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Anatomy Dissection > Ch 13 Brain > Flashcards

Ch 13 Brain Flashcards

1
Q

Cerebrum contains 2 _.

A

2 hemispheres

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2
Q

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

A

FALSE
-cerebrum

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3
Q

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

A

Gyri, Sulci

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4
Q

True or false: the cerebellum contains various fissures and sulci

A

FALSE,
-cerebrum

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5
Q

4 Major fissures of the cerebrum:

A

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

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6
Q

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

A

right and left hemispheres

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7
Q

The longitudinal fissure is occupied by the _ _.

A

falx cerebri

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8
Q

The transverse fissure or sulcus separates the _ and _.

A

cerebrum and cerebellum

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9
Q

The transverse fissure is occupied by _ _.

A

tentorium cerebelli

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10
Q

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

A

temporal lobe, superior

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11
Q

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

A

precentral, postcentral

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12
Q

The cerebrum contains 4 main lobes:

A

-frontal
-parietal
-temporal
-occipital

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13
Q

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

A

insula, lateral sulcus

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14
Q

The primary motor cortex is the _central gyrus.

A

precentral gyrus

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15
Q

The primary sensory cortex is the _central gyrus.

A

postcentral gyrus

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16
Q

The primary motor cortex sits _ to the central sulcus.

A

ANTERIOR

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17
Q

The primary sensory cortex sits _ to the central sulcus

A

POSTERIOR

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18
Q

Basal Nuclei are AKA:

A

Basal Ganglia

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19
Q

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

A

gray matter, cerebrum

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20
Q

The basal nuclei AKA basal ganglia control _ and _.

A

movement and posture

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21
Q

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

A

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

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22
Q

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

A

Thalamus

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23
Q

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

A

cerebral cortex

24
Q

The pineal gland AKA pineal body lies _ to the thalamus

A

POSTERIOR

25
Q

Pineal Gland is AKA:

A

the pineal body

26
Q

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

A

FALSE!
MELATONIN, NOT MELANIN

27
Q

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

A

-Optic Chiasma
-Mammillary Bodies
-Pituitary Gland

28
Q

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

A

optic chiasma

29
Q

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

A

limbic, synaptic

30
Q

The pituitary gland projects _ from the hypothalamus and secretes hormones

A

inferior

31
Q

The hypothalamus functions in the regulation of visceral activity including:

A

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

32
Q

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

A

-midbrain
-pons
-medulla oblongata

33
Q

The anterior part of the midbrain contains the _ _.

A

-Cerebral Peduncles

34
Q

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

A

-Corpora Quadrigemina
-Tectum AKA roof

35
Q

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

A

elevations

36
Q

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

A

superior and inferior colliculi

37
Q

The superior culliculi are involved in the pathway of

A

vision

38
Q

The inferior culliculi are involved in the pathway of

A

hearing

39
Q

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

A

cerebellar hemispheres

40
Q

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

A

cerebral cortex to the cerebellum

41
Q

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

A

medulla oblongata

42
Q

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

A

ascending and descending

43
Q

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

A

nuclei, vital body

44
Q

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

A

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

45
Q

decussation=

A

crossing

46
Q

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

A

pyramidal, pyramids

47
Q

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

A

contralateral
pyramidal decussation

48
Q

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

A

brain or spinal cord

49
Q

The cerebellum is AKA:

A

little brain

50
Q

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

A

cerebellar peduncles

51
Q

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

A

median vermis

52
Q

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

A

folia

53
Q

folia=

A

leaves

54
Q

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

A

arbor vitae

55
Q

3 functions of the cerebellum include:

A

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

Anatomy Dissection (39 decks)

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