Podcast
Questions and Answers
What is the primary function of the lower oesophageal sphincter (LOS)?
What is the primary function of the lower oesophageal sphincter (LOS)?
- To separate the stomach from the duodenum
- To prevent bile reflux into the stomach
- To regulate airflow during swallowing
- To prevent gastric reflux into the oesophagus (correct)
What structure is responsible for secreting digestive enzymes into the main pancreatic duct?
What structure is responsible for secreting digestive enzymes into the main pancreatic duct?
- Alpha cells
- Beta cells
- Islets of Langerhans
- Acinar cells (correct)
Which part of the small bowel is the longest?
Which part of the small bowel is the longest?
- Cecum
- Duodenum
- Jejunum
- Ileum (correct)
Which layer of the gastrointestinal tract is responsible for peristalsis?
Which layer of the gastrointestinal tract is responsible for peristalsis?
What is the main role of Kupffer cells?
What is the main role of Kupffer cells?
Which type of molecule is responsible for mediating communication between different parts of the gastrointestinal system?
Which type of molecule is responsible for mediating communication between different parts of the gastrointestinal system?
Which phase of swallowing involves the closing of the epiglottis to protect the trachea?
Which phase of swallowing involves the closing of the epiglottis to protect the trachea?
What is the primary function of the common bile duct?
What is the primary function of the common bile duct?
What condition is characterized by increased pressure in the portal system?
What condition is characterized by increased pressure in the portal system?
Which of the following is NOT a part of the digestive system?
Which of the following is NOT a part of the digestive system?
What is the role of digestive lipases?
What is the role of digestive lipases?
Which artery is primarily responsible for supplying the small intestine?
Which artery is primarily responsible for supplying the small intestine?
What is the main component of lymph?
What is the main component of lymph?
Which of the following structures is NOT part of the pharynx?
Which of the following structures is NOT part of the pharynx?
What is the main function of gastric juice produced in the stomach?
What is the main function of gastric juice produced in the stomach?
Which hormone is primarily responsible for stimulating gastric juice production?
Which hormone is primarily responsible for stimulating gastric juice production?
What is the role of intrinsic factor in the stomach?
What is the role of intrinsic factor in the stomach?
Which part of the digestive process is primarily responsible for neutralizing chyme?
Which part of the digestive process is primarily responsible for neutralizing chyme?
How do bile salts facilitate the absorption of lipids?
How do bile salts facilitate the absorption of lipids?
What stimulates the vomiting reflex?
What stimulates the vomiting reflex?
Which cell type in the stomach is responsible for secreting pepsinogen?
Which cell type in the stomach is responsible for secreting pepsinogen?
What is the effect of cholecystokinin (CCK) on gastrin?
What is the effect of cholecystokinin (CCK) on gastrin?
Which structure in the small intestine increases the surface area for absorption?
Which structure in the small intestine increases the surface area for absorption?
What is a primary function of the large intestine?
What is a primary function of the large intestine?
What initiates the intestinal phase of digestion?
What initiates the intestinal phase of digestion?
Which type of fat is primarily formed into chylomicrons for absorption?
Which type of fat is primarily formed into chylomicrons for absorption?
Which vitamin requires intrinsic factor for absorption?
Which vitamin requires intrinsic factor for absorption?
What is the primary role of pepsin in the digestive process?
What is the primary role of pepsin in the digestive process?
