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BMS165 > Brain structure and function WK5 L4 > Flashcards

Brain structure and function WK5 L4 Flashcards

1
Q

WHAT ARE THE MAJOR BRAIN REGIONS?

A

CEREBURM
DIENCEPHALON
MINDBRAIN
HINDBRAIN

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2
Q

WHAT DOES ENCEPHALON MEAN?

A

OF THE BRAIN

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3
Q

WHAT ARE THE GYRI?

A

FOLDS IN THE BRAIN

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4
Q

WHAT ARE THE SULCI?

A

GROOVES IN THE BRAIN

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5
Q

WHAT IS THE CORTEX?

A

SURFACE LAYER OF GREY MATTER

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6
Q

WHAT IS THE NUCELI?

A

DEEPER MASSES OF GREY MATTER

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7
Q

WHAT ARE THE TRACTS?

A

BUNDLES OF AXONS / WHITE MATTER

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8
Q

WHAT ARE THE CONNECTIVE TISSUE MEMBRANES AROUND THE CNS?

A

DURA MATER
ARACHNOID MATER
PIA MATER

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9
Q

WHAT IS THE DURA MATER?

A

OUTERMOST TOUGHEST MEMBRANE

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10
Q

WHAT IS THE ARACHNOID MATER?

A

MIDDLE LAYER

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11
Q

WHAT IS THE PIA MATER?

A

INNER LAYER DIRECTLY ADHERED TO BRAIN TISSUES

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12
Q

HOW MANY VENTRICLES ARE IN THE BRAIN?

A

4

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13
Q

WHERE ARE THE 1ST AND 2ND VENTRICLES IN THE BRAIN?

A

LATERAL VENTRICLES IN HEMISPHERES

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14
Q

WHERE IS THE 3RD VENTRICLE?

A

VERTICLE SPACE UNDER CORPUS CALLOSUM / UNDERNEATH LATERAL VENTRICLES

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15
Q

WHERE IS THE 4TH VENTRICLE?

A

BETWEEN PONS AND CEREBELLUM / UNDERNEATH 3RD VENTRICLE

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16
Q

HOW IS THE CSF PRODUCED?

A

WITHIN BRAIN VENTRICLES BY CHOROID PLEXUS

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17
Q

WHAT DOES CSF CONTAIN?

A

HORMONES AND NUTRIENTS

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18
Q

WHAT IS THE BLOOD BRAIN BARRIER?

A

SYSTEM COMPOSED OF MICROVASCULAR ENDOTHELIAL CELLS

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19
Q

WHAT DOES THE BLOOD BRAIN BARRIER DO?

A

SHEILD THE BRAIN FROM TOXIC SUBSTANCES IN BLOOD - SUPPLIES NUTRIENTS - FILTERS HARMFUL SUBSTANCES BACK INTO BLOOD STREAM

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20
Q

IS THE BRAN PERMIABLE TO LIQUIDS?

A

YES

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21
Q

WHERE ARE THE BLOOD BRAIN BARRIER BREAKS?

A

IN THE 3RD AND 4TH VENTRICLE

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22
Q

WHAT DOES THE MEDULLA OBLONGATA DO?

A

CONTROL CENTER FOR VITAL FUNCTIONS LIKE: RATE AND FORCE OF HEARTBEAT
BLOOD VESSEL DIAMETER
RATE AND DEPTH OF BREATHING
COUGHING - SNEEZING - GAGGING - VOMITING - SALAVATION - SWEATING
MOVEMENTS OF HEAD AND TONGUE

23
Q

WHERE IS THE MEDULLA OBLONGATA?

A

LOWEST PART OF BRAIN BETWEEN PONS AND SPINAL CHORD

24
Q

WHAT ARE THE CRANIAL NERVES OF THE MEDULLA OBLONGATA?

A

IX - 9
X - 10
XI - 11
XII - 12

25
Q

WHAT DOES THE PONS DO?

A

POSTURE - SLEEP - HEARING - BALANCE - TATSE - EYE MOVEMENTS - FACIAL EXPRESSIONS - FACIAL SENSATION - RESPIRATION - SWALLOWING

26
Q

WHERE IS THE PONS?

A

ABOVE MEDULLA OBLONGATA

27
Q

WHAT ARE THE CRANIAL NERVES OF THE PONS?

A

V - 5
VI - 6
VII - 7
VIII - 8

28
Q

WHAT DOES THE MID BRAIN CONTAIN?

A

HOLDS INFERIOR AND SUPERIOR COLLICULI
BASAL NUCLEI
NUCELI RESPONSIBLE FOR CONTROLS LEVELS OF AROUSAL AND CONSCIOUSNESS

29
Q

WHAT DOES INFERIOR AND SUPERIOR COLLICULI DO?

A

VISUAL & AUDITORY REFLEXES

30
Q

WHAT DOES THE BASAL NUCLEI DO?

A

INVOLVED IN REGULATING VOLUNTARY MOVEMENTS

31
Q

WHERE IS THE MIDBRAIN ?

A

BETWEEN DIANCEPHALON AND PONS

32
Q

WHAT ARE THE CRANIAL NERVES OF THE ?

A

III - 3

IV - 4

33
Q

WHAT DOES THE CEREBELLUM (LITTLE BRAIN) DO?

