Spinal Anatomy PNS & ANS 21% (Plexus') Flashcards

1
Q

What are the cutaneous (superficial) branches of the cervical plexus? (4)

A
  1. Lesser occipital
  2. Greater auricular
  3. Transverse cervical
  4. Supraclavicular
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2
Q

Which of the cutaneous (superficial) branches of the cervical plexus is sensory to the Ear & Parotid gland?

a. Lesser occipital
b. Greater auricular
c. Transverse cervical
d. Supraclavicular (ant. middle, & post.)

A

b. Greater auricular

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3
Q

Which of the cutaneous (superficial) branches of the cervical plexus is sensory to the shoulder & anterior chest?

a. Lesser occipital
b. Greater auricular
c. Transverse cervical
d. Supraclavicular (ant. middle, & post.)

A

d. supraclavicular (ant. middle, post.)

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4
Q

Which of the cutaneous (superficial) branches of the cervical plexus is sensory to the psoterolateral neck?

a. Lesser occipital
b. Greater auricular
c. Transverse cervical
d. Supraclavicular (ant. middle, & post.)

A

a. lesser occipital

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5
Q

Which of the following cutaneous (superificial) branches of the cervical plexus is sensory to the anterior and lateral neck?

a. Lesser occipital
b. Greater auricular
c. Transverse cervical
d. Supraclavicular (ant. middle, & post.)

A

c. Transverse cervical

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6
Q

What is the spinal root for the lesser occipital cutaneous (superficial) branch of the cervical plexus?

a. C2, C3
b. C1, C2
c. C2, C3, C4

C3, C4

A

a. C2, C3

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7
Q

what is the spinal root of the Greater auricular cutaneous (superficial) branch of the cervical plexus?

a. C2, C3
b. C1, C2
c. C2, C3, C4

C3, C4

A

a. C2, C3

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8
Q

What is the spinal root of the transverse cervical cutaneous (superficial) branch of the cervical plexus?

a. C2, C3
b. C1, C2
c. C2, C3, C4

C3, C4

A

a. C2, C3

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9
Q

What is the spinal root for the Supraclavicular (ant. middle, post.) cutaneous (superficial) branch of the cervical plexus?

a. C2, C3
b. C1, C2
c. C2, C3, C4
d. C3, C4

A

d. C3, C4

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10
Q

What are the Motor (deep) branches of the cervical plexus?

A
  1. Ansa cervicalis (superior and inferior roots)
  2. Segmental branches
  3. Phrenic
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11
Q

Which of the motor (deep) branches of the cervical branches is motor to the Neck & scalenes, levator, traps, and SCM?

a. Ansa cervicalis (sup. and inf. roots)
b. Segmental branches
c. Phrenic

A

b. Segmental branches

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12
Q

Which of the motor (deep) branches of the cervical plexus is motor to the geniohyoid & infrahyoid muscles of the neck?

a. Ansa cervicalis (sup. and inf. roots)
b. Segmental branches
c. Phrenic

A

a. Ansa cervicalis (sup. and inf. roots)

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13
Q

Which motor (deep) branch of the cervical plexus is motor to the diaphragm?

a. Ansa cervicalis (sup. and inf. roots)
b. Segmental branches
c. Phrenic

A

c. Phrenic

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14
Q

What are the spinal roots to the ansa cervicalis motor (deep) branch of the cervical plexus?

a. C1 - C3
b. C1 -C4
c. C1 - C5
d. C2 - C5
e. C3 - C5

A

b. C1 - C4

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15
Q

What are the spinal roots of the segmental branches of the motor (deep) branches of the cervical plexus?

a. C1 - C3
b. C1 -C4
c. C1 - C5
d. C2 - C5
e. C3 - C5

A

c. C1 - C5

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16
Q

What are the spinal roots of the phrenic motor (deep) branch of the cervical plexus?

a. C1 - C3
b. C1 -C4
c. C1 - C5
d. C2 - C5
e. C3 - C5

A

e. C3, C4,C5 keep the diaphragm ALIVE

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17
Q

C3, C4, C5, ____________ ___ ____________ ________

A

keep the diaphragm alive

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18
Q

What are the six branches of the lumbar plexus?

A
  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
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19
Q

What branch of the lumbar plexus is sensory to the thigh, leg, foot, hip and knee joint?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. femoral
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20
Q

What branch of the lumbar plexus is motor to the anterior thigh, psoas, pectineus, and iliacus?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. femoral
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21
Q

Which branch of the lumbar plexus is sensory to the medial thigh & hip joint?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. obturator
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22
Q

Which branch of the lumbar plexus is motor to the adductors, gracilis & obturator externus?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. Obturator
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23
Q

Which branch of the lumbar plexus is sensory to the lateral thigh, and sends branches to the peritoneum?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. lateral femoral cutaneous
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24
Q

Which branch or the lumbar plexus is sensory to the lower abdomen, lower back & hip, anterolateral abdominal wall & pubic region?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. iliohypogastric
25
Q

What branch of the lumbar plexus is sensory to teh external genitalia, thigh & abdominals?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A
  1. ilioinguinal
26
Q

Which branch of the lumbar plexus is sensory to the scrotum, labia, thigh & cremasterics?

