Male Genitaia Flashcards

1
Q

What are the erectile tissue of the penis?

A
  1. Corpus spongiosum
    *contains the urethra
    *extends from the bulb of the penis to the cone shaped glans with its expanded base or corona
  2. 2 Corpora cavernosa
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2
Q

What is the function of the penis

A
  1. Excretes urine
  2. Introduces sperm into vagina
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3
Q

In uncircumcised men what is the glans covered by?

A
  1. Loose, hood-like skin fold called prepuce or foreskin
  2. Smegma or secretions of the glans may collect
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4
Q

Where does the urethra open?

A
  1. Into a vertical slit-like urethral meatus
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5
Q

What are the testes and what are they covered by

A
  1. They are paired ovoid glands consisting primarily of seminiferous tubules and interstitial tissue
    *covered by a fibrous outer coating tunica albuginea
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6
Q

What are the normal size of the testes

A

Pre-puberty
*1.5 to 2 cm
Post-puberty
*4 to 5 cm

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7
Q

What is the scrotum

A

A loose wrinkled punch of skin and underlying the tunica darts

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8
Q

What does the scrotum contain

A

Its divided into two compartments each contains a testicle

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9
Q

What covers the testis posteriorly

A

Tunica vaginalis
*derived from the peritoneum of the abdomen

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10
Q

What can lead to an indirect inguinal hernia

A

If the peritoneal lining remains and open channel to the scrotum

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11
Q

What leads to a hydrocele

A
  1. The parietal and visceral layers form a potential space for the abnormal fluid accumulation
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12
Q

What is the purpose of the vas deferens

A
  1. Transports sperm from the tail of the epidermis along to the urethra
    *will ascend from the scortal sac (as the spermatic cord) into the pelvic cavity through the inguinal canal via the external inguinal ring
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13
Q

What helps form the ejaculatory duct

A
  1. Vas deferens and seminal vesicle
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14
Q

What contributes to seminal fluid

A
  1. Secretions from the vas deferens, seminal vesicles and prostate
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15
Q

Which testis hangs lower?

A
  1. Left
    *will produce spermatozoa and testosterone
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16
Q

What is the purpose of the epididymis

A
  1. On the posterolateral surface of each testis
    *provides a reservoir for storage, maturation and transport of sperm
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17
Q

Where are femoral hernias located

A
  1. Inside the femoral canal
    *presents as emergencies with bowl incarceration or strangulation
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18
Q

Where are indirect inguinal hernias located

A
  1. Develop at the internal inguinal ring (into the abdominal canal)
    *where the spermatic cord exits the abdomen
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19
Q

Where are direct hernias located

A
  1. Arise more medially due to weakness in the flor of the inguinal canal
    *associated with straining and heavy lifting
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20
Q

When does sexual differentiation happen by?

A

12 weeks
*decent of tests may occur after birth
*undescended happens bc of cancer

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21
Q

When does complete separation of the prepuce happen?

A
  1. 3 to 4 years
22
Q

What are the basic landmarks of the groin

A
  1. ASIS
  2. Iliac spine
  3. Pubic tubercle
  4. Inguinal ligament
23
Q

Where does the inguinal canal lie?

A
  1. Lies above and parallel to the inguinal ligament
    *forms a tunnel for the vas deferens
24
Q

What where does the external inguinal canal open into?

A
  1. The scrotum
25
Q

What produces inguinal hernias

A
  1. When loops of bowel force their way through weak areas of the inguinal canal
26
Q

What question will help determine desire, arousal, orgasm and ejaculation

A

Desire
*have you maintained interest in sex
Arousal
*can you achieve and maintain an erection
Orgasm and ejaculation
*about how long does intercourse last

27
Q

What can be associated with difficulty achieving and maintaining an erection

A
  1. Pain
  2. Character
  3. Associated symptoms
  4. Medications
28
Q

What can be associated with difficulty with ejaculation

A
  1. Painful and premature
  2. Efforts tok treat
  3. Character of ejaculate
  4. Medications
29
Q

What to document if there is an enlargement in the inguinal area

A
  1. Character
  2. Change in mass
  3. Pain in groin
  4. Efforts to treat
  5. Medications
30
Q

What to include in the PMH

A
  1. Surgery of genitourinary tract
  2. Sexual history
  3. Chronic illness
31
Q

Are testicular self-examinations recommended?

A
  1. No
    *recommend to be aware of testicles
32
Q

If there is swelling or sore on the penis or scrotum on children what does that indicate

A
  1. Cleanliness issue or sexual abuse
33
Q

What does the USPTF think about testicular self examinations

A

D

34
Q

When checking for hernias how should the patients be situated

A
  1. Stand
    *examiner should sit on a chair or stool
35
Q

How to test the cremasteric reflex

A

Stroke the inner thigh
*then the testicle will pull back

36
Q

What are indirect inguinal hernias

A
  1. Extend into scrotum through the internal ring
    *due to patent processes vaginalis - will stay open and creates a weak spot
    *lateral to the inferior epigastric
37
Q

Where do indirect inguinal hernias travel into?

A
  1. Into the scrotum through the internal ring
38
Q

What is the most common hernias in males and females

A

Indirect inguinal hernias
*have patient turn head and cough

39
Q

What are direct inguinal hernias

A
  1. Viewed as acquired hernia due to weakness of muscle wall “no sac”
    *medial to inferior Epigastric vessels
    *mostly fat and less bowl (less risk of incarceration (getting stuck on in the inguinal ring)
    *associated with older, overweight males
40
Q

What are femoral hernias

A

Acquired no sac
1. In triangle of inguinal ligament, femoral vein, and underside of pubic bone
*more common in females (still not more common than indirect)
*strangulation is common

41
Q

If you are unable, to see the discharge that the patients reports due to an uncircumcised penis what should you do?

A
  1. Ask the patient to retract his foreskin
42
Q

What does the epididymis feel like?

A
  1. Soft nodular, cordlike structure at the back of the testicle
43
Q

If there is a hernia while the patient is standing what should you do?

A
  1. Have them lie down to see if the hernia goes away
    *if it disappears it is almost always a hernia
44
Q

What happens if the mass remains prominent when the patient lies down?

A
  1. Listen to the mass with a stethoscope, if bowel sounds are heard it is almost always a hernia
  2. Shine a light from behind the scrotum through the mass
    *if a red glow is observed is is probably not a hernia
45
Q

What is paraphimosis

A

Foreskin is retracted and wont move

46
Q

What is hypospadias

A

Urethral meatus is below

47
Q

What is molluscum contagiosum

A
  1. Waxy dome with a central umbilication (common in kids)
48
Q

What does a varicocele feel like?

A

Bag of worms

49
Q

How to treat testicular torsion

A

Try to turn the testicle externally

50
Q

What is Klinefelter syndrome

A

Small testicles in adult, hypospadius, small penis, and undescended testicles may be present in infant\
*male patients have more female like characteristics

51
Q

What steps to a male genitalia exam are done with the patient lying or standing?

A
  1. Inspect the pubic hair characteristics and distribution
  2. Retract the foreskin if the patient is uncircumcised