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BMS165 > Spinal cord & spinal nerves WK5 L2 > Flashcards

Spinal cord & spinal nerves WK5 L2 Flashcards

1
Q

WHAT ARE THE FUNCTIONS FO THE SPIAL CHOLRD?

A

CONDUCTION - LOCOMOTION - REFLEXES

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2
Q

WHAT DOES THE CONDUCTION SECTION DO?

A

CARRIES INFORMATION TO AND FROM THE BRAIN

BUNDLES OF FIBRES PASSING INFORMATION UP AND DOWN SPINAL CHORD

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3
Q

WHT DOES THE LOCOMOTION FUNCTION DO?

A

CO-ORDINATES MUSCLES GROUPS

POOLS OF NEURONS CONTROLLING FLEXION AND EXTENSION

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4
Q

WHAT DOES THE REFLEX SECTION DO?

A

INVOLUNTARY REFLEXES TO EXTERNAL STIMULI

SPINAL CHORD AND PERIPHERAL NERVES

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5
Q

WHAT IS THE SPINAL CHORD?

A

NERVOUS TISSUES

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6
Q

WHAT IS THE SPINE?

A

THE BONE AROUND THE NERVOUS TISSUES

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7
Q

HOW MANY PAIRS OF SPINAL NERVES IS THERE?

A

31

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8
Q

WHERE DOES THE SPINAL CHORD BEGIN AND END?

A

C1 TO L1

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9
Q

WHAT IS THE CAUDA EQUINA?

A

SACK OF NERVE ROOTS EXTENDING FROM L2 TO S5

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10
Q

WHAT ARE THE FIBROUS LAYERS OF THE SPINAL CHORD?

A

DURA MATER - ARACHNODI MATER - PIA MATER

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11
Q

WHERE IS THE DURA MATER?

A

OUTER LAYER

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12
Q

WHERE IS THE ARACHNOID MATER?

A

INNER LAYER

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13
Q

WHERE IS THE PIA MATER?

A

INNER LAYER

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14
Q

WHAT IS GREY MATTER?

A

PART OF THE CNS BRAIN AND SPINE THAT CONTAINS THE CELL BODIES

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15
Q

WHAT IS WHITE MATTER?

A

AREA THAT CONTAINS MEYLINATED AXONS

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16
Q

WHAT ARE THE SPINAL HORNS?

A

BUTTERFLY SHAPED GREY MATTER INSIDE SPINAL CHORD

POSTERIOR AND ANTERIOR

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17
Q

WHAT IS THE POSTERIOR HORN?

A

POSTERIOR ROOT OF SPINAL NERVE SERVES SENSORY FUNCTION

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18
Q

WHAT IS THE ANTERIOR HORN?

A

ANTERIOR ROOT OF SPINAL NERVE SERVES MOTOR FUNCTION

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19
Q

WHAT ARE THE THREE NERVES OF EACH SPINAL COLUM?

A

SENSORY - INTER - MOTOR

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20
Q

WHAT DO THE SENSORY NERVES DO?

A

REPORT INCOMING INFORMATION TO THE CNS

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21
Q

WHAT DO THE INTER NERVES DO?

A

CONNECT SIGNALS BETWEEN SENSORY AND MOTOR NERVES

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22
Q

WHAT DO THE MOTOR NREVES DO?

A

SEND OUTGOING INFORMATION TO THE PNS FOR THINGS LIKE MOVEMENT

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23
Q

WHERE ARE THE SENSORY NERVES?

A

IN THE POSTERIOR ROOT

24
Q

WHERE ARE THE MOTOR NERVES?

A

IN THE ANTERIOR ROOT

25
Q

WHAT IS ASCENDING?

A

UPWARDS

26
Q

WHAT IS DESCENDING?

A

DOWNWARDS

27
Q

WHAT IS THE ASCENDING PART OF THE SPINE CALLED?

A

SPINO XXXX

28
Q

WHAT IS THE DESCENDING PART OF THE SPINE CALLED?

