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Principles of Anesthesia 1 (Summer 2023) > Exam 4 (Neuro Lower Body) > Flashcards

Exam 4 (Neuro Lower Body) Flashcards

1
Q

What are the nerves (6) of the Lumbar Plexus, in descending order?

A
  • Iliohypogastric nerve
  • Ilioinguinal nerve
  • Genitofemoral nerve
  • Lateral cutaneous nerve
  • Obturator nerve
  • Femoral nerve
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2
Q

What are the nerves (5) of the Sacral Plexus, in descending order?

A
  • Superior gluteal nerve
  • Inferior gluteal nerve
  • Posterior cutaneous nerve
  • Sciatic nerve
  • Pudendal nerve
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3
Q

Which is the largest lumbar nerve?

A

Femoral nerve

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4
Q

What are the origins for all Lumbar plexus nerves?

A

L1 – L4

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5
Q

What makes up the 3 Superior Pelvic nerves?

A
  • Iliohypogastric nerve
  • Ilioinguinal nerve
  • Genitofemoral nerve
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6
Q

The Genitofemoral nerve generates from what location/s?

A

L1 - L2

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7
Q

Where do the 3 Superior pelvic nerves come out of?

A

The Psoas muscle

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8
Q

Which lumbar plexus nerves have abdominal breathing motor functions?

A
  • Iliohypogastric nerve
  • Ilioinguinal nerve
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9
Q

What does the Genitofemoral nerve split into?

A
  • Genital branch & Femoral branch
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10
Q

The Inguinal ligament attaches to what two points?

A

The pubic symphysis & Anterior superior iliac spine (ASIS)

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11
Q

What structures (5) make up the Femoral Triangle?

A
  • Iliopsoas
  • Adductor Longus
  • Pectineus
  • Sartorius
  • Inguinal ligament
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12
Q

What is the most medial part that passes through the Femoral triangle?

A
  • Femoral vein then femoral artery & femoral nerve is most lateral
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13
Q

What is the primary sensory nerve for the lower leg?

A

Saphenous nerve

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14
Q

What muscles make up the Adductor Canal?

A
  • Adductor Longus (medial)
  • Sartorius (anterior)
  • Vastus Medialis (Inferolateral)
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15
Q

What contents pass through the Adductor Canal?

A
  • Femoral artery
  • Femoral vein
  • Saphenous nerve
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16
Q

What is the anterior thigh nerve called & where does it originate from?

A
  • Lateral Cutaneous Nerve (LCA)
  • Originates from L2 - L3
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17
Q

What nerve innervates the Transverse abdominis & internal oblique muscles?

A

Ilioinguinal nerve

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18
Q

Which Lumbar plexus nerve has no motor function?

A

Lateral cutaneous nerve

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19
Q

Stimulation to which nerve will result in the Cremaster reflex?

A

Genitofemoral nerve
(You get the white cream when you stimulate the Genital nerve lol)

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20
Q

Which nerves pass underneath the Inguinal ligament?

A
  • (F)emoral & (L)ateral Cutaneous nerves
  • (F)lying (L)ow under the inguinal ligament
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21
Q

Which Lumbar plexus nerve runs most medial?

A

Obturator nerve

22
Q

Which Lumbar plexus nerve is mostly motor function?

A

Obturator nerve

23
Q

Which nerve(s) originate from L2 - L4?

A
  • Obturator nerve
  • Femoral nerve
24
Q

Where is the Obturator nerve’s sensory function?

A

Medial part right above the knee

25
Q

What are the sensory branches of the Femoral nerve?

A
  • Anterior cutaneous branch
  • Saphenous nerve
26
Q

What are the sensory locations for the Femoral nerve?

A
  • Anterior thigh
  • Entire medial side of lower leg (below patella to ankle)
27
Q

What is the largest Pelvic Plexus nerve?

A

Sciatic nerve

28
Q

The Superior gluteal nerve originates from ____ & innervates which 3 muscles?

A
  • L4 - S1
  • Innervates Glueteus medius, Gluteus minimus & Tensor fasciae latae
29
Q

True or False, the Superior gluteal nerve is primarily sensory?

30
Q

The Inferior Gluteal nerve originates from ____ & innervates the ____ muscle?

A
  • L5 - S2
  • Gluteus maximus
31
Q

What are the main 4 posterior gluteal cutaneous nerves?

A
  • Superior Clunial nerve
  • Middle Clunial nerve
  • Inferior Clunial nerve
  • Lateral branch of Iliohypogastric nerve
32
Q

The Superior Clunial nerve originates at?

33
Q

The Middle Clunial nerve originates at?

34
Q

Which posterior cutaneous gluteal nerve comes from the sacral plexus branch?

A

The Inferior Clunial nerve

35
Q

Where does the Sciatic nerve originate from?

A
  • L4- S3
  • Sciatic has 7 letters 4 + 3= 7
36
Q

What are the 2 branches of the Sciatic nerve?

A
  • Common fibular nerve (Peroneal nerve)
  • Tibial nerve
37
Q

Which nerve is more lateral, Common fibular nerve or Tibial nerve?

A

Common fibular nerve (Peroneal nerve)

38
Q

What nerve innervates the Hamstring?

A

Posterior Femoral Cutaneous nerve (S1 - S3)

39
Q

The Peroneal nerve originates from?

40
Q

The Tibial nerve originates from?

41
Q

The Peroneal nerve innervates what structures in the leg?

A
  • Lateral calf via Lateral sural cutaneous nerve
  • Top of foot via Medial & Intermediate dorsal cutaneous nerve
  • Between Big toe & 2nd toe via Lateral & Medial cutaneous nerve
42
Q

What are the nerves the peroneal nerve splits into?

A
  • Lateral sural cutaneous nerve
  • Medial & Intermediate dorsal cutaneous nerve
  • Medial & Lateral cutaneous nerve of 2nd & big toe
43
Q

What are the 3 nerve branches of the Tibial nerve?

A
  • Large Cutaneous branch
  • Medial Plantar Nerve
  • Lateral Plantar Nerve
44
Q

Which cutaneous nerve innervates the calf?

A

Medial Sural Cutaneous branch of the Tibial nerve

45
Q

Which cutaneous nerve innervates the calf?

A

Medial Sural Cutaneous branch of the Tibial nerve

46
Q

What are the 3 nerve branches of the Tibial nerve?

A
  • Large Cutaneous branch
  • Medial Plantar Nerve
  • Lateral Plantar Nerve
47
Q

What cutaneous nerves innervate the bottom of the foot?

A
  • Medial & Lateral Plantar nerves
  • (Also called Medial & Lateral Calcaneal branches)
48
Q

Where does the Pudendal nerve originate from?

49
Q

The Pudendal nerve innervates which 3 important areas?

A
  • Pelvic (sensory)
  • Rectum/Colon (motility)
  • Reproductive (especially in men)
50
Q

What are the origins for all Sacral plexus nerves?

Principles of Anesthesia 1 (Summer 2023) (14 decks)

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