Gross Anatomy (Perineum)

Question 1

______________ is a diamond shaped structure located between the thighs

Answer 1

Perineum

Question 2

The anatomical region that makes up the inferior-most part of the pelvic outlet is called the _________________

Answer 2

Perineum

Question 3

The pelvic cavity is separated from the perineum by the ______________

Answer 3

Pelvic floor

Question 4

______________ and _______________ muscles make up the pelvic floor

Answer 4

Levator ani muscle
Coccygeus muscle

Question 5

Functions of the perineum

Answer 5

Micturition
Defecation
Child birth
Sexual intercourse

Question 6

__________________ makes up the anterior anatomical border of the perineum

Answer 6

The pubic symphysis

Question 7

_______________ makes up the posterior anatomical border of the perineum

Answer 7

Tip of the coccyx

Question 8

________________ makes up the lateral anatomical borders of the perineum

Answer 8

Sacrotuberous ligament
Ischiopubic ramii

Question 9

___________________ makes up the anatomical roof of the perineum

Answer 9

The pelvic floor

Question 10

The anatomical base of the perineum is _________________

Answer 10

Fascia and skin

Question 11

The anterior surface border of the perineum in females is the ____________

Answer 11

Mons pubis

Question 12

The anterior surface border of the perineum in males is the _________________

Answer 12

Base of the penis

Question 13

The lateral surface borders of the perineum are _______________

Answer 13

Medial surface of the thighs

Question 14

The posterior surface border of the perineum is the _____________

Answer 14

Superior end of the intergluteal cleft

Question 15

The perineum is divided into two triangles by an imaginary line along the _________________

Answer 15

Ischial tuberosities

Question 16

The perineum is divided into two triangles called ________________ and ________________

Answer 16

Urogenital triangle
Anal triangle

Question 17

Outline the anterior, posterior and lateral boundaries of the anal triangle respectively

Answer 17

Anterior: Imaginary line along the ischial tuberosities
Posterior: Coccyx
Lateral: Sacrotuberous ligament

Question 18

Which of the below mentioned is not a content of the anal triangle?
a. Anal aperture
b. External anal sphincter
c. Urethra
d. Pudendal nerve

Answer 18

C
Urethra

Question 19

The pudendal nerve arises from what spinal roots?

Answer 19

S2-S4 spinal roots

Question 20

Outline the anterior, posterior and lateral boundaries of the urogenital triangle respectively

Answer 20

Anterior: Lower margin of the pubic symphysis
Posterior: Imaginary line along the ischial tuberosities
Lateral: Lower margin of the ischiopubic ramii

Question 21

Which of the following is a content of the urogenital triangle
a. External genitalia
b. Urethra
c. Perineal body
d. A and B
e. B and C

Answer 21

D
A and B
External genitalia and Urethra

Question 22

The perineal membrane divides the urogenital triangle into a ____________ and _____________ pouch

Answer 22

Deep
Superior

Question 23

The space between the pelvic floor and the perineal membrane is called the _____________

Answer 23

Deep perineal pouch

Question 24

The space between the perineal membrane and the superficial perineal fascia is called _________________

Answer 24

Superficial perineal pouch

Question 25

An irregular fibromuscular mass located at the center point of the perineum is called _________________

Answer 25

Perineal body

Question 26

_____________ serves as a tear-resistant body between the vagina and the external anal sphincter

Answer 26

The perineal body

Question 27

Name 3 muscles that attach to the perineal body

Answer 27

Levator ani muscle Bulbospongiosus muscle External anal sphincter External urethral sphincter Superficial transverse perineal muscle Deep transverse perineal muscle

Question 28

The bed of fat covering the pubic symphysis in females is called ___________

Answer 28

Mons pubis

Question 29

______________ consists of two fleshy folds of skin that extend from the Mons pubis to the posterior commissures

Answer 29

Labia majora

Question 30

The labia minora lies ____________ and ___________ to the labia majora

Answer 30

Medially and deep

Question 31

Fourchettes are skin folds formed from the fusion of ___________ and ____________

Answer 31

Labia majora Labia minora

Question 32

____________ is the most sensitive part of the female body

Answer 32

The Clitoris

Question 33

__________ is located at the upper end of the labia minora and consists of bundles of nerve endings

Answer 33

The clitoris

Question 34

The area in-between the two labia minora where the urethral and vaginal openings are found is referred to as the _________________

Answer 34

Vestibule

Question 35

A thin membrane of soft tissue that lies between the vaginal orifice is called _____________

Answer 35

Hymen