Anatomy Of The Pelvic Region

Question 1

Bones of pelvis made of?

Answer 1

Two innominate form from ilium, ischium and pubis

Question 2

Pubic symphysis is ?

Answer 2

Fibrocartilaginous disc, wider in females

Question 3

Sacroiliac joint is?

Answer 3

Secondary cartilaginous joint

Question 4

Anything above ala is known as?

Answer 4

False pelvis

Question 5

Outlet of pelvis is made of?

Answer 5

Coccyx, pubic arch, ishcial tuberoisty and sacrotuberous ligament

Question 6

Open book fracture?

Answer 6

Pubic symphysis completely broken apart

Question 7

Obturator internus action?

Answer 7

Rotates thigh laterally

Question 8

Piriformis action?

Answer 8

Rotates thigh laterally and abducts

Question 9

Pelvic diaphragm made of?

Answer 9

Coccygeus and levator ani muscle

Question 10

Levator ani formed from?

Answer 10

Puborectalis (allows defecation when relaxes)
Pubococcygeus
Iliococcygeus

Question 11

Innervation to levator ani?

Answer 11

S4

Question 12

Levator ani help?

Answer 12

Maintain intraabdominal pressure, help in labour and defecation

Question 13

Gonadal veins drain back into?

Answer 13

IVC or left renal vein

Question 14

Pudendal nerve transverses through?

Answer 14

Greater and lesser foramen

Question 15

Pudendal nerve gives rise to the?

Answer 15

Inferior rectal, posterior scrotal and labial branches and dorsal nerve to penis/clitoris and perineal branches

Question 16

Pain line?

Answer 16

Anything above felt in abdomen and anything below felt in pelvis

Question 17

Sacrum is formed from?

Answer 17

Fusion of 5 sacral vertebrae

Question 18

Coccyx is formed from?

Answer 18

Fusion of 4 coccygeal vertebrae

Question 19

Pelvic inlet is formed from?

Answer 19

Promontory and ala, right and left line terminalis

terminalis is made of arcuate line, pecten pubis and pubic crest

Question 20

Lesser pelvis contains?

Answer 20

Reproductive, urinary and gastrointestinal organs

Question 21

Obturator foramen is closed by obturator membrane except to allow passage to?

Answer 21

Obturator nerve, artery and vein

Question 22

Piriform attaches to?

Answer 22

Posterior pelvic walls

Question 23

Sacral plexus nerves?

Answer 23

Sciatic nerve
Pudendal nerve
Superior gluteal and inferior gluteal

Question 24

Sacrum is formed by how many vertebrae?

Answer 24

5

Question 25

Coccyx was formed by how many vertebra?

Answer 25

4

Question 26

Pelvic brim is made of?

Answer 26

Promontory and ala of sacrum, and then Linda terminals which consists of (pubic crest, pecten pubis, and accurate line)

Question 27

Sciatic Foramen is formed by?

Answer 27

Sacrotuberous and sacrospinous ligament

Question 28

What is pelvic floor made of?

Answer 28

Occygeus and lavatory ani muscles

Question 29

What is posterior wall of pelvic cavity made of?

Answer 29

Piriformis muscle and sacral plexus and sacrum

Question 30

What is lateral wall of pelvis made of?

Answer 30

Right and left hip bones obturator internus muscle and obturator fascia

Question 31

Main artery supplying pelvis?

Answer 31

Internal iliac artery

Question 32

Gonadal artery comes from?

Answer 32

Abdominal aorta

Question 33

Posterior division of internal iliac artery splits into?

Answer 33

Iliolumbar Lateral sacral Superior gluteal

Question 34

Anterior division of internal iliac artery?

Answer 34

Umbilical artery then obturator artery and superior Vesical artery Inferior vesical artery (supplying prostate) Middle rectal artery Pudendal Inferior gluteal In females there is an extra uterine artery present and inferior vesical artery becomes vaginal artery

Question 35

Ovarian artery comes from?

Answer 35

Aorta

Question 36

Median sacral artery comes from?

Answer 36

Abdominal aorta

Question 37

Superior rectal artery comes from?

Answer 37

Inferior mesenteric

Question 38

Somatic plexuses in pelvis includes?

Answer 38

l4 to Co

Question 39

Sacral pelvis includes?

Answer 39

Sciatic nerve (leg and foot) Pudendal nerve Superior gluteal nerve Inferior gluteal nerve

Question 40

Parasympathetic supply?

Answer 40

Pelvic splanchnic nerves s2-s4

Question 41

Sympathetic flow supply?

Answer 41

Superior and inferior hypogastric plexuses | And sacral sympathetic trunk

Question 42

What does the pudendal nerve supply?

Answer 42

inferior rectal, perineal branches, posterior scrotal/labia branches and dorsal nerve to the penis/clitoris.

Question 43

Parasympathetic flow is through?

Answer 43

Pelvic splanchnic nerves S2-4

Question 44

Sympathetic flow?

Answer 44

Sacral sympathetic trunk Superior and inferior hypogastric plexuses