Beginner Sympathetic Innervation of the Abdomen Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. From which general region of the spinal cord does sympathetic outflow arise?
- Thoracolumbar region
- Sacral region only
- Cervical region only
- Craniosacral region
Q2. Which nerves carry many preganglionic sympathetic fibers from the thorax toward abdominal prevertebral ganglia?
- Pelvic splanchnic nerves
- Vagus nerves
- Phrenic nerves
- Thoracic splanchnic nerves
Q3. Which type of ganglia are major relay sites for sympathetic innervation of abdominal viscera?
- Dorsal root ganglia
- Ciliary ganglia
- Prevertebral ganglia
- Intramural parasympathetic ganglia only
Q4. Which ganglion is closely associated with sympathetic supply to foregut derivatives?
- Otic ganglion
- Celiac ganglia
- Geniculate ganglion
- Submandibular ganglion
Q5. Which ganglion is closely associated with sympathetic supply to midgut derivatives?
- Inferior cervical ganglion
- Superior mesenteric ganglion
- Pterygopalatine ganglion
- Ciliary ganglion
Q6. Which ganglion is closely associated with sympathetic supply to hindgut derivatives?
- Submandibular ganglion
- Celiac ganglion only
- Inferior mesenteric ganglion
- Otic ganglion
Q7. After synapsing in prevertebral ganglia, how do many sympathetic fibers reach abdominal organs?
- Along periarterial plexuses
- Through the brachial plexus
- Through the femoral canal
- Through the vagal trunks
Q8. What is a common effect of sympathetic activity on gastrointestinal motility?
- Voluntary contraction of intestinal smooth muscle
- Increased peristalsis throughout the gut
- Reduced gastrointestinal motility
- No influence on gastrointestinal function
Q9. Which autonomic division generally causes vasoconstriction in many abdominal blood vessels?
- Sympathetic division
- Parasympathetic division exclusively
- Enteric system exclusively
- Somatic motor system
Q10. Which abdominal organ receives preganglionic sympathetic fibers that synapse directly on chromaffin cells?
- Appendix
- Gallbladder
- Pancreatic duct
- Adrenal medulla