cortex

Question 11

Large sulci or fissures divide the hemisphere into LOBES

Answer 11

Sulci

Question 12

Cental sulcus

Answer 12

Frontal

Parietal

Question 13

Lateral sulcus

Answer 13

Frontal
Parietal
Temporal

Question 14

Parieto occ sulcus

Answer 14

Parietal

Occ

Question 15

Ant to central sulcus

Answer 15

Precentral or motor gyrus

Question 16

Control the voluntary movts on the opp side of the body

Answer 16

Precentral or motor gyrus

Question 17

Post to central sulcus

Answer 17

Postcentral or sensory gyrus

Question 18

Interpret sensations of pain, temp, touch, pressure

Answer 18

Postcentral gyrus

Question 19

Lobe that is highly motor

Answer 19

Frontal

Question 20

Lobe that is highly sensory

Answer 20

Parietal

Question 21

Cortical regions in parietal lobe

- understanding, speech

Answer 21

Somatosensory assoc area

Question 22

Loc in parietal and temporal lobe along w auditory assoc area and primary auditory cortex
- hear sounds plus meaning

Answer 22

Gen interpretative area or Wernickes area

Question 23

Interpret hearing or sounds

Answer 23

Saa

Gia

Question 24

Responsible for motor speech | Give signals to larynx to produce words

Answer 24

Brocas area

Question 25

Posterior pole and medial aspect of the cerebral hemisphere

Answer 25

Visual area

Question 26

In the region of the CALCARINE SULCUS receiving area for visual impressions(occ lobe)

Answer 26

Visual area

Question 27

Cavity present within each cerebral hemisphere

Answer 27

Lateral ventricle

Question 28

Lateral gentricle communicates with the 3rd through the

Answer 28

Interventricular foramina

Question 29

Large mass of gray matter lies on either side of the 3rd ventricle -relay station on the afferent sensory pathway to the cerebral cortex

Answer 29

Thalamus

Question 30

Forms the lower part of the lateral wall and floor of the 3rd ventricle

Answer 30

Hypothalamus

Question 31

Narrow part of the brain | Passes through the TENTORIAL NOTCH and CONNECTS forebrain to hindbrain

Answer 31

Midbrain

Question 32

2 lateral halves (cerebral peduncles) divided into:

Answer 32

``` Anterior part (crus cerebri) Post part (tegmentum) ```

Question 33

Pigmented band of gray matter

Answer 33

Substantia nigra

Question 34

Narrow cavity that connects 3rd and 4th ventricles

Answer 34

Cerebral aqueduct

Question 35

Post to the cerebral aqueduct

Answer 35

Tectum

Question 36

4 small surface swellings

Answer 36

2 sup and 2 inf colliculi

Question 37

Small granular struc that lies bet sup colliculi, calcifies in middle age and can be visualized in radiographs

Answer 37

Pineal body

Question 38

Situated on the ant surface of cerebellum below midbrain and above the medulla

Answer 38

Pons

Question 39

Composed of nerve fibers wc connect the 2 halves of the cerebellum

Answer 39

Pons

Question 40

pons contain - and - fibers connecting the forebrai, midbrain and spinal cord

Answer 40

Ascending and descending fibers

Question 41

Cortical region in temporal lobe: rel to ears

Answer 41

Auditory cortex

Question 42

Inf to corpus callosum | Biggest ventricle

Answer 42

Lateral ventricle

Question 43

3 horns of lateral ventricle

Answer 43

Ant Inf Post

Question 44

What comprises the diencephalon

Answer 44

Thalamus | Hypothalamus

Question 45

Secretes CSF | Color blue above thalamus

Answer 45

Choroid plexus

Question 46

3 neuro endocrine glands or organs

Answer 46

Hypothalamus Pituitary gland Pineal body

Question 47

Give signals to pituitary gland to secrete either stimulatory or inhibitory hormones

Answer 47

Hypothalamus

Question 48

Master gland

Answer 48

Pituitary gland

Question 49

Other name for pituitary gland

Answer 49

Hypophysis

Question 50

Function of thalamus

Answer 50

Relay station

Question 51

Pathway of afferent

Answer 51

Sensory pathway

Question 52

Pathway of efferent

Answer 52

Motor pathway

Question 53

Anatomical significance of hypothalamus

Answer 53

Level where we locate optic chiasma and mamillary bodies

Question 54

Point where optic nerve will cross

Answer 54

Optic chiasma

Question 55

Hypothalamus is a landmark to locate presense of

Answer 55

Optic chiasma | Mamillary bodies

Question 56

Connection bet forebrain and hindbrain

Answer 56

Midbrain

Question 57

Substantia nigra is dark because of what neurotransmitter

Answer 57

Dopamine

Question 58

Def in dopamine results to lightening of substantia nigra

Answer 58

Parkinsons dse

Question 59

Pineal body secretes what

Answer 59

Melatonin

Question 60

3 organs of hindbrain

Answer 60

Cerebellum Pons Medulla

Question 61

Func of pons

Answer 61

Act as relay station

Question 62

Pons highly projeted bec of

Answer 62

Presence of CN

Question 63

Conical | Connects pons above to the spinal cord below

Answer 63

Medulla

Question 64

Line separating the medulla in the middle | Present on the ant surface

Answer 64

Median fissure

Question 65

Swelling Lateral to median fissure

Answer 65

Pyramid

Question 66

Swelling posterior to the pyramids

Answer 66

Olive

Question 67

2 major swellings of medulla

Answer 67

Olive | Pyramid

Question 68

Medulla taper below, where majority of descending fibers CROSS OVER to opp side

Answer 68

Decussation of the pyramids

Question 69

Behind olives, connects medulla to cerebellum

Answer 69

Inf cerebellar peduncles

Question 70

Func of cerebellum

Answer 70

Body posture and coordinatio

Question 71

Lies within the post cranial fossa beneath the tentorium cerebelli

Answer 71

Cerebellum

Question 72

Post to pons and medulla

Answer 72

Cerebellum

Question 73

Connects the 2 cerebellar hemispheres

Answer 73

Vermis

Question 74

Cerebellum + midbrain

Answer 74

Sup cerebellar peduncle

Question 75

Cerebellum + pons

Answer 75

Middle c. P.

Question 76

Cerebellum + medulla

Answer 76

Inf c. P.

Question 77

Surface layer of the hemispheres

Answer 77

Cortex

Question 78

Foldings in cerebellum which increases surface area

Answer 78

Folia