Intermediate Jejunum Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which arteries directly supply the jejunum?
- Jejunal branches of the superior mesenteric artery
- Sigmoid arteries
- Left colic artery
- Short gastric arteries
Q2. Compared with the ileum, what is the usual arterial arcade pattern in the jejunum?
- Fewer arterial arcades
- No arterial arcades
- Arcades supplied by the inferior mesenteric artery
- More numerous arterial arcades
Q3. Compared with the ileum, how are jejunal vasa recta generally arranged?
- They are absent
- They are always shorter
- They arise from the inferior mesenteric artery
- They are generally longer
Q4. Which gross feature of the jejunal mesentery is associated with its relatively sparse fat?
- Appendices epiploicae
- Haustra within the mesentery
- Complete absence of mesenteric vessels
- Translucent mesenteric windows
Q5. Into which major vein does venous blood from the jejunum primarily drain?
- Azygos vein
- Internal iliac vein
- Superior mesenteric vein
- Inferior vena cava directly
Q6. Which lymph nodes receive lymph from the jejunum along the superior mesenteric vascular tree?
- Superficial inguinal nodes
- Superior mesenteric nodes
- Axillary nodes
- Inferior mesenteric nodes
Q7. Which autonomic plexus distributes sympathetic and parasympathetic fibers toward the jejunum?
- Brachial plexus
- Cervical plexus
- Superior mesenteric plexus
- Inferior hypogastric plexus only
Q8. Which structures project from the jejunal mucosa and increase absorptive surface area?
- Appendices epiploicae
- Taeniae coli
- Intestinal villi
- Haustra
Q9. Which structure marks the beginning of the jejunum?
- Right colic flexure
- Ileocecal valve
- Duodenojejunal flexure
- Rectosigmoid junction
Q10. Which suspensory structure helps support the duodenojejunal flexure?
- Gastrosplenic ligament
- Suspensory muscle of the duodenum
- Falciform ligament
- Median umbilical ligament