Chapter 24: Male Genitalia A&P

Question 1

Penis

Answer 1

composed of three cylindrical columns of erectile tissue

Question 2

Glans penis

Answer 2

distal end of the shaft, the corpus spongiosum expands into a cone of erectile tissue

Question 3

Corona

Answer 3

shoulder where the glans joins the shaft

Question 4

Urethra/Meatus

Answer 4

opening slit at the glans tip

Question 5

Foreskin

Answer 5

skin that folds over the glands

Question 6

Frenulum

Answer 6

fold of foreskin on the ventral surface of the urethral meatus

Question 7

Scrotum

Answer 7

loose protective sac

Question 8

Cremaster muscle

Answer 8

controls the size of the scrotum by responding to temperature

Question 9

Testitis

Answer 9

4-5 cm oval shaped organ located in the scrotum, produces sperm

Question 10

Epididymis

Answer 10

coiled duct system, main storage site for sperm

Question 11

Vas deferens

Answer 11

muscular duct

Question 12

Spermatic cord

Answer 12

ascends along the posterior border of the testis and runs through the inguinal canal into the abdomen, behind the bladder to form the ejaculatory duct

Question 13

Lymphatics of the penis and scrotum drain into

Answer 13

inguinal lymph nodes

Question 14

Lymphatics of the testes drain into the

Answer 14

abdomen

Question 15

Inguinal Area/Groin

Answer 15

juncture of the lower abdomen wall and the thigh

Question 16

Inguinal Ligament

Answer 16

between the anterior superior iliac spine and the symphysis pubis

Question 17

Inguinal Canal

Answer 17

a narrow tunnel passing obliquely between layers of abdominal muscle

Question 18

Femoral Canal

Answer 18

3 cm medial to the femoral artery

Question 19

History (Subjective)

Answer 19

A. Urine frequency and/or urgency
B. Nocturia
C. Dysuria
D. Urine hesitancy and straining
E. Urine color and/or odor
F. Past GU Hx - hx UTI, kidney stones, kidney disease, incontinence
G. Penile discharge, pain, and/or lesions
H. Scrotum - lumps or swelling (increased size)
I. Self Care Behavior - testicular self examination
J. Sexual activity and contraceptive use
K. STD Hx and/or Contact

Question 20

Physical Exam/Assessment (Objective)

Answer 20

A. Inspect and palpate penis - note skin lesion, color, shape, masses
B. Retract foreskin (maybe done by the patient or examiner)
-Smegma is a common finding, white cheesy substance, dead skin cells
C. Note the urethral meatus position - it should be centrally located, note any
discharge
D. Inspect and palpate scrotum, palpate testis, note nodules, absent testis, marked
tenderness, swelling
1. If swelling is present, note transillumination
E. Palpate spermatic cord - note swelling and/or tenderness
F. Inspect and palpate for hernia - inspect inguinal region for a bulge, palpate the
inguinal canal, palpate the femoral area
G. Palpate inguinal lymph nodes
H. Testicular Self Examination (TSE) Instruction

Question 21

Testicular Self Examination TSE

Answer 21

T- timing, 1x/month
S - shower, warm water relaxes scrotal sac
E - examine, check for changes, masses, nodules, etc.

Question 22

Herpes

Answer 22

clusters of small vesicular lesions with surrounding erythema
painful virus remains dormant indefinitely

Question 23

Syphilis

Answer 23

begins as a small, solitary, silvery papule that erodes to a red, round/oval superficial ulcer w/ yellowish serous discharge
palpation reveals a nontender indurated base that can be lifted like a button between the thumb and the finger

Question 24

Genital Warts

Answer 24

soft, fleshy, painless papules may be singles or multiple in a
cauliflowerlike patch, color may be gray, pink, pale yellow or flesh colored

Question 25

Phimosis

Answer 25

foreskin is fixed and so tight it is impossible to retract over glans

Question 26

Paraphimosis

Answer 26

foreskin is retracted and fixed

Question 27

Urethritis

Answer 27

infection of urethra causes painful burning urination, meatus edges are reddened and swollen

Question 28

Hypospadias

Answer 28

urethral meatus opens on the ventral (under) side of glans or shaft

Question 29

Cryptorchidism

Answer 29

absent or undescended testis

Question 30

Testicular Torsion

Answer 30

sudden twisting of spermatic cord, causing excruciating pain
in testicle of sudden onset, one testis usually higher owing to rotation and
shortening

Question 31

Epididymitis

Answer 31

acute infection of epididymis, severe pain, rapid swelling, fever,
WBC and bacteria in urine

Question 32

Varicocele

Answer 32

dilated, tortuous varicose veins in the spermatic cord, feels like a bag
of worms

Question 33

Hydrocele

Answer 33

nontender swelling of testis, collection of serous fluid in tunica
vaginalis surrounding testis, +transillumination

Question 34

Hernia

Answer 34

loop of bowel protruding through a weak spot in the musculature