Pelvis

Question 0

What are the three bones of the hip bone?

Answer 0

Ilium, ischium, and pubis

Question 1

What are the three bones of the pelvis?

Answer 1

Right and left hip bones and the sacrum

Question 2

What are the two divisions of the bony pelvis?

Answer 2

Greater and lesser pelves - oblique plane of the pelvic inlet

Question 3

Greater pelvis

Answer 3

1. Superior to the pelvic inlet
2. Anteriorly - bounded by the abdominal wall
   Laterally - alea of illun
   Posteriorly L5 and S1 vertebrae
3. Location of some abdominal viscera (sigmoid colon and loops of ileum)

Question 4

Lesser pelvis

Answer 4

1. Between the pelvic inlet and the pelvic outlet
2. Location of the pelvic viscera (bladder, uterus, ovaries)
3. Limited inferiorly by the musculomembranous pelvic diaphragm

Question 5

What are the three ligaments of the sacroiliac joint?

Answer 5

Anterior, interosseous, and posterior sacro-iliac ligaments

Question 6

What is the interpubic disc made of?

Answer 6

Fibrocartilage

Question 7

Orientation of the facets of the lumbosacral joint

Answer 7

Superior articular facets of S1 sit posteromedially and the inferior articular facets of L5 sit anterolaterally

Question 8

What are the three walls of the pelvic cavity?

Answer 8

Anteroinferior, lateral, and posterior wall

Question 9

What are the two muscles of the pelvic floor?

Answer 9

Levator ani, coccygeus muscle and fascia

Question 10

What are the three parts of the levator ani muscle?

Answer 10

Puborectalis, pubococcygeus, and iliococcygeus

Question 11

Innervation of the pelvic structures

Answer 11

Sacral (S1-S4) and coccygeal nerves and the pelvic part of the ANS

Question 12

What are the main nerves of the sacral plexus?

Answer 12

1. Sciatic nerve (anterior rami of spinal nerves L4-S3)
2. Pudendal nerve (anterior rami of spinal nerves S2-S4)
3. Superior gluteal nerve (anterior rami of spinal nerves L4-S1)
4. Inferior gluteal nerve (anterior rami of spinal nerves L5-S2)

Question 13

What are the two nerves of the coccygeal plexus?

Answer 13

1. Coccygeal nerve (anterior rami of spinal nerves S4-S5)

2. Anococcygeal nerve (anterior rami of spinal nerves S4-S5)

Question 14

What are the three main arteries in the lesser pelvis of the female?

Answer 14

Internal iliac artery, ovarian artery, medial sacral artery, and superior rectal artery

Question 15

What are the main veins of the pelvis?

Answer 15

Internal iliac vein, superior rectal vein, median sacral vein, gonadal vein, and internal vertebral venous plexus

Question 16

What are the pelvic organs?

Answer 16

Ureters, urinary bladder, and the urethra

Question 17

What are the four parts of the stomach?

Answer 17

Apex, fundus, body, and neck

Question 18

What are the three parts of the urethra?

Answer 18

Intramural, prostatic, intermediate (membranous), and the spongy urethra