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MP: Cards (Year 1) > Principles: The Nervous System (1) - Structure > Flashcards

Principles: The Nervous System (1) - Structure Flashcards

1
Q

what muscles are voluntary?

A

skeletal muscle

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2
Q

what muscles are involuntary?

A

smooth, glands and cardiac muscle

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3
Q

what do nerve cells consist of?

A

dendrites, body, myelin sheath and axon

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4
Q

what system does does a nerve have if it has a nucleus and has bundles of axons in a tract?

A

central nervous system

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5
Q

what system does a nerve have if it has a ganglion and has bundles of axons in a nerve?

A

peripheral nervous system

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6
Q

what is a synapse?

A

one neurone communicates with another in a ganglion in the PNS or in a nucleus in the CNS

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7
Q

what does the outmost layer of the cerebral hemispheres consist of?

A

cerebral neocortex

consists of gyro and sulci

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8
Q

what does grey matter contain?

A

cell bodies

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9
Q

what does white matter contain?

A

many axons which are myelinated (gives white appearance)

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10
Q

what does the spinal chord pass through?

A

foramen magnum

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11
Q

what is the spinal chord protected by?

A

vertebral canal

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12
Q

what are the 2 enlargements in the spinal chord called?

A

cervical

lumbosacral

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13
Q

where does the spinal chord terminate?

A

L1/L2 IV disc level

= conus medullaris

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14
Q

what supplies the posterior paramedian strip?

A

posterior rami

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15
Q

what supplies the reminder of the posterior part of the strip, the lateral and the anterior parts of the strips?

A

anterior rami

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16
Q

at what dermatome is the male nipple?

A

T4

17
Q

at what dermatome is the umbilicus?

A

T10

18
Q

what are the 5 nerves that supply the upper limb?

A 
axillary nerve
median nerve
musculocuteous nerve
radial nerve
ulner nerve
19
Q

at what IV level does the sympathetics leave?

A

T1-L2

20
Q

what segments of the spinal chord only have lateral horns?

A

T1- L2

21
Q

where do the parasympathetics leave the CNS?

A

cranial nerves 3, 7, 9 and 10

MP: Cards (Year 1) (21 decks)

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