Human Body- Stomach And Duodenum Quiz
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The stomach receives food from the esophagus and digests it, whereas the duodenum is charged with chemical digestion of partially digested food before the small intestine absorbs it. Well, how much do you know about this part of the human body? The quiz below is designed to help you test out what you understood. Give it a try!
- 1.
What are the four layers of the GI Tract, superficial to deep?
- A.
Serosa, External Muscle, Submucosa, Mucosa
- B.
External Muscle, Serosa, Submucosa, Mucosa
- C.
Serosa, External Muscle, Mucosa, Submucosa
- D.
External Muscle, Serosa, Mucosa, Submucosa
Correct Answer
A. Serosa, External Muscle, Submucosa, MucosaExplanation
The correct answer is Serosa, External Muscle, Submucosa, Mucosa. This is the correct order of the layers of the gastrointestinal (GI) tract from superficial to deep. The serosa is the outermost layer, followed by the external muscle layer, which is responsible for the movement of the GI tract. The submucosa is the layer beneath the external muscle and contains blood vessels, nerves, and connective tissue. Finally, the mucosa is the innermost layer, which lines the lumen of the GI tract and is responsible for absorption and secretion.Rate this question:
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- 2.
A patient presents with an aneurysm in the aorta where the duodenum crosses in front of it. As a result, the duodenum is being severely strained. Which part of the duodenum is most likely being affected?
- A.
1st
- B.
2nd
- C.
3rd
- D.
4th
Correct Answer
C. 3rdExplanation
3rd horizontal (L3)
o Longest section
o Crosses in front of aorta & IVC
o Crossed anteriorly by the SM vesselsRate this question:
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- 3.
The Suspensory Muscle of the Duodenum (Ligament of Trietz) attaches to what part of the duodenum?
- A.
1st
- B.
2nd
- C.
3rd
- D.
4th
Correct Answer
D. 4thExplanation
The Suspensory Muscle of the Duodenum (Ligament of Trietz) attaches to the 4th part of the duodenum.Rate this question:
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- 4.
Which of the following is not a branch of the Celiac Trunk?
- A.
Right Gastric
- B.
Left Gastric
- C.
Splenic
- D.
Common Hepatic
Correct Answer
A. Right GastricExplanation
The right gastric artery is not a branch of the celiac trunk. The celiac trunk is a major branch of the abdominal aorta and it gives rise to three branches: the left gastric artery, the splenic artery, and the common hepatic artery. The right gastric artery is actually a branch of the common hepatic artery, which itself is a branch of the celiac trunk. Therefore, it is not considered a branch of the celiac trunk.Rate this question:
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- 5.
The right gastro-epiploic artery and left gastro-epiploic artery are branches of what arteries respectively?
- A.
Gastroduodenal A. and Splenic A.
- B.
Both Splenic A.
- C.
Gastroduodenal A. and Superior Mesenteric A.
- D.
Superior Pancreaticoduodenal A. and Superior Mesenteric A.
Correct Answer
A. Gastroduodenal A. and Splenic A.Explanation
The right gastro-epiploic artery is a branch of the gastroduodenal artery, while the left gastro-epiploic artery is a branch of the splenic artery.Rate this question:
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- 6.
A pregnant lady comes in for an ultrasound. You notice that the buds of the pancreas in the baby have not fully fused. Which part of the pancreas is not attached to the other 3 portions?
- A.
Head
- B.
Neck
- C.
Body
- D.
Tail
Correct Answer
A. HeadExplanation
The head forms from the ventral head while the neck, body and tail form form the dorsal bud. If the buds do not fuse then the head is not attached to the other portions. This will result in an annular pancreas.Rate this question:
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- 7.
An infant with down syndrome comes into the ER with symptoms of vomiting and distended stomach. The vomit appears green. You order X-rays and upon examination, you point out the "Double Bubble." Which of the following are you referring too?
- A.
Pyloric Stenosis
- B.
Duodenal Atresia
- C.
Peptic Ulcers
- D.
Ruptured Spleen
Correct Answer
B. Duodenal AtresiaExplanation
Duodenal Atresia (Double Bubble)
• Atresia: a condition in which a body orifice or passage in the body is abnormally closed or absent
• Failure of recanalization of duodenum
• Results in polyhydraminos, distended stomach & bile-containing vomit
• Often seen in infants w/ Down SyndromeRate this question:
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- 8.
A patient comes into your office with symptoms of Peptic Ulcers. The patient mentions that the pain is relieved during meals but that it gets worse about 3 hours after. You suspect that the ulcer is in which portion of the GI Tract?
- A.
Esophagus
- B.
Fundus of Stomach
- C.
Body of Stomach
- D.
Duodenum
Correct Answer
D. DuodenumExplanation
Peptic Ulcers (Gastric or Duodenal)
• w/ gastric ulcers, pain is worse DURING a meal b/c sphincters are closed & acid is released
• w/ duodenal (pyloric) ulcers, pain tends to be RELIEVED during a meal as pyloric sphincter closes – pain is worse ~3 hours AFTER the meal
• Duodenal ulcers are more common than stomach ulcers & are usually in the superior portion – either anterior or posteriorRate this question:
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- 9.
A patient presents to you in the ER complaining of symptoms of Peptic Ulcers. After a quick ultrasound shows air in the the peritoneum. You suspect that the ulcer is in which portion of the GI Tract?
- A.
Anterior Duodenum
- B.
Posterior Duodenum
- C.
Body of Stomach
- D.
Fundus of Stomach
Correct Answer
A. Anterior DuodenumExplanation
Duodenal ulcers are more common than stomach ulcers & are usually in the superior portion – either anterior or posterior
o Posterior ones attack the gastroduodenal a (lies behind the superior part
of duodenum) producing massive GI bleeding
o Anterior ones lead to peritonitis – air into subdiaphragmatic spaceRate this question:
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- 10.
A CT Scan shows a lesion in the Pelvic Splanchnic Nerves. You would expect problems in which of the following?
- A.
Parasympathetics in Hind Gut
- B.
Sympathetics in Hind Gut
- C.
Parasympathetics in Mid Gut
- D.
Sympathetics in Mid Gut
Correct Answer
A. Parasympathetics in Hind GutExplanation
Parasympathetics:
CN X for Fore Gut and Mid Gut
Pelvic Splanchnics for Hind gutRate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 22, 2023Quiz Edited by
ProProfs Editorial Team -
Oct 30, 2012Quiz Created by
Sammit85
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