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1:38A surgical procedure known as gastric bypass involves creating a small upper stomach pouch and attaching part of the small intestine to this pouch, “bypassing” the rest of the stomach and part of the duodenum.
How would bypassing a significant portion of the stomach affect absorption of vitamin B12? Explain.
A surgical procedure known as gastric bypass involves creating a small upper stomach pouch and attaching part of the small intestine to this pouch, “bypassing” the rest of the stomach and part of the duodenum.
Ms. Anthony has undergone gastric bypass. She goes out to dinner and eats an extremely large meal. Explain what will happen in her small and large intestines following this meal.
Mr. Williams presents to your clinic with a complaint of abdominal pain in the right upper quadrant. He says that the pain worsens when he eats, particularly when he eats fatty meals. He has noticed that his stool has been an unusual clay color recently. You perform an ultrasound of his abdomen and find that gallstones are blocking his common bile duct, preventing bile from entering the duodenum.
You test Mr. Williams's stool and find high amounts of undigested fats. Explain this finding.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The muscularis externa of most of the alimentary canal consists of inner circular and outer longitudinal layers of smooth muscle.
Mr. Williams presents to your clinic with a complaint of abdominal pain in the right upper quadrant. He says that the pain worsens when he eats, particularly when he eats fatty meals. He has noticed that his stool has been an unusual clay color recently. You perform an ultrasound of his abdomen and find that gallstones are blocking his common bile duct, preventing bile from entering the duodenum.
Explain why his feces have become a clay color instead of a normal brown color.
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The mucosa from the stomach to the anus consists of an inner layer of stratified columnar epithelium.
