Clin Phys 8 - GI tract quiz

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By PlayfulHarmony



38 Questions

What can decreased bowel sounds often suggest?

Which condition is characterized by involuntary contraction of the abdominal musculature, usually accompanied by severe pain?

What can a palpable liver indicate?

What can deep or visceral pain in the abdomen come from?

What condition could cause a high-pitched 'tinkling' sound?

What can an enlarged liver with a firm, nontender edge indicate?

What is the voluntary contraction of the abdominal musculature due to abdominal discomfort?

What might a large liver with an irregular edge indicate?

Which organs are considered as part of the digestive accessory organs?

What is the embryological origin of the digestive accessory organs?

What is the additional very important function of the liver and pancreas?

What is the composition of the small intestine?

Which organ makes direct contact with food or former food?

What are the basic functions of the pancreas?

Which part of the large intestine is responsible for absorbing water and electrolytes?

What is the primary function of the gall bladder?

What are the typical histologic layers that surround the lumen of the alimentary canal?

What is the role of Meissner's plexus in the alimentary canal?

What covers the muscularis of the alimentary canal?

What is the primary function of the esophagus?

Which part of the alimentary canal is the main site of chemical digestion and absorption?

What is the primary role of the large intestine?

Which organ is responsible for bile synthesis?

What are the functions of the pancreas in relation to digestion and metabolism?

What is the role of the submucosa in the alimentary canal?

What is the correct order of the layers of the alimentary canal?

Which of the following can lead to both increased and decreased bowel sounds?

Accessory organs function as ______ that secrete substances into the alimentary canal

Liver, gallbladder and pancreas contact ingested substances directly

_______ is responsible for the synthesis of bile

_______ is responsible for modification and storage of bile

Liver can store vitamins and minerals

Which layer houses the myenteric plexus?

The ______ layer of muscularis is circular. When it contracts, it squeezes the lumen shut.

The peritoneal cavity is a fluid filled cavity between the wall of the abdomen and the organs within the abdomen

Match the following terms with their descriptions:

Match the following bowel sounds with their potential causes:

Match the following abdominal pain presentations with their characteristics:


Alimentary Canal Anatomy and Function

  • The alimentary canal is responsible for propulsion, secretion, digestion, absorption, and immune function.
  • The mucosa of the alimentary canal consists of epithelial lining, lamina propria, and muscularis mucosa, with varying types of epithelium.
  • The submucosa contains larger glands, lymphatic nodules, and the Meissner's plexus, which regulates secretions and conveys sensory information.
  • The muscularis consists of inner circular and outer longitudinal layers, regulated by the Auerbach's plexus, and is covered by the adventitia or serosa.
  • The peritoneal cavity contains visceral and parietal layers, and the esophagus serves primarily for food propulsion.
  • The stomach expands to store food, accomplishing mechanical and chemical digestion, and signaling satiety.
  • The small intestine is the main site of chemical digestion, absorption, and secretion, with three components: duodenum, jejunum, and ileum.
  • The highly folded epithelium, mucosa, and submucosal layers of the small intestine optimize surface area for absorption.
  • The large intestine absorbs water, stores stool, and houses gut microbes, with a negligible role in nutrient absorption.
  • The liver, gallbladder, and pancreas are accessory organs with important metabolic and digestive functions.
  • The liver has numerous roles, including carbohydrate and lipid metabolism, detoxification, and bile synthesis.
  • The gallbladder stores and modifies bile, while the pancreas has both exocrine and endocrine functions related to digestion and metabolism.


Test your knowledge of alimentary canal anatomy and function with this quiz. Explore the structure and functions of the mucosa, submucosa, muscularis, and peritoneal cavity, as well as the roles of the esophagus, stomach, small intestine, and large intestine in digestion and absorption. Delve into the essential functions of accessory organs such as the liver, gallbladder, and pancreas in metabolic and digestive processes.

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