Pelvic Floor (Task 3)

Question 1

Muscles of the levator ani/pelvic floor

Answer 1

Puborectalis, Pubococcygeus, Iliococygeus

Question 2

Nerve supply of levator ani

Answer 2

Pudendal Nerve, Perineal Nerve, S3-S4

Question 3

Area that perineal membrane covers

Answer 3

Urogenital Triangle

Question 4

Reduces chance of perineal tearing in labour

Answer 4

Mediolateral incision in perineal body

Question 5

Anal triangle contents

Answer 5

Anal Aperture, External Anal Sphincter Muscles, Ischioanal Fossae x2, Pudendal Nerve

Question 6

Urogenital triangle contents/layers

Answer 6

Deep Perineal Pouch, Perineal Membrane, Superficial Perineal Pouch, Perineal Fascia

Question 7

Neurovascular supply of perineum

Answer 7

Pudendal Nerve and Internal Pudendal Artery

Question 8

Bulbospongiosus/cavernosus muscle function

Answer 8

Contributes to Erection and Orgasm in males and females

Fully empties urethra, Compresses deep dorsal vein of penis to maintain erection

Question 9

Ischiocavernosus muscle function

Answer 9

Stabilises erection and helps maintain erection by reducing blood flow in veins, Tenses vagina during orgasm

Question 10

Male equivalent to clitoris

Answer 10

Penis

Question 11

Male equivalent to labia majora

Answer 11

Scrotum

Question 12

Male equivalent to labia minora

Answer 12

Penile Skin

Question 13

Male equivalent to round ligament of uterus

Answer 13

Gubernaculum

Question 14

Tissue that fills ischioanal fossa

Answer 14

Adipose Tissue

Question 15

Function of ischioanal fossa

Answer 15

Allows dilation of anal canal to pass stool, Protects rectum and associated neurovasculature

Question 16

Structures passing near ischioanal fossa margins

Answer 16

Pudendal Canal containing Pudenal Nerve, Vein and Artery, Inferior Rectal Artery and Vein, Inferior Rectal Nerves

Question 17

Keep perineal body in place

Answer 17

Deep Transverse Perineal Muscles