Pelvis & Perineum

Question 0

What is the area above the pelvic inlet called?

Answer 0

Pelvis major, or the false pelvis

Question 1

What three structures define the pelvic inlet?

Answer 1

Sacral promontory
Illiopectineal line
Symphysis pubis

Question 2

What is the area below the pelvic inlet called?

Answer 2

Pelvis minor, or the true pelvis

Question 3

The rectum, blood vessels lymphatics and nerves are all in the pelvic cavity along with what other two types of structures?

Answer 3

Terminal parts of ureters and the genital organs

Question 4

What gender has an oval shaped obturator foramen?

Answer 4

Female

Question 5

What gender has a deeper pelvis major?

Answer 5

Male

Question 6

What gender has a wide and shallow pelvis minor?

Answer 6

Female

Question 7

What muscle that leaves through the lesser sciatic foramen is found on the lateral wall of the pelvis?

Answer 7

Obturator internus

Question 8

The diaphragm on the floor of pelvis minor is composed of what three structures?

Answer 8

Levator ani
Coccygeus muscles
Associated fascia

Question 9

What are the three muscles that form the Levator ani muscle?

Answer 9

Puborectalis muscle
Pubococcygeus muscle
Iliococcygeus muscle

Question 10

Of the muscles comprising the Levator ani, which portion Is the sling around the anorectal junction?

Answer 10

Puborectalis muscle

Question 11

Of the muscles comprising the Levator ani, which portion Is considered the main part?

Answer 11

Pubococcygeus muscle

Question 12

Of the muscles comprising the Levator ani, which portion Is the thinnest and most posterior?

Answer 12

Iliococcygeus muscle

Question 13

What is the innervation to the Levator ani?

Answer 13

S4 (Pudendal Nerve)

Question 14

What gender will have a broader puborectalis muscle with a deeper cup?

Answer 14

Male

Question 15

What special role does Levator ani play during pregnancy?

Answer 15

It Supports the fetal head

Question 16

What muscle is usually damaged during childbirth?

Answer 16

Pubococcygeus muscle

Question 17

What three nerves off of the sacral plexus make their way to the pelvic muscles, perineum and viscera?

Answer 17

Pudendal nerve
N. To piriformis
Pelvic splanchnic

Question 18

What muscle is responsible for contraction of the urinary bladder?

Answer 18

Detrusor muscle

Question 19

What is the name for the valley of space found between the urinary bladder and the anterior surface of the rectum?

Answer 19

Recto prostatic/ uteran pouch.

Question 20

What is above the detrusor?

Answer 20

The abdominal wall

Question 21

What is behind the detrusor?

Answer 21

Rectum and anal canal

Question 22

About how long is the female urethra?

Answer 22

1.5 inches

Question 23

What is the muscle surrounding the neck of the female urethra?

Answer 23

Sphincter urethrae muscle

Question 24

The gap between the prostate and the length of the penis is called what?

Answer 24

The membranous urethra

Question 25

Does the external sphincter voluntarily or involuntary control urination?

Answer 25

Voluntarily

Question 26

What phase or function of the urinary bladder does the sympathetic innervation control?

Answer 26

The filling phase

Question 27

Which fibers respond to the stretch and length of the urinary bladder?

Answer 27

Visceral afferent fibers

Question 28

Pain and temperature for the urinary bladder is mostly governed by what nerve root?

Answer 28

S2,3,4

Question 29

To fill up and store urine in the bladder, there must be a relaxation of what muscle?

Answer 29

Detrusor muscle

Question 30

During the voiding phase, will the external sphincter relax or contract?

Answer 30

Relax

Question 31

The spermatic cord exits through what structure?

Answer 31

The superficial ring

Question 32

The cremaster muscle, along with what nervous structure, control the way the testes move and flow?

Answer 32

The genital branch of the genitofemoral nerve.

Question 33

What cord structure collects the sperm and connects to the vas deferens and is a common site of testicular cancer?

Answer 33

Epididymis