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Questions and Answers
Which nerves are responsible for innervating the parietal peritoneum, abdominal wall muscles, and skin?
Which nerves are responsible for innervating the parietal peritoneum, abdominal wall muscles, and skin?
- Ventral rami of thoracoabdominal nerves (correct)
- Sympathetic fibers
- Parasympathetic fibers
- Splanchnic nerves
Which part of the colon receives sympathetic innervation from T5-L2?
Which part of the colon receives sympathetic innervation from T5-L2?
- Descending colon
- Sigmoid colon
- Rectum
- Proximal part of the colon (correct)
What is the function of sympathetic efferent nerves in the gastrointestinal system?
What is the function of sympathetic efferent nerves in the gastrointestinal system?
- Stimulate peristalsis and gastric distension
- Regulate digestive enzyme secretion
- Inhibit peristalsis and gastric distension and cause GI vasoconstriction (correct)
- Transmit visceral pain
Where do preganglionic sympathetic fibers exit the spinal cord?
Where do preganglionic sympathetic fibers exit the spinal cord?
What is the function of sympathetic afferent fibers in the gastrointestinal system?
What is the function of sympathetic afferent fibers in the gastrointestinal system?
Which ganglia and plexus are formed by the sympathetic fibers in the upper abdomen?
Which ganglia and plexus are formed by the sympathetic fibers in the upper abdomen?
Which nerves are responsible for innervating the liver, stomach, pancreas, and small bowel?
Which nerves are responsible for innervating the liver, stomach, pancreas, and small bowel?
What is the origin of sympathetic fibers innervating the descending colon, sigmoid, and rectum?
What is the origin of sympathetic fibers innervating the descending colon, sigmoid, and rectum?
Where do the preganglionic sympathetic fibers synapse with postganglionic fibers?
Where do the preganglionic sympathetic fibers synapse with postganglionic fibers?
What is the function of the ventral rami of thoracoabdominal nerves in the gastrointestinal system?
What is the function of the ventral rami of thoracoabdominal nerves in the gastrointestinal system?
What is the primary function of afferent parasympathetic nerves in the gastrointestinal system?
What is the primary function of afferent parasympathetic nerves in the gastrointestinal system?
Where are parasympathetic postganglionic neurons located in the gastrointestinal system?
Where are parasympathetic postganglionic neurons located in the gastrointestinal system?
Which spinal cord segments are responsible for innervating the colon, rectum, and internal and external genitalia?
Which spinal cord segments are responsible for innervating the colon, rectum, and internal and external genitalia?
What is the function of efferent parasympathetic nerves in the gastrointestinal system?
What is the function of efferent parasympathetic nerves in the gastrointestinal system?
What is the pathway of some vagal fibers that supply the abdominal viscera?
What is the pathway of some vagal fibers that supply the abdominal viscera?
Which part of the colon receives parasympathetic innervation via the vagus nerve?
Which part of the colon receives parasympathetic innervation via the vagus nerve?
Which spinal cord segments are responsible for innervating the internal and external genitalia?
Which spinal cord segments are responsible for innervating the internal and external genitalia?
Where do some vagal fibers pass through to supply the abdominal viscera?
Where do some vagal fibers pass through to supply the abdominal viscera?
What is a characteristic of abdominal visceral innervation?
What is a characteristic of abdominal visceral innervation?
What is the function of the 'dual-function' properties of abdominal visceral innervation?
What is the function of the 'dual-function' properties of abdominal visceral innervation?
Which plexus is responsible for the innervation of the GI organs up to the proximal transverse colon?
Which plexus is responsible for the innervation of the GI organs up to the proximal transverse colon?
What is a result of the stimulation of abdominal visceral innervation?
What is a result of the stimulation of abdominal visceral innervation?
What is a characteristic of the connections between nerves, ganglia, and plexuses in abdominal visceral innervation?
What is a characteristic of the connections between nerves, ganglia, and plexuses in abdominal visceral innervation?
What is a characteristic of the fibers in abdominal visceral innervation?
What is a characteristic of the fibers in abdominal visceral innervation?
What is the effect of intraabdominal pathology on visceral innervation anatomy?
What is the effect of intraabdominal pathology on visceral innervation anatomy?
What is the relationship between the fibers in abdominal visceral innervation?
What is the relationship between the fibers in abdominal visceral innervation?
What is a characteristic of the fibers in abdominal visceral innervation?
What is a characteristic of the fibers in abdominal visceral innervation?
What is the usual location of the greater splanchnic nerve in relation to the T12 vertebral body?
What is the usual location of the greater splanchnic nerve in relation to the T12 vertebral body?
From which spinal cord segments do the fibers of the lesser splanchnic nerve arise?
From which spinal cord segments do the fibers of the lesser splanchnic nerve arise?
What is the shape of the celiac ganglia?
What is the shape of the celiac ganglia?
What is the approximate width of the celiac ganglia?
What is the approximate width of the celiac ganglia?
What structures are contained in the prevertebral retroperitoneal space?
What structures are contained in the prevertebral retroperitoneal space?
What is the approximate level of the inferior border of the celiac plexus?
What is the approximate level of the inferior border of the celiac plexus?
What is the typical origin of the greater splanchnic nerve?
What is the typical origin of the greater splanchnic nerve?
What is the location of the celiac ganglia in relation to the aorta?
What is the location of the celiac ganglia in relation to the aorta?
What is the percentage of cases where the lesser splanchnic nerve is not present?
What is the percentage of cases where the lesser splanchnic nerve is not present?
What is the location of the fusion of the celiac ganglia?
What is the location of the fusion of the celiac ganglia?
What is the path taken by the greater splanchnic nerve after originating from the spinal cord?
What is the path taken by the greater splanchnic nerve after originating from the spinal cord?
normally, of how many splanchnic nerves the celiac plexus is composed?
normally, of how many splanchnic nerves the celiac plexus is composed?
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