Pelvis

Question 1

what is the pelvic inlet defined by?

Answer 1

sacral promotory, iliopectineal line, symphysis pubis

Question 2

what things make up the iliopectineal line?

Answer 2

arcuate line of the ileum and the pectineal line of the pubis

Question 3

what is it called above the pelvic inlet?

Answer 3

false pelvis or pelvis major

Question 4

what is it called below the pelvic inlet?

Answer 4

true pelvis or pelvis minor

Question 5

what is the pelvic outlet bounded by?

Answer 5

ischial tuberosity, tip of coccyx, pubis symphesis

Question 6

what is is known as between the inlet and outlet?

Answer 6

pelvic cavity or lesser pubis

Question 7

what is contained in the plevic cavity?

Answer 7

nerves, blood vessels, lymphatics, pelvic genital organs, rectum, terminal parts of ureters

Question 8

what makes up the anterior wall of the pelvis?

Answer 8

pubic bone and symphesis

Question 9

what makes up the posterior wall of the pelvis?

Answer 9

sacrum, ilia and piriformis which leaves through the GSF

Question 10

what makes up the lateral walls of the pelvis?

Answer 10

obturator internus which leaves through the LSF

Question 11

what makes up the floor of the pelvis minor?

Answer 11

pelvic diaphragm

Question 12

what consists of the pelvic diaphragm?

Answer 12

levator ani, coccygeus muscles and associated fascia

Question 13

what are the 3 parts of the levator ani?

Answer 13

puborectalis, pubococcygeus, iliococcygeus

Question 14

what is the puborectalis muscle?

Answer 14

it is the sling around the anorectal junction

Question 15

what is the main portion of the levator ani?

Answer 15

pubococcygeus

Question 16

explain the iliococcygeus muscle?

Answer 16

most posterior, thin, poorly developed

Question 17

what is the innervation of the levator ani?

Answer 17

S4 and pudendal nerve

Question 18

what are the actions of the levator ani?

Answer 18

support the pelvic viscera and resists increase in intraabdominal pressure

Question 19

what does the levator ani support during birth

Answer 19

the fetal head

Question 20

true or false: the levator ani muscles can be injured during difficult deliveries?

Answer 20

true

Question 21

which levator ani muscle is the most commonly damaged during childbirth?

Answer 21

pubococcygeus

Question 22

what does the levator ani surround?

Answer 22

urethera, vagina, and anal canal

Question 23

what are the related condition with childbirth?

Answer 23

urinary stress incontinence, prolapse of urinary bladder and prolapse of uterus

Question 24

what are the branches of the internal iliac?

Answer 24

anterior and posterior

Question 25

what are the branches of the anterior portion of the internal iliac?

Answer 25

umbilical, obtruator, uterine, vaginal, inferior vesical, inferior gluteal, internal pudendal, middle rectal

Question 26

what are the branches of the posterior division of the internal iliac?

Answer 26

lateral sacral, superior gluteal, and iliolumbar

Question 27

what are the branches of the internal iliac that is found in males?

Answer 27

prostatic branches of inferior vesical, prostatic venous plecus, pampiform plecus, artery to ductus deferens

Question 28

what are the other arteries of the pelvis?

Answer 28

superior rectal, ovarian/testicular, median sacral

Question 29

between what vertebrae is the sacral plexus?

Answer 29

L4-S4

Question 30

what branches of the sacral plexus will go to the lower limb?

Answer 30

sciatic, superior gluteal, inferior gluteal, nerve to obturator internus, nerve to quadratus femoris, posterior cutaneous nerve of thigh

Question 31

what are the nerves that go to the pelvis muscles, viscera, and perineum?

Answer 31

piriformis, pudendal nerve, and plevic splanchnic