study guide pelvic cavity

Question 1

in normal posture in the coronal plane a line will be drawn from the asis and will hit the

Answer 1

symphysis pubis

Question 2

dividing the false pelvis from the true pelvis is the

Answer 2

pelvic inlet

Question 3

another name for the false pelvis s the

Answer 3

pelvis major

Question 4

another name for the true pelvis is teh

Answer 4

pelvis minor

Question 5

the pelvic inlet is also known as the

Answer 5

pelvic brim or superior pelvic aperature

Question 6

what are the boundaries of the pelvic inlet

Answer 6

sacropromintory
sacral ala
arcuate line
pectineal line
pubic crest

Question 7

boundaries of pelvic outlet

Answer 7

pubic symphysis
ischiopubic rami
ischial tuberosities
sacrotuberous ligament
coccyx

Question 8

() lig attaches the sacrum and ischial tuberosity

Answer 8

sacrotuberous

Question 9

() lig attaches sacrum to posterior inferior iliac spine

Answer 9

sacrospinous

Question 10

the arcuate line and the pectineal line together are called the () line

Answer 10

iliopectineal

Question 11

false pelvis, above the pelvic inlet is formed primarily by the

Answer 11

iliac fossa

Question 12

anterior wall of pelvic cavity (shallowest) formed by

Answer 12

posterior aspect of pubic symphysis
pubic body
pubic rami

Question 13

posterior wall of pelvic cavity formed by

Answer 13

sacrum
coccyx
piriformis
parietal pelvic fascia

Question 14

lateral wall of pelvic cavity formed by

Answer 14

bone below pelvic inlet
obturator membrane
sacrospinous
sacrotuberous ligament
obtorator internus muscle
obtoratur internus fascia

Question 15

inferior wall of pelvic cavity formed by

Answer 15

pelvic diaphragm
levator ani
coccygeus

Question 16

arteries of the true pelvis include

Answer 16

internal iliac a
superior rectal a
ovarian a
median sacral a

Question 17

pelvic sympathetic trunk ends at

Answer 17

ganglion impar

Question 18

inferior wall or pelvic floor of pelvic cavity covered by the

Answer 18

()

Question 19

three muscles of levator ani

Answer 19

puborectalis
pubococcygeus
iliococcygeus

Question 20

the () () covers the entire pelvic outlet and separates the pelvic orangs from the perineal cavity

Answer 20

pelvic diaphramg

Question 21

() muscle arises posterior aspect of pubic body, tendinous arch, and ischial spine

Answer 21

levator ani

Question 22

differences b/w male and female pelvis

Answer 22

femal: shallower depth
pelvic inlet shape: oval in female, heart shaped in male
pelvic outlet: larger
pelvic cavity: shorter
ischial tuberosities: everted
sacrum: shorter, wider, flatter
pubic arch: rounder and wider

Question 23

the levator ani is innervated by the perineal branches of the () and () spinal nerves

Answer 23

()

Question 24

the () muscle is a triangular sheet of muscle that lies against the posterior part of the iliococcygeal muscle. forms the posterior smaller part of the pelvic floor

Answer 24

coccygeous

Question 25

the muscle that forms a sling around the rectum mainting the anorectal angle is known as the () muscle

Answer 25

puborectalis

Question 26

during defecation the anorectal angle will ()

Answer 26

relax

Question 27

coccygeous and levator ani make up the () ()

Answer 27

pelvic diaphragm

Question 28

external iliac will cross the inguinal lig and become the () a

Answer 28

femoral a

Question 29

() artery is the mian artery that supplies the lower extremities

Answer 29

femoral

Question 30

internal iliac a is the blood supply to the () and ()

Answer 30

pelvic organs and gluteal region

Question 31

what are the arteries coming off of the anterior division of the internal iliac a

Answer 31

``` Inferior vesicle (bladder) Inferior gluteal (inferior to piriformis) Internal pudendal (behind sacrotuberous lig) Obturator Umbilical Uterine Middle rectal Vaginal ``` IIIOUUMV

Question 32

the inferior vesicle a supplies the

Answer 32

bladder

Question 33

the inferior gluteal a is () to the piriformis

Answer 33

inferior??

Question 34

internal pudendal a is behind the

Answer 34

sacrotuberous lig

Question 35

glanglion impar contain cell bodies of () neurons

Answer 35

post ganglionic

Question 36

sacrosplanchnic nerves arise from the sacral ganglia and contain () fibers coming from the lateral horns of the spinal cord level (), ()

Answer 36

preganglionic sympathetic, L1, L2

Question 37

the preganglionic sympathetic fibers will synapse in the post ganglionic neurons in the () () plexus (the sacrosplanchnic nerves)

Answer 37

inferior hypgastric

Question 38

pelvic splancnic nerves (aka nervi erigentes) contain () fibers arising from () () ()

Answer 38

preganglionic parasympathetic, s2, s3, s4