  1. femoral
  2. obturator
  3. Lateral femoral cutaneous
  4. Iliohypogastric
  5. ilioinguinal
  6. genitofemoral
A

Genito femoral

27
Q

What are the spinal roots of femoral branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

d. L2, L3, L4

28
Q

What are the spinal roots of the obturator branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

d. L2, L3, L4

29
Q

What are the spinal roots of the Lateral Femoral cutaneous branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

c. L2, L3

30
Q

How can you remember what the spinal roots are for the lateral femoral cutaneous nerve are?

A

She is 23 and cute for me

31
Q

What are the spinal roots for the iliohypogastric branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

a. L1

32
Q

What are the spinal roots for the ilioinguinal branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

a. L1

33
Q

What are the spinal roots for the genitofemoral branch of the lumbar plexus?

a. L1
b. L1, L2
c. L2, L3
d. L2, L3, L4

A

b. L1, L2

34
Q

What are the branches of the sacral plexus?

A
  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
35
Q

Which branch of the sacral plexus splits to give motor function to the tibial and common peroneal nerves?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Sciatic Nerve
36
Q

What branch of the sacral plexus gives sensory supply to the posterior leg and foot?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. tibial
37
Q

What branch of the sacral plexus gives motor supply to ALL muscles of the back of the thigh, leg and foot?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Tibial
38
Q

What branch of the sacral plexus gives sensory supply to the anterior leg and dorsum of the foot?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Common peroneal (aka common fibular)
39
Q

What branch of the sacral plexus gives motor supply to the peroneals, tibialis ant., extension of the toe?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. common peroneal (aka common fibular)
40
Q

What branch of the sacral plexus gives motor supply to the lateral compartment of the LEG?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Superficial Peroneal (aka superficial Fibular)
41
Q

Which branch of the sacral plexus gives motor supply to the anterior compartment of the leg?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Deep peroneal
42
Q

which branch of the sacral plexus gives motor supply to the gluteus medius, minimus and TFL?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. superior gluteal
43
Q

Which branch of the sacral plexus gives motor supply to the gluteus maximus?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Inferior gluteal
44
Q

Which branch of the sacral plexus gives sensory supply to the peineum?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Pudendal
45
Q

Which branch of the sacral plexus gives motor supply to the external anal sphincter?

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. pudendal
46
Q

What are the spinal roots for the pudendal branch of the sacral plexus?

A

S2 -S4 keep it off the floor

47
Q

Name the spinal roots for the following branches of the sacral plexus:

  1. Sciatic Nerve
  2. Tibial
  3. Common Peroneal (aka common fibular)
  4. Superficial Peroneal (aka superficial Fibular)
  5. Deep peroneal
  6. superior gluteal
  7. inferior gluteal
  8. Pudendal
A
  1. Sciatic Nerve: L4, L5, S1-S3
  2. Tibial: L4 - S3
  3. Common Peroneal (aka common fibular): L4 - S2
  4. Superficial Peroneal (aka superficial Fibular): L4 - S2
  5. Deep peroneal: L4 - S2
  6. superior gluteal: L4, L5, S1
  7. inferior gluteal: L5 - S2
  8. Pudendal: S2 - S4 (keep it off the floor)
48
Q

What are the branches of the brachial plexus?

A
  1. Musculocutaneous
  2. Axillary
  3. Radial
  4. Median
  5. Ulnar
49
Q

M.A.R.M.U. = ?

A

Branches of the brachial plexus:

  1. Musculocutaneous
  2. Axillary
  3. Radial
  4. Median
  5. Ulnar
50
Q

To learn the brachial plexus learn to draw the diagragm from Gross anatomy 1

A

!!!!

51
Q

What are groups of neuron cell bodies called?

A

ganglia

52
Q

Peripheral nerves are:

a. mostly myelinated
b. mostly unmyelinated

A

a. mostly myelinated

53
Q

What is a single axon in a peripheral nerve?

A

nerve fiber

54
Q

Which cells are found at the posterior root ganglion?

a. multipolar cells
b. unipolar cells

A

b. unipolar cells

55
Q

Which cells are found in the retina & sensory ganglia of cochlear & vestibular nerves?

a. multipolar cells
b. unipolar cells

A

a. multipolar cells

56
Q

What are myelinatic cells in the PNS?

A

Schwann cells

57
Q

what is the myelin called in the PNS?

A

Nodes of Ranvier

58
Q

How can you remember it is schwann cells that myelinate in the PNS?

A

P.S. I love you my SCHWANN

59
Q
A