GI Tract SonoSim
Which of the following statements correctly characterizes the esophagus? - Answer--It originates just
inferior to the C6 vertebral body.
-The esophagus connects the pharynx with the stomach.
Which of the following statements correctly characterizes the relationship between the trachea and
esophagus? - Answer-None of the above
Which of the following statements correctly characterizes the esophagus? - Answer--The esophagus
possesses a mucosal layer composed of rapidly regenerating squamous epithelium.
-The esophagus does not possess a serosal layer through the majority of its course.
-It has a muscularis externa layer that generates peristaltic waves of contraction through the esophagus.
Which of the following statements correctly characterizes the mesentery? - Answer--The mesentery is
formed by a double layer of peritoneum that encases and segregates intestinal loops.
-The mesentery contains the vascular supply serving the intestines.
-The mesentery affixes the intestines to the posterior abdominal wall.
Which of the following statements correctly characterizes the small intestine? - Answer--It begins just
distal to the pylorus.
-It typically measures less than 3 centimeters in diameter (outer wall to outer wall).
, Which of the following is found throughout the entire length of the small intestine? - Answer--Plicae
circularis
-Villi
-Microvilli
Which of the following statements correctly characterizes haustra? - Answer--Haustra are sacculations
of bowel that result from contraction of taeniae coli muscle groups
-Haustra are exclusive to the large intestine.
The inferior mesenteric artery primarily supplies the __________. - Answer-sigmoid colon
Which of the following statements correctly characterizes gastric histophysiology? - Answer--Gastric
chief cells release pepsinogen that is subsequently converted into pepsin.
-Gastrin stimulates release of hydrochloric acid from parietal cells
-Gastrin promotes gastric motility.
Which of the following statements correctly characterizes the ampulla of Vater? - Answer--It is the site
at which biliary and pancreatic secretions enter the duodenum.
-The sphincter of Oddi regulates release of ampulla of Vater contents.
The large and small intestines display virtually identical motility (peristaltic) patterns. - Answer-False
With ultrasound, the esophagus has a bull's-eye appearance in the short axis, while in long axis, it has a
more layered, or striated, heteroechoic appearance. - Answer-True
Which of the following statements correctly characterizes the sonographic appearance of the small and
large intestines? - Answer--The sonographic appearance of intestines will vary somewhat, depending on
lumenal contents.
Which of the following statements correctly characterizes the esophagus? - Answer--It originates just
inferior to the C6 vertebral body.
-The esophagus connects the pharynx with the stomach.
Which of the following statements correctly characterizes the relationship between the trachea and
esophagus? - Answer-None of the above
Which of the following statements correctly characterizes the esophagus? - Answer--The esophagus
possesses a mucosal layer composed of rapidly regenerating squamous epithelium.
-The esophagus does not possess a serosal layer through the majority of its course.
-It has a muscularis externa layer that generates peristaltic waves of contraction through the esophagus.
Which of the following statements correctly characterizes the mesentery? - Answer--The mesentery is
formed by a double layer of peritoneum that encases and segregates intestinal loops.
-The mesentery contains the vascular supply serving the intestines.
-The mesentery affixes the intestines to the posterior abdominal wall.
Which of the following statements correctly characterizes the small intestine? - Answer--It begins just
distal to the pylorus.
-It typically measures less than 3 centimeters in diameter (outer wall to outer wall).
, Which of the following is found throughout the entire length of the small intestine? - Answer--Plicae
circularis
-Villi
-Microvilli
Which of the following statements correctly characterizes haustra? - Answer--Haustra are sacculations
of bowel that result from contraction of taeniae coli muscle groups
-Haustra are exclusive to the large intestine.
The inferior mesenteric artery primarily supplies the __________. - Answer-sigmoid colon
Which of the following statements correctly characterizes gastric histophysiology? - Answer--Gastric
chief cells release pepsinogen that is subsequently converted into pepsin.
-Gastrin stimulates release of hydrochloric acid from parietal cells
-Gastrin promotes gastric motility.
Which of the following statements correctly characterizes the ampulla of Vater? - Answer--It is the site
at which biliary and pancreatic secretions enter the duodenum.
-The sphincter of Oddi regulates release of ampulla of Vater contents.
The large and small intestines display virtually identical motility (peristaltic) patterns. - Answer-False
With ultrasound, the esophagus has a bull's-eye appearance in the short axis, while in long axis, it has a
more layered, or striated, heteroechoic appearance. - Answer-True
Which of the following statements correctly characterizes the sonographic appearance of the small and
large intestines? - Answer--The sonographic appearance of intestines will vary somewhat, depending on
lumenal contents.
