Intermediate Penile Urethra Quiz

Q1. Where does the spongy urethra begin?

• Within the bulb of the penis
• Inside the renal pelvis
• Within the seminal vesicle
• At the ureteric orifice

Q2. Which portion of the spongy urethra is relatively expanded within the bulb of the penis?

• Prostatic urethra
• Intrabulbar urethra
• Ureter
• Preprostatic urethra

Q3. What is the fossa navicularis?

• A recess of the urinary bladder
• A cavity in the prostate
• Expanded terminal spongy urethra within the glans
• A space within the corpus cavernosum

Q4. Where do the ducts of the bulbourethral glands open?

• Proximal spongy urethra
• Prostatic utricle
• Ductus deferens
• Urinary bladder

Q5. Why does the corpus spongiosum remain less rigid than the corpora cavernosa during erection?

• To stop semen from entering the urethra
• To help maintain urethral patency
• To close the urethra completely
• To prevent arterial inflow

Q6. Which urethral region immediately precedes the spongy urethra?

• Ureter
• Ejaculatory duct
• Membranous urethra
• Prostatic utricle

Q7. What type of epithelium predominates through much of the spongy urethra?

• Transitional epithelium throughout its entire length
• Pseudostratified or stratified columnar epithelium
• Simple squamous epithelium throughout
• Keratinized stratified squamous epithelium throughout

Q8. How does the epithelium change near the external urethral orifice?

• It becomes simple cuboidal epithelium
• It transitions to stratified squamous epithelium
• It becomes cartilage
• It becomes cardiac muscle

Q9. Which small glands are associated with the spongy urethral mucosa?

• Parathyroid glands
• Pineal glands
• Urethral glands of Littre
• Adrenal glands

Q10. Which part of the male urethra is the longest?

• Intramural urethra
• Spongy urethra
• Membranous urethra
• Prostatic urethra