Final- Regional Neuroanatomy Part 2 (Revised copy of Andy C's cards) Flashcards
What provides motor and sensory innervation for the pelvis and lower limbs? (select 3)
a.) lumbosacral Plexus
b.) Thoracic Plexus
c.) Lumbar Plexus
d.) Sacral Plexus
- a.) Lumbosacral plexus
- c.) Lumbar plexus (superior)
- d.) Sacral plexus (inferior)
What spinal nerves contribute to the lumbosacral plexus?
a.) T11- L 2
b.) T12 - L3
c.) L1 - S4
d.) L2 - L5
- c.) Spinal Nerves L1 to S4.
What spinal nerves contribute to the lumbar plexus?
a.) L2 - L5
b.) L1 - L4
c.) T12 - L3
d.) T11 - L2
- b.) Spinal Nerves L1 to L4
What spinal nerves contribute to the sacral plexus?
a.) L1 - S1
b.) L2 - S2
c.) L3 - S3
d.) L4 - S4
- d.) Spinal Nerves L4 to S4.
True of false
The lumbosacral plexus is an interconnected mesh of spinal nerves
true
Name the Plexus that these 6 nerves make up?
* Iliohypogastric nerve (L1)
* Ilioinguinal nerve (L1)
* Genitofemoral nerve (L1-L2)
* Lateral cutaneous nerve of the thigh (L2-L3)
* Obturator nerve (L2-L4)
* Femoral nerve (L2-L4)
a.) Lumbar Plexus
b.) Sacral Plexus
c.) Lumbosacral Plexus
a.) Lumbar Plexus
What is the largest diameter nerve in the lumbar plexus?
a.) Genital-Femoral
b.) Ilioinguinal
c.) Cutaneous
d.) Femoral
- d.) Femoral nerve
What are the 3 superior pelvic nerves? (select 3)
a.) Femoral
b.) Iliohypogastric
c.) Ilioinguinal
d.) Genitofemoral
- b.) Iliohypogastric nerve
- c.) Ilioinguinal nerve
- d.) Genitofemoral nerve
What muscle do the 3 superior pelvic nerves originate from?
a.) Internal Oblique Muscle
b.) Psoas Major Muscle
c.) Cremaster Muscle
d.) Transverse Abdominal Muscle
- b.) Psoas major muscle
The Iliolhypogastric nerve will provide sensory innervation to what parts of the body and what branch? (Select 2)
a.) Small part of the lateral pelvis/hip ……….. lateral cutaneous branch
b.) Front, superficial part of the thigh …………… anterior cutanesou branch
c.) Anterior portion of the reproductive system …………… anterior cutaneous branch
d.) Medial part of the inner thigh……….lateral cutaneous branch.
- a.) Small part of the lateral pelvis/hip through the lateral cutaneous branch
- c.) Anterior portion of the reproductive system through the anterior cutaneous branch
What muscles will have motor innervation through the iliohypogastric nerve? (Select 2)
a.) External Abdominus
b.) Rectus Abdominus
c.) Transverse Abdominus
d.) Internal Abdominus
- c.) Transverse abdominis *(may be utilized when breathing under labor/stress) *
- d.) Internal abdominis muscles
The Ilioinguinal nerve will provide sensory innervation to what parts of the body? (Select 2)
a.) Internal Oblique Muscle
b.) Medial Upper Quadricep Muscle
c.) Transverse Abdominal Muscle
d.) Right above the Reproductive Organs
- b.) Medial upper quadricep muscle (Inferior Branch)
- d.) Right above the reproductive organs (Superior Branch)
What muscle group will have motor innervation through the ilioinguinal nerve?
a.) Internal Oblique muscle
b.) Rectus Abdominus Muscle
c.) External Oblique Muscle
d.) Gluteus Maximus
- a.) Internal oblique muscle
accessoy muscle of breathing
The genitofemoral nerve branches off into what two nerves? (select 2)
a.) Lateral Cutaneous Branch
b.) Inguinal Branch
c) Femoral Branch
d.) Genital Branch
- c.) Femoral branch
- d.) Genital branch
What muscles in men will have motor innervation through the genitofemoral nerve?