A

XXXX SPINAL

29
Q

DOES THE SPINAL CHORD HAVE ASCENDING OR DESCENDING CHORDS?

A

BOTH

30
Q

WHAT IS DECUSSITATION?

A

THE ACTION OF THE NERVE FIBRES CROSSING

31
Q

WHAT DOES CONTRALATERALL MEAN?

A

OPPOSITE SIDES

32
Q

WHAT DOES IPSYLATTERAL MEAN?

A

SAME SIDE

33
Q

WHAT IS THE SPINOTHALMAIC PATHWAYS TRACT RESPONSIBLE FOR?

A

PAIN - PRESSURE - LIGHT - TEMPERATURE - TOUCH - TICKLE - ITCH
(ASCENDING TRACTS)

34
Q

HOW MANY ORDER NEURONS ARE THERE IN THE SPINOTHALAMIC TRACT?

A

3 - FIRST ORDER - SECOND ORDER - THIRD ORDER

35
Q

WHAT DO THE FIRST ORDER NEURONS DO?

A

SENSORY RECEPTORS - SKIN TO SPINAL CHORD VIA POSTERIOR ROOT

36
Q

WHAT DO THE SECOND ORDER NEURONS DO?

A

DECUSSATES AT SPINAL CHORD AND PROJECTS UP TO THE BRAIN (THALAMUS)

37
Q

WHAT DO THE THIRD ORDER NEURONS DO?

A

PROJECT FROM THE THALAMOUS TO THE CEREBRAL CORTEX

38
Q

WHAT DO THE ASCENDING PART OF THE SPINE DO?

A

SEND SENSORY RESPONSES TO THE BRAIN

39
Q

WHAT DOES THE DESCENDING PART OF THE SPINE DO?

A

SENDS MOTOTR COMANDS TO THE BODY

40
Q

WHAT IS THE CORTICOSPNIAL PATHWAYS TRACT RESPONSIBLE FOR?

A

PATHWAY WHERE THE BRAIN CONTROLS THE MOVEMEBT OF MUSCLES

DESCENDING TRACTS

41
Q

HOW MANY ORDER NEURONS ARE THERE IN THE CORTICOSPIANL TRACT?

A

2 - UPPER NEURONS - LOWER NEURONS

42
Q

WHAT DO THE UPPER NEURONS DO?

A

FROM CEREBRAL CORTEX TO BRAIN STEM/SPINAL CHORD - MOTOR COMPONENT OF CNS TRANSMITTING FRON BRAIN TO LOWER NEURONS

43
Q

WHAT DO THE LOWER NEURONS DO?

A

FROM SPINAL CHORD TO MUSCLES AND GLANDS - MOTOR COMPONENT CONNECTING TO MUSCLES

44
Q

WHAT DOES A NERVE CONTAIN?

A

BUNDLES OF AXONS WRAPPED IN FASCICLES

45
Q

WHAT ENCASES THE NERVES?

A

EPINEURIUM

46
Q

WHAT ARE INSIDE FASCICLES?

A

INDIVIDUAL AXONS

47
Q

WHAT ARE FASCICLES WRAPPED IN?

A

PERINEURIUM

48
Q

WHAT COATS EACH INDIVIDUAL AXON?

A

ENDONEURIUM

49
Q

HOW MANY CERVICAL VERTEBRAE IS THERE?

A

8

50
Q

HOW MANY THORASIC VERTEBRAE IS THERE?

A

12

51
Q

HOW MANY LUMBAR VERTEBRAE IS THERE?

A

5

52
Q

HOW MANY SACRAL VERTEBRAE IS THERE?

A

5

53
Q

HOW MANY COCCYGEAL VERTEBRAE IS THERE?

A

1

54
Q

HOW MANY PLEXI NERVES ARE THERE?

A

5

55
Q

WHAT ARE THE 5 PLEXI NERVES?

A

CRVICAL - BRACHIAL - LUMBAR - SACRAL - COCCYGEAL

BMS165 (39 decks)

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