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Advanced HUBS > Peripheral Nervous System > Flashcards

Peripheral Nervous System Flashcards

1
Q

What makes up the peripheral nervous system?

A

The cranial (12) and spinal (31) nerves

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2
Q

SAME

A

Sensory afferent ASCEND

Motor, efferent

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3
Q

Cranial nerves (12)

A

Oliver’s optimum occupation is tropical trigonometry- absolutely fascinating and awesome but glosses vaguely over accidental hypoglycaemia.

Some say money matters but my brother says big boobs matter most

1.olfactory 2. Optical 3. Occulomotor 4.Trochlear 5.Trigeminal 6. Abducens 7. Facial 8. Auditory (vestibuloccoclear) 9. Glossopharyngeal 10. Vagus 11. Accessory 12. Hypoglossal

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4
Q

Olfactory nerve

A

Sensory. Smell

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5
Q

Optical

A

Sensory. Sight

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6
Q

Occulomotor

A

Motor. Eye movement up, down, up-in. Pupil constriction. Lense shape. Eyelid

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7
Q

Trochlear

A

Motor. Superior oblique muscle. Down and diagonal

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8
Q

Trigeminal

A

Both. Sensory and motor movements to face. Muscles of mastication

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9
Q

Abducens

A

Motor. EYE movement out (lateral rictus muscle)

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10
Q

Facial

A

Both. Sensory and motor. Taste 2/3 and facial expression

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11
Q

Auditory (vestibulococclear)

A

Sensory. hearing and balance

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12
Q

Glossopharyngeal

A

Sensory and motor. Taste 1/3 (back part). Swallowing and salivary secretion

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13
Q

Vagus

A

Both. Sensory and motor. Autonomic Signals to viscera

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14
Q

Accessory

A

Motor. Movement of neck muscles

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15
Q

Hypoglossal

A

Motor. Movement of tongue.

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16
Q

Spinal nerves

A

Exit in pairs from the vertebra.
Cervical above vertebra
Thoracic, lumbar and sacral below

They each supply a region so we can determine which one is malfunctioning from this.

17
Q

Dermatomes

A

Areas of skin supplied by sensory nerve fibres at each level

18
Q

Myotomes

A

Skeletal muscle supplied by motor nerve at each level

19
Q

If stretch reflex is present

A

Spastic paralysis, excessive muscle tone. Damaged upper motor neurone (usually hyperreflex) as they can’t inhibit but the reflex ark is still there.

20
Q

Stretch reflex absent

A

Usually flaccid paralysis
Undertoned
No voluntary movement
Damage to spinal nerve because even sensory information is not conducted.

Advanced HUBS (9 decks)

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