a.) Gluteus Medius
b.) Cremaster Muscle
c.) Pectinueus Muscle
d.) Iliopsoas Muscle
- b.) Cremaster muscle/ Reflex
of the scrotum
What ligament is attached to the pubic tubercle?
a.) Pubic symphysis ligament
b.) Iliolumbar Ligament
c.) Inguinal Ligament
d.)Sacrospinous ligamen
- c.) Inguinal Ligament
What are two attachment points for the inguinal ligament? (select 2)
a.) Vastus Medialis
b.) Anterior Superios Iliac Spine (ASIS)
c.) Pubic Tubercle
d.) Sartorius
- b.) Anterior Superior Iliac Spine (ASIS)
- c.) Pubic Tubercle
A horizontal line across the iliac crest will indicate what landmark on the spine?
a.) L1 - L2 border
b.) L2 - L3 border
c.) L3 - L4 border
d.) L4 - L5 border
- d.) The border of L4 and L5
Name the landmark that the Iliopsoas Muscle, Sartorius Muscle, Pectineus Muscle and Adductor Lingus make up.
a.) IJ Triangle
b.) Subclaviam Triangle
c.) Popliteal Triangle
d.) Femoral Triangle
d.) Femoral Triangle
Match the position of the femoral nerve, femoral artery, and femoral vein in the Femoral Triangle.
- Femoral Nerve: Lateral [1:B]
- Femoral Artery: Central [2:C]
- Femoral Vein: Medial [3:A]
N-A-V
These structures are about 1 cm apart from each other.
What wraps around the femoral nerve, artery, and vein?
- a.) Femoral Pouch
- b.) Femoral Wrapping
- c.) Femoral Scabbered
- d.) Femoral Sheath
- d.) Femoral sheath
What nerve is responsible for the sensory innervation of the lower leg?
a.) Saphenous Nerve
b.) Femeral Nerve
c.) Sciatic Nerve
d.) Cutaneous Nerver
- a.) Saphenous Nerve
Saphenous Nerve is branched off the femoral nerve; leaves motor function intanct = good target for procedures
The adductor canal is between what two muscles? (select 2)
a.) Superior Thigh Muscle
b.) Anterior Thigh Muscle
c.) Lateral Thigh Muscle
d.) Medial Thigh Muscle
b.) Anterior Thigh Muscle
d.) Medial Thigh Muscle
The adductor canal is also inferior to the femoral triangle.
What are the three muscles that surround the adductor canal? (select 3)
a.) Quadricep Femoris
b.) Satorius
c.) Adductor Longus
d.) Vastus Medialis
- b.) Sartorius Muscle
- c.) Adductor Longus
- d.) Vastus Medialis
Which nerve provides sensory information to the lateral anterior thigh?
a.) Anterior Cutansous Nerve
b.) Lateral Cutaneous Nerve
c.) Medial Cutaneous Nerve
d.) Posterior Cutaneous Nerve
- b.) Lateral Cutaneous Nerve (LCA)
L2-L3 Origin
The obturator nerve serves primarily as a motor neuron. What muscles does the obturator nerve innervate? (select all that apply)
a) Obturator externus
b) Adductor longus
c) Adductor brevis
d) Gracilis
e) Pectineus
f) Adductor magnus
a) Obturator externus
b) Adductor longus
c) Adductor brevis
d) Gracilis
e) Pectineus
f) Adductor magnus
L2-L4 Origin
Where would the obturator nerve provide sensory innervation?
a.) Medial thigh above knee
b.) Lateral thigh, lateral knee
c.) Superior thigh, below knee
d.) Posterior thigh, medial knee
- a.) There is a small cutaneous branch on the medial thigh just above the knee.
