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A&P I > Ch 13 The Spinal Cord/Spinal Nerves > Flashcards

Ch 13 The Spinal Cord/Spinal Nerves Flashcards

1
Q

What are the 4 protective barriers of the Spinal Cord?

A
  1. Vetebral Column and Cranium
  2. Meninges
  3. Cerebrospinal Fluid
  4. Blood Brain Barrier
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2
Q

What are the 3 layers of the meninges that encircle the spinal cord and brain (outer to inner order)

A
  • Dura Mater
  • Arachnoid Mater
  • Pia Mater
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3
Q

Which layer of the meninges is the thick layer and is a “tough mother”

A

Dura Mater

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4
Q

which layer of the meninges is spider like

A

Arachnoid Mater

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5
Q

Which layer of the meninges is the “soft mother”

A

Pia Mater

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6
Q

where can the CSF be found in the meninges?

A

Between the dura mater and the archnoid mater

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7
Q

Whats the function of the CSF?

A

Acts as a cushion for spinal cord and brain

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8
Q

To what portion of the spine does the spinal cord end at?

A

L1

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9
Q

To what portion of the spine does the spinal cord end at for newborns?

A

L4

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10
Q

What is conus medullaris?

A

When the spinal cord tapers and ends at L1

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11
Q

This spinal cord anatomy is the extension of the pia mater that fuses with the arachnoid and dura mater to anchor the spinal cord to the coccyx?

A

Filum Terminale

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12
Q

which spinal root is responsible for sensory?

A

Posterior Root

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13
Q

which spinal root is responsible for motor?

A

Anterior Root

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14
Q

The nerve roots connect to this type of matter that is central and is butterflies shaped?

A

Grey Matter

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15
Q

The nerve root that attaches to this type of matter deals with peripheral nerves?

A

White Matter

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16
Q

Which matter communicates with spinal tracts to the brain?

A

White Matter

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17
Q

How many pairs of spinal nerves does the cervical region have

A

8

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18
Q

How many pairs of spinal nerves does the Thoracic region have

A

12

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19
Q

How many pairs of spinal nerves does the Lumbar region have

A

5

20
Q

How many pairs of spinal nerves does the Sacral region have

A

5

21
Q

How many pairs of spinal nerves does the coccygeal region have

A

1

22
Q

Define

This is the area of skin that provides sensory information to a specific spinal level

A

Dermatomes

23
Q

what is it called when a network of axons come together

A

Plexus

24
Q

what are the regions of the plexuses

A
  1. Cervical
  2. Brachial
  3. Lumbar
  4. Sacral
  5. Cocygeal
25
Q

what nerve causes the diaphram to contract?

A

Phrenic Nerve

26
Q

where can the cervical plexus be found in the spine

A

From C1-C5

27
Q

where is the phrenic nerve found

A

From C1-C5

28
Q

Where can you find the bracial plexus?

A

From C5-T1

29
Q

Which plexus provides nerve distributions for the upper extremities

A

Brachial Plexus

30
Q

what is thoracic outlet syndrome

A

compression of brachial plexus, or vascular compression

31
Q

What region of the spine does the Lumbar plexus reside?

A

L1-L4

32
Q

What parts/organs does the lumbar plexus supply

A
  1. Abdomen
  2. External Genitalia
  3. Parts of lower limb
33
Q

what region of the spine does the sacral plexus reside

A

S1-S4

34
Q

what parts of the body does the sacral plexus supply

A
  1. Buttocks
  2. Perineum
  3. Lower Limb
35
Q

where does the coccygeal plexus reside

A

S4, S5, & Coccygeal

36
Q

what region does the coccygeal plexus supply

A

Coccygeal

37
Q

which tracts are considered acending tracts?

A

Sensory tracts

38
Q

which tracts are considered descending tracts

A

Motor tracts

39
Q

where is the reflex arch for Biceps reflex

A

C5

40
Q

where is the reflex arch for Brachiradialis reflex

A

C6

41
Q

where is the reflex arch for Triceps reflex

A

C7

42
Q

where is the reflex arch for Patellar reflex

A

L2-L4

43
Q

where is the reflex arch for Achilles reflex

A

S1

44
Q

This traumatic causes all function to be lost below level of injury

A

complete transection

45
Q

This degeneratice disease is when the immune system attacks the neurolemma of nerves

A

Multiple sclerosis

46
Q

the degenerative disease is called “Lou Gehrig’s disease” and when motor neurons are attacked : results in weakness & atophy

A

Amyotrophic Lateral Sclerosis

47
Q

This disease is an acute infection of the peripheral nerve that comes from the spinal nerve, usuall caused by herpes zoster

A

Shingles

A&P I (13 decks)

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