A

LARGEST PART OF HIND BRAIN - RESPONSIBLE FOR MUSCLE COORDINATION & MOTOR LEARNING - POSTURE & BALANCE & MUSCLE TONE - FINE CO ORDINATION

34
Q

WHERE IS THE IS THE CEREBELLUM?

A

POSTERIOR UNDER LOBES

35
Q

WHAT IS IN THE DIENCEPHALON?

A

THALAMUS - HYPOTHALAUMUS - HYPERTHALAMUS - PINEAL GLAND

36
Q

WHAT DOES THE THALAMUS DO?

A

RELAY CENTER - RECEIVES ALL SENSORY INFO (EXCEPT SMELL) ON WAY TO CEREBRAL CORTEX - RELEAYS MOTOR INFORMATION FROM BASAL NUCELI TO CEREBRAL CORTEX FROM CEREBEULLUM TO MOTOR CORTEX FOR MOVEMENT CO ORDINTATION

37
Q

WHERE IS THE THALAMUS?

A

BETWEEN MIDBRIN AND CEREBELLUM

38
Q

WHAT DOES THE HYPOTHALAMUS DO?

A

CENTER FOR HOMEOSTASIS - HORMONE SECRETION - CONTROL OF AUTONOMIC NERVOUS SYSTEM - THERMO REGULATION - HUNGER AND THIRST - SLEEP AND CARCADIAN RHYTHMS - EMOTIONAL BEHAVIOUR - LIBIDO

39
Q

WHERE IS THE HYPOTHALAMUS?

A

BELOW THALAMUS UNDER PITUITARY GLANDS

40
Q

WHAT DOES THE EPITHALAMUS DO?

A

CONNECTED TO LIMBIC SYSTEM -CONNECTING POINT FOR DIACENPHALIC CONDUCTION SYSTEM

41
Q

WHERE IS THE EPITHALAMUS?

A

POSTERIOR TO HYPOTHALAMUS AND THALAMUS

42
Q

WHAT DOES THE PINEAL GLAND DO?

A

PLAYS ROLES IN CIRCADIAN RHYTHMS - PRODUCES MELATONIN - PART OF ENDOCRINE SYSTEM

43
Q

WHERE IS THE PINEAL GALND?

A

PINE CONE SHAPED GLAND IN CENTER OF BRAIN

44
Q

WHAT IS THE CEREBRUM?

A

80% BRAIN MASS IN HUMANS - CONSISTS OF BOTH HEMISPHERES

45
Q

WHAT DOES THE CEREBRUM DO?

A

RESPONSIBLE FOR HIGHER MENTAL FUNCTIONS

46
Q

WHAT ARE THE LOBES OF THE CEREBRUM?

A

FRONTAL - PARIETAL - OCCIPTAL - TEMPORAL (PAIRED)

47
Q

WHAT DOES THE FRONTAL LOBE DO?

A

VOLUNTARY MOTOR FUNCTIONS - PLANNING - MOOD - SMELL - SOCIAL JUDGEMENT

48
Q

WHAT DOES THE PARIETAL LOBE DO?

A

RECEIVES AND INTEGRATES SENSORY INFORMATION

49
Q

WHAT DOES THE OCCIPITAL LOBE DO?

A

VISUAL CENTRE OF THE BRAIN

50
Q

WHAT DO THE TEMPORAL LOBES DO?

A

AREA FOR HEARING - SMELL - LANGUAGE - EMOTIONAL BEHAVIOUR

51
Q

WHAT IS THE LIMBIC SYSTEM?

A

LOOP OF CORTICAL STRUCTURES ON EITHER SIDE OF THE THALAMUS BENEATH CEREBRUM

52
Q

WHAT DOES THE LIMBIC SYSTEM DO?

A

CONTROLS EMOTIONS

53
Q

WHAT ARE THE CRANIAL NERVES?

A

I - 1 - OLFACTORY NERVE - SENSE OF SMELL
II - 2 - OPTIC NERVE - SENSE OF VISION
III - 3 - OCULOMOTOR - EYEBALL/EYELID MOVEMENT
IV - 4 - TROCHLEA NERVE - OBLIQUE EYE MOVEMENT
V - 5 - TRIGEMINAL NERVE - FACE SENSORS / CHEWING
VI - 6 - ABDUCENS NERVE - LATERAL EYE MOVEMENT
VII - 7 - FACIAL NERVE - SENSORY TONGE TASTE 1&2/3 / FACIAL MOTOR
VIII - 8 - VESTIBULOCOCHLEAR NERVE- SENSORY BALANCE / HEARING
IX - 9 - GLOSSOPHARANGEAL NERVE - SENSORY TONGE TASTE 3/3 / PHARANYX MOVEMENT
X - 10 - VAGUS NERVES - SENOSRY OF VISCERL ORGANS / MOTOR FOR VISCERL ORGANS
XI - 11 - ACCESSORY NERVES - MOTOR HEAD NECK AND SHOULDERS
XII - 12 - HYPOGLOSSAL NERVE - MOTOR MOVEMENTS FOR TONGUE FOR SPEACH / FOOD MANIPULATION

BMS165 (39 decks)

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