Common part of block for knee procedures
What ligament will the femoral nerve sit right under?
a.) Sacrospinous ligament
b.) Inguinal Ligament
c.) Iliolumbar ligamen
d.) Sacrotuberous ligament
*b.) Inguinal Ligament
The femoral nerve will innervate what four muscles in the leg? (select all that apply)
a) Iliopsoas
b) Pectineus
c) Sartorius
d) Quadricep femoris
a) Iliopsoas
b) Pectineus
c) Sartorius
d) Quadricep femoris
Technically 7 muscles in total
What are the sensory branches of the femoral nerve? (select 2)
a.) Sciatic Nerve
b.) Pudendal Nerve
c.) Anterior Cutaneous branch of femoral Nerve
d.) Saphenous Nerve
- c.) Anterior cutaneous branch of the femoral nerve
- d.) Saphenous nerve (more important of the two branches)
What are the three gluteal muscles? (select 3)
a.) Gluteus Maximus
b.) Gluteous Minimus
c.) Gluteus Lateralis
d.) Gluteus Medius
- a.) Gluteus Maximus
- b.) Gluteus Minimus
- d.) Gluteus Medius
What muscles does the superior gluteal nerve innervate? (Select 3)
a.) Gluteus Maximus
b.) Gluteus Medius
c.) Gluteus Minimus
d.) Tensor Fasciae Latae
- b.) Gluteus Medius
- c.) Gluteus Minimus
- d.) Tensor Fasciae Latae
Primarily motor
What muscles does the inferior gluteal nerve innervate?
a.) Gluteus Maximus
b.) Gluteus Medius
c.) Gluteus Minimus
d.) Tensor Fasciae Latae
- a.) Gluteus Maximus
Primarily motor
What four main nerves provide sensory innervation to the gluteal region? (select 4)
* a.) Superior Clunial Nerve
* b.) Sciatic Nerve
* c.) Middle Clunial Nerve
* d.) Inferior Clunial Nerve
* e.) Femoral Nerve
* f.) Lateral Branch of Iliohypogastric Nerve
- a.) Superior Clunial Nerve
- c.) Middle Clunial Nerve
- d.) Inferior Clunial Nerve
- f.) Lateral Branch of Iliohypogastric Nerve
The superior clunial nerve is formed by what spinal nerves?
a.) iliohypogastric
b.) Posterior Femeral Cutaneous
c.) Posterior Rami S1 - S3
d.) Posterior Rami L1 - L3
- d.) Posterior Rami of L1 to L3
The middle clunial nerve is formed by what spinal nerves?
a.) iliohypogastric
b.) Posterior Femeral Cutaneous
c.) Posterior Rami S1 - S3
d.) Posterior Rami L1 - L3
- c.) Posterior Rami of S1 to S3
The inferior clunial nerve arises from what nerve?
a.) iliohypogastric
b.) Posterior Femeral Cutaneous
c.) Posterior Rami S1 - S3
d.) Posterior Rami L1 - L3
- b.) Posterior femoral cutaneous (branch of the sacral plexus)
The sciatic nerve is a combo of what two nerves? (select 2)
a.) Pudendal Nerve S2 - S4
b.) Tibial Nerve L4 - S3
c.) Inferior Gluteal Nerve L5 - S2
d.) Common Fibular Nerve L4 - S2
- b.) Tibial Nerve (L4 to S3)
- d.) Common Fibular Nerve (L4 to S2)
What is the largest nerve in the body in terms of diameter?
a.) Obturator Nerve
b.) Femoral Nerve
c.) Sciatic Nerve
d.) Pudendal Nerve
- c.) Sciatic Nerve
Label 1
a.) Deep Fibular Nerve
b.) Common Fibular Nerve (Peroneal Nerve)
c.) Sciatic Nerve
d.) Superficial Fibular Nerve
- c.) Sciatic nerve
Label 2
a.) Deep Fibular Nerve
b.) Common Fibular Nerve (Peroneal Nerve)
c.) Sciatic Nerve
d.) Superficial Fibular Nerve
- b.) Common fibular nerve (peroneal nerve)
Label 3
a.) Deep Fibular Nerve
b.) Common Fibular Nerve (Peroneal Nerve)
c.) Sciatic Nerve
d.) Superficial Fibular Nerve
- a.) Deep fibular nerve
Label 4
a.) Deep Fibular Nerve
b.) Common Fibular Nerve (Peroneal Nerve)
c.) Sciatic Nerve
d.) Superficial Fibular Nerve
- d.) Superficial fibular nerve
Label 5
a.) Deep Fibular Nerve
b.) Common Fibular Nerve (Peroneal Nerve)
c.) Sciatic Nerve
d.) Superficial Fibular Nerve
- d.) Superficial fibular nerve
The fibular nerve splits into what three divisions? (select 3)
a.) Lateral Sural Cutaneous Nerve
b.) Superficial Fibular Nerve
c.) Pudendal Nerve
d.) Deep Fibular Nerve
- a.) Lateral Sural Cutaneous Nerve
- b.) Superficial Fibular Nerve
- d.) Deep Fibular Nerve
Where does the Lateral Sural Cutaneous nerve provide sensory innervation?
