Podcast
Questions and Answers
What is the primary function of the large intestine?
What is the primary function of the large intestine?
- Absorption of water and electrolytes, mainly NaCl (correct)
- Transport of oxygen to the cells
- Synthesis of aldosterone
- Secretion of insulin
How does the increased sodium absorption in the large intestine affect the absorption of other substances?
How does the increased sodium absorption in the large intestine affect the absorption of other substances?
- It causes secondary increases in absorption of chloride ions, water, and some other substances (correct)
- It has no effect on the absorption of other substances
- It inhibits the absorption of chloride ions and water
- It reduces the absorption of chloride ions and increases the absorption of water
What stimulates the synthesis of some vitamins in the colon?
What stimulates the synthesis of some vitamins in the colon?
- Increased secretion of aldosterone
- Hypertonic chyme in the lumen
- Sluggish movements of the colon
- Fermentation by bacteria in the colon (correct)
How is calcium absorption primarily regulated in the intestine?
How is calcium absorption primarily regulated in the intestine?
What is the mechanism of iron absorption in the intestine?
What is the mechanism of iron absorption in the intestine?
What is the role of intrinsic factor in vitamin B12 absorption?
What is the role of intrinsic factor in vitamin B12 absorption?
What is the primary function of bile micelles in the absorption of fat?
What is the primary function of bile micelles in the absorption of fat?
What is the consequence of an absence of bile micelles during fat absorption?
What is the consequence of an absence of bile micelles during fat absorption?
How does the absorption of water-soluble vitamins differ from that of fat-soluble vitamins?
How does the absorption of water-soluble vitamins differ from that of fat-soluble vitamins?
What percentage of fat absorption is achieved in the presence of an abundance of bile micelles?
What percentage of fat absorption is achieved in the presence of an abundance of bile micelles?
Flashcards are hidden until you start studying
