5.2 Pelvis and Perineum

Question 1

Pelvis that is superior to the pelvic inlet

Answer 1

False pelvis

Question 2

Pelvis that is between the pelvic inlet snd pelvic outlet

Answer 2

True pelvis

Question 3

Linea terminals is formed by

Answer 3

Arcuate line + pectinate line

Question 4

Functions to guide the fetus towards the lesser pelvis during laboe

Answer 4

False pelvis

Question 5

Part that is of the least pelvic dimensions

Answer 5

Midpelvis

Question 6

Narrowest AP diameter of pelvic inlet and it’s measurement

Answer 6

Obstetric diameter (10 cms)

Question 7

Narrowest transverse diameter

Answer 7

Interspinous diameter (10 cms)

Question 8

AP diameter from sacral promontory to superior border pf pubis symphysis

Answer 8

True ap diameter

Question 9

AP diameter of pelvic inlet from sacral promotory to inferior border of pubis

Answer 9

Diagonal AP diameter

Question 10

AP diameter from sacral promontory to middle portion of pubis

Answer 10

Obstetric AP diameter

Question 11

Weak areas of the pelvis

Answer 11

Pubic ramiAcetabulumRegion of sacroiliac jointAlae of ilium

Question 12

Pelvic diaphragm is formed hy

Answer 12

Levator ani musclesCoccygeus muscle

Question 13

Levator ani muscles

Answer 13

Puborectalis- maintaining fecal continenceIliococcygeus-supports anal canalCoccygeus-assist levayores ani

Question 14

Pouch between anterior wall pf uterus and the urinary bladder

Answer 14

Vesicouterine pouch

Question 15

Pocket formed between uterus and rectum

Answer 15

Rectouterine pouch

Question 16

Pelvic fascia continuous with transversalis and iliipsoas fascia

Answer 16

Parietal pelvic fascia

Question 17

Pelvic fascia providingn passage for blood vessels

Answer 17

Condensed endopelvic fascia

Question 18

Arterial supply to the pelvisnis mainly given by

Answer 18

Internal iliac artery

Question 19

6 main arteries entering the lesser pelvis of females

Answer 19

Paired internal iliac aa. Paired ovarian aaMedian sacral a. Superior rectal a.

Question 20

Branches of the anterior division of internal iliac artery

Answer 20

UmbilicalObturatorInferior vesicalUterineMiddle rectalInternal pudendalInferior gluteal

Question 21

Branches of the posterior division of the internal iliac artery

Answer 21

IliolumbarLateral sacralSuperior gluteal

Question 22

The artery that is direct continuation if the inferior mesenteric artery that supplies the revtum and anal canal

Answer 22

Superior rectal artery

Question 23

Artery that is the direct branch of the abdominal aorta and crosses the external iliac vessels them anastamoses with uterine artery

Answer 23

Ovarian artery

Question 24

Internal iliac vein and external iliac veins merge to form common iliac vein. Right and left common iliac veins merge at the level of __ to form the __.

Answer 24

L4 or L5IVC

Question 25

All pelvic organs are supplied by branches of the internal iliac artey except the __ and the __

Answer 25

Ovaries and the upper third of rectum

Question 26

The obturator nerve supplies

Answer 26

Medial thigh muscles

Question 27

Largest nerve in the body supplying the posterior aspect of the thigh and the entire left leg and foot

Answer 27

Sciatic nerve

Question 28

Main nerve of the perineum and the chief sensory nerve of external genitalia

Answer 28

Pudendal nerve

Question 29

Parasympathetic fibers to pelvic fascia arising from s2-s4

Answer 29

Pelvic splanchnic nerves

Question 30

Provide sympathetic innervation to lower limbs

Answer 30

Sacral stmpathetic trunks

Question 31

Walls of bladder are composed of (muscle)

Answer 31

Detrusor muscle

Question 32

Muscle at the neck of the male bladder which contracts to prevent retrograde ejaculation of semen into the bladder during ejaculation

Answer 32

Internal urethral sphincter

Question 33

Arterial supply of the bladder

Answer 33

Superior vesical aa. - anterosuperior partInferior vesical aa. - fundus and neck in malesVaginal aa. - posteroinferiorBranches of obturator and inferior gluteal aa.

Question 34

Rectosigmoid junction lies at level of __ vertebra

Answer 34

s3

Question 35

Shallow diamond-shaped area bounded perioherally by the pelvic outlet and deeply by pelvic diaphragm

Answer 35

Perineum

Question 36

Triangular musclofascial diaphragm in anterior part if perineum between ischiopubic rami, formed by sphincter urethrae and deep transverse perineal muscle; enclosed by perineal membrane inferiorly

Answer 36

Urogenital diaphragm

Question 37

Superficial perineal pouch between perineal fascia and perineal membrane

Answer 37

Superficial perineal pouch

Question 38

Muscle which empties the urethra or urine or semen and assist in erection of penis

Answer 38

Bulbospongiosus muscle

Question 39

Covers crura of the penis, maintains erection of penis by compressing outflow of veins

Answer 39

Ischiocavernosus muscle

Question 40

Deep space that is contained between thw superficial and deep layers of fascia

Answer 40

Deep perineal pouch

Question 41

Irregular mass coontaining collagenous, elastic fibers and both skeletal and smooth muscles; site of convergence and interlacing of fibers of muscles including bulbospongiosus, external anal sphincter, superficial and deep transverse perineal muscles

Answer 41

Perineal body

Question 42

Perineal fascia which is the continuation of the anterior abdominal wall containing a fatty and a membranous layer

Answer 42

Superficial perineal fascia

Question 43

Layer of superficial eprineal fascia containing colle's fascia;Continuous with dartos fascia of penis and scrotumContinuous with the membranous layer of the subcutaneous tissue of abdomen

Answer 43

Membranous layer of superficial eprineal fascia

Question 44

Perineal which becomes buck's fascia at the level of the penis

Answer 44

Deep perineal fascia (investing or gallaudet fascia)

Question 45

Collective name for female external genitalia

Answer 45

Vulva

Question 46

Blood aupply of vulva

Answer 46

Branches of external and internal pudendal arteries

Question 47

Alcock's / pudendal canal

Answer 47

Anal/posterior triangle

Question 48

Nerve supply of the skin of psoterior triangle

Answer 48

Inferior rectal nerve

Question 49

Ischioanal fossa contains

Answer 49

Ischioanal fatPudendal nerveInferior rectal vessels

Question 50

Arterial supply of anal canal

Answer 50

Superior rectal artery-area superior to pectinate linaInferior rectal aa. -inferior to pectinate lineMiddle rectal aa. - anastamose with superior and inferior rectal aa

Question 51

Nerve supply to the anal anal superior to the pectinate line

Answer 51

Visceral innervation from the inferior hypogastric plexus

Question 52

Main nerve of the perineum and chief sensory to the external genitalia; anterior rami of sacral plexus (s2-s4)

Answer 52

Pudendal nerve

Question 53

The pudendal nerve leaves the pelvis via

Answer 53

Greater sciatic foramen

Question 54

3 branches of pudendal nerve

Answer 54

Inferior hemorrhoidal nerve: external anal sphincter and perianal skinPerineal nerve: muscle in urogenital triangle and skin in posterior surface of scrotumDorsal nerve to clitoris or penis

Question 55

Nerve supply of the levator ani muscles

Answer 55

4th sacral nerve and pudendal nerve