a.) Medial Side of the Calf
b.) Anterior Side of the Calf
c.) Posterior Side of the Calf
d.) Lateral Side of the Calf
- d.) Lateral side of the calf
Where does the Superficial Fibular Nerve provide sensory innervation?
a.) Medial Side of the foot
b.) Top of the foot
c.) Lateral Side of the Foot
d.) Bottom of the Foot
- b.) Top of the foot
What are the two branches of the superficial fibular nerve?
a.) Lateral Dorsal Cutaneous Nerve
b.) Medial dorsal cutaneous nerve
c.) Intermediate dorsal cutaneous nerve
d.) Superficial Fibular Nerve
- b.) Medial dorsal cutaneous nerve
- c.) Intermediate dorsal cutaneous nerve
Where does the Deep Fibular Nerve provide sensory innervation?
a.) Between Big Toe and 2nd Toe
b.) Between 2nd Toe and 3rd Toe
c.) Between 3rd Toe and 4th Toe
d.) Between 4th Toe and 5th Toe
- a.) Between the Big Toe and 2nd Toe
What are the branches of the Deep Fibular Nerve? (select 2)
a.) Medial Dorsal Cutaneous of Top of Foot
b.) Lateral Cutaneous Nerve of the Big Toes
c.) Lateral Dorsal Cutaneous of Lateral Side of foot.
d.) Medial Cutaneous of 2nd Toe
- b.) Lateral cutaneous nerve of the big toe
- d.) Medial cutaneous nerve of the 2nd toe
Label 1, 2, and 3
a.) Common Fibular Nerve
b.) Sciatic Nerve
c.) Tibial Nerve
- 1: Sciatic Nerve
- 2: Tibial Nerve (travels medially)
- 3: Common Fibular Nerve (travels laterally)
These 4 direct Cutaneous Branches come off what nerve?
1. Medial Sural Cutaneous Branch
2. Medial Calcaneal Branch
3. Lateral Calcaneal Branch
4. Lateral Dorsal Cutaneous Branch
a.) Sciatic Nerve
b.) Femoral Nerve
c.) Fibular Nerve
d.) Tibial Nerve
d.) Tibial Nerve
The tibial nerve will branch off to what two nerves at the foot? (select 2)
a.) Medial Plantar Nerve
b.) Lateral Plantar Nerve
c.) Common Plantar Nerve
d.) Proper Plantar Nerve
- a.) Medial Plantar Nerve
- b.) Lateral Plantar Nerve
The following Nerves make up what Plexus?
* Superior gluteal nerve
* Inferior gluteal nerve
* Posterior cutaneous nerve of thigh
* Sciatic Nerve (Peroneal and Tibial n.)
* Pudendal Nerve
a.) Lumbar Plexus
b.) Sacral Plexus
c.) Lumbosacral Plexus
b.) Sacral Plexus
Match the Spinal Nerve to its Origins:
-Superior gluteal nerve
-Inferior gluteal nerve
-Posterior cutaneous nerve of thigh
-Common fibular nerve
-Tibial nerve
-Pudendal nerve
Name the function of the pudendal nerve (Select 3)
a.) Sensory innervation to the pelvis
b.) Rectum and colon motility
c.) Reproductive organ function
d.) Motor innervation to the penis
- a.) Sensory innervation to the pelvis
- b.) Rectum and colon motility
- c.) Reproductive organ function
Where does the posterior cutaneous nerve of the thigh provide sensory innervation? (Select 3)
a.) Quadracepts
b.) Hamstring
c.) Lower Gluteal Region
d.) This nerve is also the starting point of the inferior clunial nerve
b.) Hamstring
c.) Lower Gluteal Region
d.) This nerve is also the starting point of the inferior clunial nerve
