Unit 3 Pelvic Walls

Question 1

False pelvis lies:

It is part of the:

Also known as the:

Answer 1

Above the pelvic brim

Part of the abdomen

Greater pelvis

Question 2

True pelvis AKA

Answer 2

Lesser pelvis

Question 3

Parts of the true pelvis

Answer 3

Pelvic inlet

Pelvic outlet

Pelvic walls

Pelvic floor

Question 4

Posterior pelvic inlet (brim)

Answer 4

Sacral promontory

Alae (wings) of sacrum

Question 5

Lateral pelvic inlet (brim)

Answer 5

Linea terminalis (arcuate line, pectin pubis, pubic crest)

Question 6

Anterior pelvic inlet (brim)

Answer 6

Symphysis pubis

Question 7

Anterior pelvic outlet

Answer 7

Symphysis pubis

Question 8

Lateral pelvic outlet

Answer 8

Pubic arch

Ischial tuberosity

Sacrotuberous ligament

Question 9

Posterior pelvic outlet

Answer 9

Coccyx

Question 10

Pelvic walls

Answer 10

Anterior

Posterior

Lateral

Pelvic floor

Question 11

Parts of the anterior pelvic wall

Answer 11

Symphysis pubis

Pubic bones

Question 12

Parts of the post pelvic wall

Answer 12

Sacrum

Coccyx

Piriformis

Question 13

Parts of the lateral pelvic wall

Answer 13

Piriformis

Innominate bone

Obturator membrane

Obturator internus

Sacrotuberous ligament

Sacrospinous ligament

Question 14

What runs through the greater sciatic foramen?

Answer 14

Superior gluteal nerve and vessels

Piriformis

Inferior gluteal neurovasculars

Post femoral cutaneous nerves

Sciatic nerve

Quadratus femoris nerves and vessels

Question 15

What lies in the lesser sciatic foramen

Answer 15

Vessels and nerve to obturator internus

Obturator internus muscle

Question 16

Obturator canal contains the

Answer 16

Obturator nerve and vessels

Question 17

Pelvic floor, AKA

Answer 17

Diaphragm

Question 18

Pelvic floor is formed up:

Answer 18

Funnel shaped pelvic diaphragm

Question 19

Muscles of the pelvic floor

Answer 19

Levator ani (3 of the 4 muscles)

Coccygeous

Question 20

Function of the pelvic floor

Answer 20

Supports pelvic viscera

Separates the pelvic cavity from the perineum

Question 21

Levator ani muscles

Answer 21

Iliococcygeus muscle

Pubococcygeus muscle

Puborectalis muscle

Question 22

Muscle that makes a sling around the rectum and comes out the other side on the pubic. (Originates on the pubis)

Helps keep the rectus taught

Answer 22

Puborectalis.

Question 23

Pubococcygeous
Originates from the:

Inserts:

Answer 23

Pubis

Into the anococcygeal body and the coccyx

Question 24

Iliococcygeus goes from:

Answer 24

From the fascia over the obturator internus to the anococcygeal body

Question 25

Functions of the levator ani

Answer 25

Supports pelvic viscera Resis intrapelvic pressure during straining Sphincter action of the anorectal junction and vagina

Question 26

Nerve supply to the levator ani

Answer 26

Anterior rami of S4 Pudendal nerve (inf rectal branch)

Question 27

OR of coccygeus

Answer 27

Spine of ischium

Question 28

Insertion of coccygeus

Answer 28

Sacrum and coccyx

Question 29

Nerve supply of coccygeus

Answer 29

S3 and S4

Question 30

Action of coccygeus

Answer 30

Supports pelvic viscera Pulls coccyx forward