Intermediate Penis Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What is the role of the tunica albuginea in penile anatomy?
- Protects the urethral opening
- Maintains rigidity by enclosing corpora cavernosa
- Secretes seminal fluid
- Forms the foreskin
Q2. Which arteries supply blood to the erectile tissues of the penis?
- Intercostal arteries
- Renal arteries
- Inferior mesenteric arteries
- Deep arteries of the penis (cavernosal)
Q3. What is the function of the ischiocavernosus muscle during erection?
- Controls bladder function
- Pumps blood from the heart
- Relaxes the foreskin
- Compresses base to maintain erection
Q4. Which nerve provides sensory innervation to the penis?
- Sciatic nerve
- Genitofemoral nerve
- Dorsal nerve of the penis
- Obturator nerve
Q5. How does nitric oxide contribute to penile erection?
- Blocks sensory feedback
- Relaxes smooth muscle and increases blood flow
- Stimulates testosterone release
- Contracts penile arteries
Q6. Which venous structure drains blood from the corpora cavernosa?
- Femoral vein
- Deep dorsal vein
- Great saphenous vein
- Portal vein
Q7. Which layer lies directly beneath the skin of the penis?
- Cavernous tissue
- Ischiocavernosus muscle
- Superficial (Dartos) fascia
- Tunica albuginea
Q8. What is the function of the urethral meatus?
- Anchors the foreskin
- Supports erection
- Produces mucus for lubrication
- External opening for urine and semen
Q9. What structure is affected in Peyronie’s disease?
- Dartos fascia
- Seminal vesicle
- Corpus spongiosum
- Tunica albuginea
Q10. What neural reflex controls ejaculation?
- Spinal ejaculatory reflex (sympathetic)
- Parasympathetic voiding reflex
- Vagal inhibition
- Cortical motor reflex