pelvis and perineum

Question 1

the parts of the pelvic bone

Answer 1

Ilium
Ischium
Pubis

Question 2

pelvic opening ;Subinguinal canal

Answer 2

Abdomen / abdominopelvis and

anterior thigh

Question 3

pelvic openings :Obturator canal

Answer 3

Pelvis and medial thigh

Question 4

pelvic openings : Greater sciatic foramen

Answer 4

Pelvis and gluteal region

Question 5

pelvic openings;Lesser sciatic foramen

Answer 5

Gluteal region and perineum

Question 6

“false pelvis”

Answer 6

• The iliac blades contribute to the abdominal cavity

Question 7

“true pelvis”

Answer 7

Below the pelvic inlet is the pelvic cavity

Question 8

Pelvic inlet

Answer 8

sacral promontory, sacral ala, arcuate line, pectineal line,

pubic crest

Question 9

Pelvic outlet - Anterior

Answer 9

pubic symphysis, ischiopubic ramus

Question 10

Pelvic outlet - posterior

Answer 10

ischial tuberosities, sacrotuberous ligaments and sacrum

Question 11

Sacroiliac joints

Answer 11

Iliac and sacral ala

Question 12

Sacrospinous ligament

Answer 12

From sacrum to ischial spine

Question 13

Sacrotuberous ligament

Answer 13

From sacrum to ischial tuberosity

Question 14

Sacrotuberous and
sacrospinous
ligaments action

Answer 14

oppose

posterior sacral rotation

Question 15

what do we use pelvic measurements for

Answer 15

to determine the fixed size of
the birth canal and the
likelihood of a safe vaginal
delivery

Question 16

pelvic wall muscles :

Answer 16

– Piriformis

– Obturator internus

Question 17

pelvic floor muscles

Answer 17

Funnel shaped muscle that reinforces the pelvic organ
– Coccygeus
– Levator ani

Question 18

– Levator ani functions

Answer 18

assists in
maintaining fecal and urinary
continence

Question 19

what forms the levator ani

Answer 19

-Iliococcygeus
• Pubococcygeus
• Puborectalis

Question 20

Anterior defect in the pelvic diaphragm :

Answer 20

urogenital hiatus

Question 21

perineal body

Answer 21

where all perineal

muscles converge

Question 22

Episiotomy

Answer 22

oblique cut through muscles to prevent excessive damage to the external anal sphincter

Question 23

Pudendal canal – Alcock’s canal

Answer 23

Passage within the obturator fascia (lateral wall of ischioanal
fossa)

Question 24

Superior gluteal (L4-S1) supplies the :

Answer 24

gluteus medius, minimus,

tensor fascia lata

Question 25

SCIATIC supplies :

Answer 25

-Tibial (L4 - S3)
skin of posterior leg and muscles
of posterior thigh and leg 
-Common fibular (L4 – S2)
skin and muscles of anterior leg,
lateral leg, and dorsal foot

Question 26

Posterior femoral

cutaneous (S1-3) supplies :

Answer 26

skin on posterior aspect of the

thigh

Question 27

Pudendal (S2-4) supplies :

Answer 27

skin and muscles of the

perineum

Question 28

Inferior gluteal (L5-S2) supplies :

Answer 28

gluteus maximus

Question 29

pelvic blood supply :

Answer 29

The abdominal aorta bifurcates at L4 into the common iliac arteries(divides into internal and external iliac artery )

Question 30

Pelvic blood supply :Internal iliac artery

Answer 30

supplies the pelvis and gluteal region

Question 31

Pelvic blood supply :External iliac artery

Answer 31

gives the deep circumflex iliac artery and inferior epigastric artery and then It becomes the femoral artery as it passes deep to the inguinal
ligament and supplies the lower limb

Question 32

he internal iliac vein receives blood from ?

Answer 32

pelvic organs, pelvic wall and gluteal region

Question 33

The external iliac vein receives blood from ?

Answer 33

lower anterior abdominal wall and lower limb

Question 34

Pudendal nerve block

Answer 34

The ischial spine can be palpated via the vaginal canal

The spine is used as a landmark for administering a pudendal nerve block