Male Pelvic Cavity

Question 1

3 Erectile Tissue forming the penis

Answer 1

Bulb of the penis
Crus of penis (2)

Question 2

Enzyme marker for prostate cancer found in blood examination

Answer 2

Acid phosphatase

Question 3

Normal weight of prostate

Answer 3

8g

Question 4

What separates the rectum from the seminal vesicle

Answer 4

Denonvillier’s fascia

Question 5

Lymph from the prostate gland drains in

Answer 5

External iliac nodes
Internal iliac nodes
Obturator nodes
Sacral nodes

Question 6

Penile lymph nodes

Answer 6

• (skin) superficial inguinal nodes
• (glans penis) deep inguinal and external iliac nodes
• (erectile tissue) internal iliac nodes

Question 7

Undescended Testis

Answer 7

Cryptorchidism

Question 8

Lymph nodes that drain urethra

Answer 8

(Posterior): external and internal iliac nodes
(Anterior): deep and superficial inguinal nodes

Question 9

Allows to predict malignancy close to the prostate

Answer 9

External and internal iliac nodes

Question 10

Allows to predict malignancy, lesions, and infections including gonorrhea, gonococcal urethritis, lymphadenopathy or swelling in the penile urethra

Answer 10

Deep and superficial inguinal nodes

Question 11

Posterior branches of the internal iliac artery

Answer 11

Iliolumbar artery
Lateral sacral artery
Superior gluteal artery

Question 12

Catheter inserted during a urethral obstruction instead of the usual foley catheter

It is inserted during a full bladder - avoids the obstructed area

Answer 12

suprapubic catheter

collected urine is least contaminated - it is sterile

Question 13

Among the erectile tissue muscle,
(1) which one plays a major role in the process of erection and
(2) which one functions during emptying of urine and semen

Answer 13

(1) ischiocavernosus muscles
(2) bulbospongiosus muscles

Erection is due to accummulation of blood; contraction of muscles impinge on the dorsal penile vein which causes blood to pool

Question 14

Sacral Plexus

Memorize

Answer 14

Question 15

Penile part of urethra has two angles:

(1) anterior bend in the root of the penis after passing the perineal membrane

(2) follows the inferior curve of the penis - disappears when erect

Answer 15

(1) Fixed angle
(2) Unfixed angle

Question 16

() prevents mixing of alkaline semen with urine during intercourse; or retrograde flow of ejaculation

also functions in urinary continence; crescentic urethral lumen

Innervated completely by sympathetic nerve fibers

Answer 16

Preprostatic urethra

Question 17

Prostatic Urethra parts:
(1) posterior wall
(2) floor

Answer 17

(1) midline ridge or urethral crest - each side has a shallow depression called prostatic sinus

(2) with prostatic ducts

Question 18

Homologus for the female uterus or vagina

Answer 18

prostatic utricle

Question 19

Midline elevation of the urethral crest

Answer 19

Verumontanum, colluculus seminalis, or superior colliculus

contains the slit-like orifice of the prostatic utricle

Question 20

Urethral Supply:

a.) blood supply
b.) venous drainage
c.) lymph drainage

Answer 20

a.) proximal - urethral artery branch of the internal pudendal artery; penile - dorsal penile artery

b.) dorsal internal vein to internal pudendal vein

c.) Posterior - internal & external iliac nodes, anterior - deep and superficial inguinal nodes

Question 21

Largest zone in prostate

A. peripheral
B. central
C. transitional

Answer 21

A. Peripheral