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Anatomy > Peripheral Nervous System > Flashcards

Peripheral Nervous System Flashcards

1
Q

What makes up the brain stem

A

Midbrain
Pons
Medulla oblongata

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2
Q

What is the frontal lobe process

A

Motor and high order function

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3
Q

What is the parietal lobe process

A

Sensory and sensory integration

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4
Q

What does the temporal lobe process

A

Auditory, smell and memory processing

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5
Q

What does the occipital lobe process

A

Visual and visual processing

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6
Q

What is the cervical enlargement for

A

Brachial plexus

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7
Q

What is the lumabr enlargement for

A

Lumbosacral plexus

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8
Q

Why are there enlargements

A

Wider and bigger where the limbs are developing there are bunch more nerves

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9
Q

Where does the spinal cord terminate

A

At the level of LII because of differential growth

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10
Q

What is the cauda equina

A

Made up of the spinal nerves that go to the lower lumbar, sacral and coccygeal
Stands for horses tail

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11
Q

What is conus medularis

A

End of spinal chord at L2

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12
Q

What is filum terminale

A

Not a nerve just an extension of pia matter

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13
Q

What is the posterior horn

A

Sensory input

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14
Q

What is lateral horn

A

Leave this way

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15
Q

What is anterior horn

A

This is motor output cell bodies synapses and reads out to the motor units

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16
Q

What is the central canal

A

Ceribum spinal fluid
Protects the spinal cord

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17
Q

Where do cell bodies of peripheral neurons exist

A

Anterior and lateral horns of the gray matter

18
Q

Where are the cell bodies of peripheral sensory neurons

A

The dorsal root ganglion

19
Q

What is Pia matter

A

It is tender/soft mother
Denticulate ligaments because they look like a shark tooth it anchors and stablizeze

20
Q

What is arachnoid matter

A

Spider-like mother
Spider web projections give cerebral spinal fluid

21
Q

What is the Dura Matter

A

Tough hard mother
This is the thick layer protecting

22
Q

In what order are the layers of spinal cord meninges

A

Pia- Arachnoid - Dura

23
Q

What are meninges

A

Tissue layers that wrap around the brain and spinal cord to anchor and protect them

24
Q

Where is the cerebrospinal fluid located

A

In the subarachnoid space

25
Q

Where is the subdural space

A

Below the dural between the arachonid and dura

26
Q

What is a lumbar puncture

A

Targeting subarachnoid space for CSF sample for fast-acting spinal anesthesia
More extreme fast acting or you can use this to draw CF if it is in the blood

27
Q

What is an epidural

A

Targeting epidural space for slow diffusion of anesthetic Absorbed by blood vessles slow diffusion

28
Q

Where do the spinal nerves extend

A

Into the periphery from between vetebrae at each level of the spinal cord

29
Q

Where do the the posterior horn nerves travel

A

There is the posterior dorsal ramus which is motor and sensory to the muscles of the back and skin
Spinal nerve which is motor and sensory
Posterior/dorsal root
Then posterior/dorsal rootlets

30
Q

Where do the nerves go in the anterior process

A

Come from the anterior horn to the anterior rootlets
Then to the anterior root
Then to the spinal nerve
Then to the anterior ramus
Which is motor and sensory to all other muscles and skin

31
Q

What do posterior dorsal horn rootlets and roots cary

A

Sensory

32
Q

What do anterior and ventral horn rootlets and roots carry

A

Motor

33
Q

What do all rami carry

A

Motor and sensory

34
Q

What is a dermatome

A

Area of skin innervated by fibers from a single spinal nerve

35
Q

What is a nerve map

A

Area of skin innervated by a single peripheral nerve

36
Q

Where do sympathetic neurosn arise from

A

The lateral horn of the spinal cord at levels of T1-L2 and join the sympathetic trunk

37
Q

Does the cervical spinal cord have lateral horns

A

No

38
Q

Does the thoracic spinal cord have lateral horns

A

No

39
Q

Where do neurons travel in the sympathetic trunk

A

To carry sympathetic fight flight ot fright acend or decent neurons can enter lower levels and go up

40
Q

What is the difference between the sympathetic and parasympathetic

A

Sympathetic system arises from T1-L2
Parasympathetic is craniosacral it has cranial nerve and a sacral portionf from S2-S4

41
Q

What are functions of cranial nerves

A

General Somatic: Skeletal muscle skin
General Visceral: Blood vessels,glands,intraocular muscles
Special somatic, Vison hearing
Special visceral: Taste and smell

Anatomy (8 decks)

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