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