SEM 1 : Peripheral Nervous system

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What type of innervation does the dorsal root ganglion supply
all sensory
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What type of innervation does the ventral root supply
all motor
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What type of innervation does the spinal nerves supply
motor and sensory
3 of 31
where does the posterior primary ramus supply
paravertebral muscles and overlying posterior skin
4 of 31
where does the anterior primary ramus supply
limbs, body wall and anterolateral skin
5 of 31
what is the distribution of spinal nerves
C: 8, T:12, L: 5 S: 5 CO: 1
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At what level does the spinal chord terminate
L1-2
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in what direction do the spinal nerves leave the spinal chord
cervical = lateral, others= obliquely
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define dermatomes
an area of skin supplied by nerves from a single spinal root
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what is the order of the menages
Dura Arachnoid Pia
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where is the subarachnoid space
between the Arachnoid and Pia
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where is the ligament denticulatum
between the Pia covering dorsal root and ventral root
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where does the anterior spinal artery run
subarachnoid space
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where does the posterior spinal artery run
subarachnoid space
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what are the origins of the sympathetic chain
T1-5
15 of 31
what does the phrenic nerve supply and where does it originate
C3-5, diaphragm, the pericardium and the mediastinal part of the parietal pleura
16 of 31
what is the ansa cervicalis
nerves supplying the strap muscle of the neck
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where do the cervical cutaneous branches supply
the posterior neck
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what are the branches of the cervical plexus
cutaneous, ansa cervicali, phrenic
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what is the origin of the cervical plexus
C1-4/5
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what is the order of the brachial plexus
5 roots, 3 trunks, 2 divisions, 3 cords, 5 branches
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what is the origin of the brachial plexus
C5-T1
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what are the branches of the brachial plexus
muculocutaneous, axillary, radial, median, ulnar
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what is the origin of the lumbosacral plexus
L1-S3
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what are the branches of the lumbosacral plexus
lumbar plexus, lumbosacral trunk, sacral plexus
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what is the origin of the femoral nerve
L2-L4
26 of 31
what does the femoral nerve supply
quadriceps
27 of 31
what does the obturator nerve supply
adductors
28 of 31
what is the origin of the obturator nerve
L2-L4
29 of 31
what is the origin of the sciatic nerve
L4-S3
30 of 31
what branches arise from the sciatic nerve
within the calf: common fibular (peritoneal) to anterior leg and tibial to calf and hamstrings
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Other cards in this set

Card 2

Front

What type of innervation does the ventral root supply

Back

all motor

Card 3

Front

What type of innervation does the spinal nerves supply

Back

Preview of the front of card 3

Card 4

Front

where does the posterior primary ramus supply

Back

Preview of the front of card 4

Card 5

Front

where does the anterior primary ramus supply

Back

Preview of the front of card 5
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