Intermediate Rectum Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which arteries can contribute to the arterial supply of the rectum?
- Renal and gonadal arteries only
- Celiac and splenic arteries only
- Right, middle, and left colic arteries only
- Superior, middle, and inferior rectal arteries
Q2. The superior rectal artery is the terminal continuation of which artery?
- External iliac artery
- Internal iliac artery
- Superior mesenteric artery
- Inferior mesenteric artery
Q3. The middle rectal artery, when present, usually arises from which arterial system?
- Internal iliac artery
- External carotid artery
- Superior mesenteric artery
- Celiac trunk
Q4. The inferior rectal artery most commonly arises from which artery?
- Inferior mesenteric artery
- Middle colic artery
- Internal pudendal artery
- Renal artery
Q5. Which venous route from the upper rectum belongs to the portal venous system?
- Inferior rectal vein to internal pudendal vein
- Middle rectal vein to internal iliac vein
- Superior rectal vein to inferior mesenteric vein
- Femoral vein to external iliac vein
Q6. Which rectal veins contribute to systemic venous drainage through the internal iliac system?
- Middle rectal veins
- Left colic veins only
- Ileocolic veins
- Superior rectal veins only
Q7. Which lymph nodes primarily receive lymph from the upper rectum along the superior rectal vessels?
- Superficial inguinal nodes
- Celiac nodes
- Inferior mesenteric nodes
- Axillary nodes
Q8. Which lymph nodes are important for drainage from lower portions of the rectum?
- Internal iliac and sacral nodes
- Celiac nodes only
- Popliteal nodes only
- Axillary and cervical nodes
Q9. What happens to the longitudinal muscle of the colon at the rectosigmoid junction?
- The taeniae spread into a continuous longitudinal layer
- They form the pelvic diaphragm
- They disappear completely
- They become skeletal muscle
Q10. Which autonomic plexus carries sympathetic and parasympathetic fibers toward the rectum?
- Inferior hypogastric plexus
- Brachial plexus
- Cervical plexus
- Lumbar somatic plexus only