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

Exam 4 (Neuro Lower Body) Flashcards

(50 cards)

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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?

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A

Obturator nerve

22
Q

Which Lumbar plexus nerve is mostly motor function?

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A

Obturator nerve

23
Q

Which nerve(s) originate from L2 - L4?

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A
  • Obturator nerve
  • Femoral nerve
24
Q

Where is the Obturator nerve’s sensory function?

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A

Medial part right above the knee

25
What are the sensory branches of the Femoral nerve?
- Anterior cutaneous branch - Saphenous nerve
26
What are the sensory locations for the Femoral nerve?
- Anterior thigh - Entire medial side of lower leg (below patella to ankle)
27
What is the largest Pelvic Plexus nerve?
Sciatic nerve
28
The Superior gluteal nerve originates from ____ & innervates which 3 muscles?
- L4 - S1 - Innervates Glueteus medius, Gluteus minimus & Tensor fasciae latae
29
True or False, the Superior gluteal nerve is primarily sensory?
False
30
The Inferior Gluteal nerve originates from ____ & innervates the ____ muscle?
- L5 - S2 - Gluteus maximus
31
What are the main 4 posterior gluteal cutaneous nerves?
- Superior Clunial nerve - Middle Clunial nerve - Inferior Clunial nerve - Lateral branch of Iliohypogastric nerve
32
The Superior Clunial nerve originates at?
L1 - L3
33
The Middle Clunial nerve originates at?
S1 - S3
34
Which posterior cutaneous gluteal nerve comes from the sacral plexus branch?
The Inferior Clunial nerve
35
Where does the Sciatic nerve originate from?
- L4- S3 - Sciatic has 7 letters 4 + 3= 7
36
What are the 2 branches of the Sciatic nerve?
- Common fibular nerve (Peroneal nerve) - Tibial nerve
37
Which nerve is more lateral, Common fibular nerve or Tibial nerve?
Common fibular nerve (Peroneal nerve)
38
What nerve innervates the Hamstring?
Posterior Femoral Cutaneous nerve (S1 - S3)
39
The Peroneal nerve originates from?
L4 - S2
40
The Tibial nerve originates from?
L4 - S3
41
The Peroneal nerve innervates what structures in the leg?
- 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
What are the nerves the peroneal nerve splits into?
- Lateral sural cutaneous nerve - Medial & Intermediate dorsal cutaneous nerve - Medial & Lateral cutaneous nerve of 2nd & big toe
43
What are the 3 nerve branches of the Tibial nerve?
- Large Cutaneous branch - Medial Plantar Nerve - Lateral Plantar Nerve
44
Which cutaneous nerve innervates the calf?
Medial Sural Cutaneous branch of the Tibial nerve
45
Which cutaneous nerve innervates the calf?
Medial Sural Cutaneous branch of the Tibial nerve
46
What are the 3 nerve branches of the Tibial nerve?
- Large Cutaneous branch - Medial Plantar Nerve - Lateral Plantar Nerve
47
What cutaneous nerves innervate the bottom of the foot?
- Medial & Lateral Plantar nerves - (Also called Medial & Lateral Calcaneal branches)
48
Where does the Pudendal nerve originate from?
S2 - S4
49
The Pudendal nerve innervates which 3 important areas?
- Pelvic (sensory) - Rectum/Colon (motility) - Reproductive (especially in men)
50
What are the origins for all Sacral plexus nerves?
L4 – S4

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

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