Nerves Flashcards

1
Q

What is a tract?

A

A collection fo axons surrounded by connective tissue and blood vessels. Cn Abe a single modality or mixed modality.

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2
Q

Where are spinal nerves found?

A

ONLY in the intervertebral foramen

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3
Q

Why is the posterior rami smaller than the anterior rami?

A

It is supplying a smaller area

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4
Q

TRUE/FALSE

Each spinal nerve is mixed

A

TRUE

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5
Q

What 5 things are included in general sensory?

A
Touch
Temperature
Proprioception
Pain
Vibration
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6
Q

Define named nerve

A

Contain axons from one or more spinal level supplying a particular area

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7
Q

What are the 4 named cutaneous innervation of the trunk?

A

Intercostal nerves
Subcostal nerve
Illiohypogastric & Illioinguinal nerves

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8
Q

What are the named cutaneous innervation of the neck

A

Lesser occipital nerve
Greater auricular nerve
Transverse cervical nerve
Supraclavicular nevre

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9
Q

Badge patch is from which spinal nerve

A

C5

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10
Q

Which spinal nerves supplies the dermatomes to the hand

A

C6- Thumb
C7-Middle finger
C8-Fourth/fifth finger

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11
Q

Groin “hands in pockets” in in the dermatome supplied by which spinal nerve

A

L1

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12
Q

Knee reflex- what innervation?

A

L3

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13
Q

Biceps reflex- what innervation?

A

C5/6

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14
Q

Triceps reflex- what innervation?

A

C7

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15
Q

Ankle- what innervation?

A

S1

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16
Q

Define reflex

A

An involuntary response to stimuli (occurs each time skeletal muscle is stretched- normal muscle tone)

17
Q

What sensory part of the anterior rami don’t contribute to a plexus ?

A

T2-T12

18
Q

What does the cervical plexus supply?

A

Posterior scalp, neck and diaphragm

19
Q

What does the brachial plexus supply?

A

Upper limb

20
Q

What nerve roots are included in the brachial plexus

A

C5-T1

21
Q

What does the lumbar plexus supply?

A

Lower limb

22
Q

What does the sacral plexus supply?

A

Lower limb, gluteal region and perineum

23
Q

What group of nerves run deep to the midpoint of the posterior border of the SCM

A

The cutaneous nerves of the cervical plexus

24
Q

T2-L3 motor axons supply….

A

Postural back muscles

25
Q

What is the only section of the spinal cord with lateral horns?

A

T1-L2

26
Q

TRUE/FALSE
The adrenal medulla presympathetic axons pass through the aorticorenal ganglion to synapse directly adrenaline/noradrenline secreting cells of the adrenal medulla

A

TRUE

27
Q

Which CN’s do the presympathetic axons leave the CNS

A

III
VII
IX
X

28
Q

Triad of Horners

A

Anhydrosis
Ptosis
Myosis

29
Q

Severe headache + Horners=

A

Internal carotid dissection

30
Q

Tight belt syndrome is…

A

Compression neuropathy of the right cutaneous nerve of thigh