Lumbar Plexus - Part 1

Question 1

The iliohypogastric never contains fibers from which nerves?

Answer 1

T12 and L1

Question 2

The iliohypogastric travels in which direction starting out?

Answer 2

Anterior and inferior

Question 3

The iliohypogastric travels between which two things?

Answer 3

Quadratus lumborum and the kidney

Question 4

The iliohypogastric nerve travels THROUGH which muscle?

Answer 4

Transverse abdominal muscle

Question 5

After penetrating the transverse abdominal muscle, the iliohypogastric muscle travels between what?

Answer 5

Transverse abdominal muscle and the

Internal abdominal oblique muscle

Question 6

The iliohypogastric gives off what branch?

Answer 6

Lateral cutaneous branch

Question 7

The lateral cutaneous branch off of the iliohypogastric muscle supplies sensory to what?

Answer 7

The posterior gluteal region

Question 8

After giving off the lateral cutaneous branch, the iliohypogastric nerve continues as what?

Answer 8

Anterior cutaneous branch

Question 9

The anterior cutaneous branch of the iliohypogastric muscle supplies sensory to what?

Answer 9

Skin of the pubic region

Question 10

Which two muscles does the iliohypogastric supply?

Answer 10

Internal abdominal oblique

Transverse abdominal

Question 11

The ilioinguinal nerve contains fibers from which nerves?

Answer 11

T12 and L1

Question 12

The ilioinguinal nerve follows a path similar to which nerve?

Answer 12

iliohypogastric

Question 13

The ilioinguinal nerve enters and is transmitted through what?

Answer 13

inguinal canal

Question 14

The ilioinguinal nerve leaves the inguinal canal though what?

Answer 14

The superficial inguinal ring

Question 15

Once the ilioinguinal nerve leaves the inguinal canal though the superficial inguinal ring, it travels with which structure?

Answer 15

spermatic cord - males

Round ligament - females

Question 16

The ilioinguinal nerve supplies sensory information to where?

Answer 16

Skin of the upper medial thigh

Question 17

In males the ilioinguinal nerve supplies sensory information to which area?

Answer 17

Base of pens and anterior scrotum

Question 18

In females, the ilioinguinal nerve supplies sensory information to which area?

Answer 18

mons pubis and labium majorum

Question 19

Along it’s course, the ilioinguinal muscles supplies which two muscles?

Answer 19

Internal abdominal oblique

Transverse abdominal

Question 20

Which two nerves supply the internal abdominal oblique and the transverse abdominal muscles?

Answer 20

Iliohypogastric and ilioinguinal nerve

Question 21

The genitofemoral nerve contains fibers from?

Answer 21

L1 and L2

Question 22

The genitofemoral nerve passes _______ through which muscle?

Answer 22

anteriorward

Psoas major

Question 23

The genitofemoral muscle divides into which two branches?

Answer 23

genital and femoral branch

Question 24

The genital branch enters and travels through where?

Answer 24

Inguinal canal

Question 25

After leaving the inguinal canal, the genital branch supplies which muscle?

Answer 25

cremaster muscle

Question 26

After leaving the inguinal canal, the genital branch supplies sensory information to which area in males?

Answer 26

Skin of the superior anterior scrotum

Question 27

After leaving the inguinal canal, the genital branch of the genitofemoral nerve supplies sensory information to which area in females?

Answer 27

Skin of mons pubis and labium majorum

Question 28

What is involuntary contraction of the cremaster muscle when the inner thigh of a male is stroked called?

Answer 28

Cremaster reflex

Question 29

Which side does the cremaster reflex of happen?

Answer 29

ispilateral side

Question 30

The cremaster reflex causes what reaction when the cremaster muscle is contracted?

Answer 30

The scrotum and testes to go upward on same side

Question 31

The femoral branch passes into the thigh ______?

Answer 31

Posterior to the inguinal ligament

Question 32

The femoral branch supplies sensory to which area?

Answer 32

Skin of upper anterior thigh

Question 33

The lateral cutaneous nerve of the thigh is purely what?

Answer 33

sensory

Question 34

The lateral cutaneous nerve of the thigh contains fibers from what?

Answer 34

L2 and L3

Question 35

The lateral cutaneous nerve of the thigh supplies what area?

Answer 35

Skin of the lateral thigh, superior to the knee

Question 36

The lateral cutaneous nerve of the thigh leaves the abdominal cavity by passing where?

Answer 36

Under the inguinal ligament

Question 37

The lateral cutaneous nerve of the thigh travels anterior to which muscle?

Answer 37

sartorius

Question 38

The lateral cutaneous nerve of the thigh travels through what to reach the skin?

Answer 38

fascia lata