Pelvis Neurovasculature

Question 1

The abdominal aorta bifurcates at the ____ vertebral level, and splits into what two branches?

Answer 1

L4
Common Iliac aa
External Iliac aa

Question 2

The Common Iliac aa split into what branches?

Answer 2

External and Internal iliac aa

Question 3

The External Iliac aa exits the pelvis as the _____ aa

Answer 3

femoral

Question 4

The internal iliac aa enters and supplies the ____ pelvis

Answer 4

true

Question 5

The internal iliac aa supply the _____ organs & _____ region

Answer 5

pelvic

gluteal

Question 6

All of our superficial branches of the anterior abdominal wall come off the _____ a in the ____ triangle

Answer 6

femoral

femoral

Question 7

The internal iliac has 2 major divisions, an ____ trunk, and a _____ trunk

Answer 7

anterior

posterior

Question 8

The median sacral artery is a terminal branch off of what arterial structure?

Answer 8

Descending aorta

Question 9

The ______ a. is a posterior branch off of internal iliac a. and supplies the medial ilium & L5

Answer 9

Iliolumbar

Question 10

The Iliolumbar a. is between the ___ ___ & L5

Answer 10

iliac crest

Question 11

The Iliolumbar a. branches off of internal iliac aa at what vertebral level?

Answer 11

L5

Question 12

The iliolumbar a. travels with L4-L5 lumbosacral trunk and gives off the _____, _______, and _____ aa branches that ascend superior to the pelvic cavity

Answer 12

iliac
lumbar
spinal

Question 13

T/F: The lateral sacral a. enter the dorsal sacral foramina

Answer 13

False: The lateral sacral a. enters the ventral sacral foramina

Question 14

The lateral sacral a. supplies the ____ and the _____ _____ nn.

Answer 14

sacrum

ventral sacral

Question 15

The _____ ____ a. passes between L5 & S1 nerves, and ______ to the piriformis m.

Answer 15

Superior Gluteal

superior

Question 16

The ______ _____ a. supplies the gluteal mm. along with the superior gluteal nn.

Answer 16

superior gluteal

Question 17

The superior gluteal a. exits via the ____ ____ _____

Answer 17

greater sciatic foramen

Question 18

T/F: Anytime something goes thru the greater sciatic foramen it is said to be exiting the pelvic cavity

Answer 18

True

Question 19

The ____ ___ a. is one of the early branches off the anterior trunk of the internal iliac aa

Answer 19

inferior gluteal

Question 20

The inferior gluteal a. passes between ____ & ______ nn. _____ to the piriformis mm.

Answer 20

S2 & S3

inferior

Question 21

The ____ ____ a supplies the gluteal mm along with the inferior gluteal nn

Answer 21

inferior gluteal

Question 22

T/F: The inferior gluteal a exits the pelvis via the lesser sciatic foramen

Answer 22

False, both the superior and inferior gluteal aa’s exit via the greater sciatic foramen

Question 23

The _____ ____ a. runs with the pudendal n. and exits the pelvis thru the _____ sciatic foramen

Answer 23

internal pudendal

greater

Question 24

The internal pudendal a enters the gluteal region _______ to the piriformis m

Answer 24

inferomedial

Question 25

The internal pudendal a crosses over the _______ ligament to re-enter the pelvis thru the _______ sciatic foramen

Answer 25

sacrospinous

lesser

Question 26

The _______ ____ a supplies the perineum (UG & anal triangles)

Answer 26

internal pudendal