Intermediate Vaginal Canal Quiz

Q1. Which structure is closely related to the lower anterior wall of the vagina?

• Urethra
• Sigmoid colon
• Rectum
• Ovary

Q2. Which peritoneal recess is closely related to the posterior vaginal fornix?

• Omental bursa
• Rectovesical pouch
• Rectouterine pouch
• Vesicouterine pouch

Q3. Which arteries contribute substantially to the blood supply of the vagina?

• Vaginal, uterine, internal pudendal, and middle rectal arterial branches
• Superior mesenteric and inferior mesenteric arteries only
• Femoral and profunda femoris arteries only
• Renal and gonadal arteries only

Q4. Where does the venous plexus around the vagina primarily drain?

• Great saphenous vein
• Portal venous system
• Internal iliac venous system
• Azygos system only

Q5. Where does lymph from the upper vagina primarily drain?

• Internal and external iliac lymph nodes
• Submental lymph nodes
• Axillary lymph nodes
• Popliteal lymph nodes

Q6. Where does lymph from the lower vagina commonly drain?

• Para-aortic lymph nodes only
• Superficial inguinal lymph nodes
• Mediastinal lymph nodes
• Deep cervical lymph nodes

Q7. Which tissue layers form the vaginal wall?

• Mucosa, cartilage, and serosa
• Endometrium, myometrium, and perimetrium
• Epidermis, dermis, and hypodermis
• Mucosa, muscular layer, and adventitia

Q8. Why can the vagina expand considerably during childbirth?

• Its wall is supported by rigid cartilage rings
• Its lumen is surrounded by bone
• Its epithelium is keratinized into fixed plates
• Its rugae and compliant fibromuscular wall permit distention

Q9. Which nerve provides somatic sensory innervation to the lower part of the vagina?

• Vagus nerve
• Femoral nerve
• Pudendal nerve
• Phrenic nerve

Q10. Which statement best describes autonomic innervation of the upper vagina?

• It is supplied only by the pudendal nerve
• It is supplied through the uterovaginal plexus
• It is supplied only by the femoral nerve
• It is supplied by the brachial plexus