Chapters 21-22 Digestive system Flashcards
What is the intrinsic factor?
Protein that is produced by parietal cells that protect B12 so it does not get absorbed in the small intestine
Where is the intrinsic factor secreted?
The stomach in the parietal cells
What is the function of the intrinsic factor?
It protects B12 so it can go through the stomach acid and not get destroyed or absorbed
What are the 3 elements in the small intestine that contribute to it’s surface area?
- Plica Circulares
- Villi
- Microvilli
Out of the 3 elements that contribute to surface area in the small intestine. Which is responsible for absorption?
Villi
What is the function of cholecystokinin?
It produces/ secretes pancreatic digestive enzymes in the pancreas and it contracts the gallbladder walls and forces bile into the cystic duct
What is the function of secretin?
It stimulates (starts) bile production in the liver and stimulates (starts) production and secretion of bicarbonate juice in the pancreas
What are the targets of cholecystokinin?
Gallbladder and pancreas
What are the targets of secretin?
Gallbladder and pancreas
Describe bile emulsification
It is where bile salts break down large fat globules (cells). And make them smaller so lipase and break them down
Based on the Extra credit story Diagnosis-what does she have?
Lipschütz ulcers (non-sexually transmitted ulcers), also known as acute genital ulceration
Based on the Extra credit story What is the treatment-what medication should she take based on what you’ve read about the condition?
Pain medication,oral or topical corticosteroid, or antibiotics just needs time to heal
Based on the Extra credit story What are the potential side effects to the medication you are suggesting?
irritation of skin, mood swings
Based on the Extra credit story What is the prognosis-duration of the condition, will it heal, will it recur, is there permanent damage?
may have some scarring but no permanent damage usually, and last to 2-6 weeks. They usually do not reoccur and heal on their own
