GEMP - Digestive System
Digestive System Introduction The digestive system is a complex network of organs and glands responsible for the breakdown, absorption, and utilization of nutrients from food. Understanding the digestive system is crucial for medical students as it lays the foundation for comprehending numerous gastrointestinal disorders, nutritional science, and overall health management. Key Concepts 1. A...
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Time limit: 3 minutes
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Question 1
Which components make up the alimentary canal?
Explanation
The alimentary canal is a continuous tube from mouth to anus, which includes the oral cavity, esophagus, stomach, small intestine, large intestine, and anal canal.
Question 2
What primarily occurs in the small intestine regarding nutrient processing?
Explanation
Nutrient absorption primarily occurs in the small intestine, where absorbed nutrients pass through the intestinal wall into the bloodstream.
Question 3
Which organ is considered an accessory organ of digestion?
Explanation
The pancreas is an accessory organ that secretes digestive enzymes into the small intestine to aid in digestion.
Question 4
What is the role of the gut microbiota in digestion?
Explanation
The gut microbiota ferments indigestible carbohydrates and synthesizes vitamins, contributing significantly to digestive health.
Question 5
Which hormone is NOT involved in the regulation of digestion?
Explanation
Adrenaline is not involved in digestive regulation, whereas gastrin, cholecystokinin, and secretin are all gastrointestinal hormones that regulate digestive processes.
Question 6
What common misconception about digestion is often held?
Explanation
A prevalent misconception is that digestion is completed in the stomach, while it actually continues in the small intestine where most absorption occurs.
Question 7
Which gastrointestinal disorder is characterized by the atrophy of intestinal villi due to gluten ingestion?
Explanation
Celiac disease is an autoimmune disorder that leads to the atrophy of intestinal villi, resulting in malabsorption when gluten is consumed.