Chapter 24: Male Genitourinary System

Question 1

When does the production of Testosterone decline

Answer 1

By age 70.

Question 2

What are some age-related changes that occur among aging adult males?

Answer 2

Decrease in pubic hair, penile size. slower; less intense sexual response, erection takes longer to develop, and ejaculation shorter, less forceful, and with rapid detumescence.

Question 3

What are some urinary changes an aging male may experience?

Answer 3

enlarged prostate, difficulty urinating, urgency, hesitancy, dribbling of urine, difficult to start urine flow, increase in nocturia, increase in hematuria.

Question 4

What is suspected with males who experience painless hematuria UNTIL proven otherwise?

Answer 4

Prostate.. This may also signal kidney stones or neoplasm.

Question 5

Which muscle controls the size of the scrotum by responding to ambient temperature?

Answer 5

Cremaster Muscle

Question 6

What is the epididymis?

Answer 6

A markedly coiled duct system and the main storage site for sperm.

Question 7

Where do the lymphatics of the testes/scrotal surface and testes drain?

Answer 7

Penis/scrotal surface lymphatics drain into the inguinal lymph nodes. The Testes lymphatics drain into the abdomen.

Question 8

What are the measurements of a testis at birth?

Answer 8

1.5-2 cm long and 1 cm wide.

Question 9

What are the Avg ages of Puberty in both African American and Caucasian/Hispanic boys?

Answer 9

Age 9 to African Americans and Age 10 for both Caucasians and Hispanic males.

Question 10

What is the order of changes that occur with puberty

Answer 10

enlargement of testis, appearance of pubic hair, and deepening of the voice.

Question 11

Things that may contribute to earlier onset of puberty?

Answer 11

Chemical exposure, inactivity, and diet changes.

Question 12

What are some subjective data that you need to ask a male about during exam?

Answer 12

frequency-urgency,nocturia, dysuria, hesitancy, straining, past genitourinary history, urine color, penis, scrotum, self-care, sexual activity and contraceptive use, STI contact.

Question 13

What is nocturnal enuresis?

Answer 13

Involuntarily urinating at night after age 5-6 years.

Question 14

why should children have 3 trusted adults OTHER than parents they can name?

Answer 14

They need to have support people who they can go to, as parents are often perpetrators of sexual abuse.

Question 15

What vaccine helps to prevent genital warts in men and HPV-related cervical cancer in women?

Answer 15

Gardasil

Question 16

What is nocturia and some of its causes?

Answer 16

Nocturia: increased need to urinate at night, may be caused by diuretics, habit, fluid ingestion 3hrs before bed, coffee and alcohol consumption.

Question 17

What are some abnormal findings when inspecting the penis

Answer 17

lesions, nodules, chancre (solitary ulcer) grouped vesicles, superficial ulcers, wartlike papules, and male genital warts.

Question 18

What is phimosis

Answer 18

narrowed opening of prepuce; cant retract the foreskin

Question 19

What is paraphimosis

Answer 19

painful constriction of the glans by retracted foreskin

Question 20

what is hypospadias?

Answer 20

ventral location of meatus

Question 21

What is epispadiasis

Answer 21

dorsal location of meatus

Question 22

When is testicular cancer most often occurring? what is it often associated with? What is TSE

Answer 22

15-35yr. Often associated with cryptorchism.
T: timing, once a month
S: shower, warm water, relaxes the scrotal sac
E: examine, check for changes, report changes immediately.

Question 23

What are typical characteristics of urine? What does typical urinalysis of male urine show?

Answer 23

pale in color, pH 4.5-8.0, specific gravity (1.003-1.030), < 5 RBC or WBC.

Question 24

Proteinuria indicates? Glycosuria indicates? Increased WBCs, increased RBCs indicate?

Answer 24

proteinuria: glomerular disease in the nephron, glycosuria: hyperglycemia.
Increased WBCs: UTI,
Increased RBCs: UTI, glomerulonephritis, renal calculi, trauma, and cancer.

Question 25

What does creatinine measure? What does the BUN measure

Answer 25

Creatinine measures glomerular filtration rate. When GFR decreases by half, the serum creatinine doubles, indicating decreased kidney function. BUN: Blood Urea
Nitrogen rises with decreased kidney function. BUN measures urea nitrogen in the blood. This is a waste product from the liver breaking down proteins

Question 26

What is the GFR, its normal values

Answer 26

Glomerular Filtration Rate is the product of filtration pressure in the glomeruli.
Normal value: 125mL/min.