Pelvis

Question 1

Boundaries of Pelvic Inlet/Pelvic Brim

Answer 1

anterior: SYMPHYSIS PUBIS
lateral: ILIOPECTINEAL LINE
posterior: SACRAL PROMONTORY

Question 2

Boundaries of Pelvic Outlet

Answer 2

anterior: PUBIC ARCH
lateral: ISCHIAL TUBEROSITIES
posterior: TIP OF COCCYX

Question 3

ABOVE the pelvic brim

Answer 3

FALSE pelvis
GREATER pelvis
pelvis MAJOR

Question 4

BELOW the pelvic brim

Answer 4

TRUE pelvis
LESSER pelvis
pelvis MINOR

Question 5

From SACRAL PROMONTORY to the SUPERIOR margin of the pubic symphysis

Answer 5

True Conjugate (~11 cm)

Question 6

From SACRAL PROMONTORY to a point few millimeters from the top of pubic symphysis

The shortest pelvic diameter through which the fetal head must pass during birth

Answer 6

Obstetric Conjugate (~10.5 cm)

Question 7

From SACRAL PROMONTORY to the INFERIOR margin of the pubic symphysis

Measured during obstetric examination

Answer 7

Diagonal Conjugate (>11.5 cm)

Question 8

Type of pelvis which is flattened antero-posteriorly

Answer 8

Platypelloid

Question 9

Separates the greater and lesser sciatic foramen

Answer 9

ISCHIAL SPINE

Question 10

Provides an EXIT from the pelvis into the gluteal region

pelvic to gluteal

Answer 10

GREATER Sciatic Foramen

Question 11

Provides an ENTRANCE into the perineum from the gluteal region

gluteal to perineum

Answer 11

LESSER Sciatic Foramen

Question 12

Exit Greater Sciatic Foramen and Enter Lesser Sciatic Foramen

Answer 12

PIANO

Pudendal nerve
Internal Pudendal a/v
Nerve to obturator internus

Question 13

Urogenital Diaphragm

Answer 13

Sphincter urethrae

Deep Transverse Perineal

Question 14

Pelvic Diaphragm

Answer 14

LEVATOR ANI - Puborectalis, Pubococcygeus and Iliococcygeus

COCCYGEUS

Question 15

Muscles most often TORN during CHILDBIRTH

Answer 15

Puborectalis

Pubococcygeus

Question 16

Fibromuscular mass that marks the point of convergence of the bulbospongiosus muscle, external anal sphincter and transverse perineal muscle

Answer 16

Perineal body

Question 17

FEMALE PELVIS

Answer 17

thin and light
OVAL shaped - pelvic inlet
DIAMOND shaped - pelvic outlet
EVERTED ischial tuberosities
SHALLOW major (false) pelvic cavity
WIDE and SHALLOW minor (true) pelvic cavity
WIDE greater sciatic notch
SHORT, WIDE, FLAT sacrum
TRIANGULAR obturator foramen

Question 18

Boundaries of Perineum

Answer 18

anterior - symphysis pubis
inferior - tip of coccyx
lateral - ischiopubic and sacrotuberous ligament

Question 19

Muscles that maintain penile contraction

Answer 19

ischiocavernosus

bulbospongiosus

Question 20

Secretions are ejected because of the rhythmic contractions of this muscle

Answer 20

bulbospongiosus

Question 21

CONTENTS of the Ischioanal Fossae

Answer 21

fats
PUDENDAL CANAL - pudendal nerve and internal pudendal vessels
INFERIOR RECTAL NERVES AND VESSELS

Question 22

Contents of the SUPERFICIAL perineal space

Answer 22

MALES
ROOTS of penis
superficial perineal muscle
bulbospongiosus
ischiocavernosus
perineal body
perineal branch of pudendal nerve

FEMALES
ROOTS of clitoris
superficial perineal muscle
bulbospongiosus
ischiocavernosus
perineal body
perineal branch of pudendal nerve
GREATER VESTIBULAR GLANDS

Question 23

Contents of the DEEP perineal space

Answer 23

MALES
BULBOURETHRAL GLAND
internal pudendal vessels
membranous urethra
dorsal nerve of the penis
sphincter urethra muscle
deep transverse perineal muscle

FEMALES
part of urethra
part of vagina
internal pudendal vessels
dorsal nerve of the clitoris
sphincter urethra muscle
deep transverse perineal muscle