Podcast
Questions and Answers
Where are amino acids transported out of the enterocytes?
Where are amino acids transported out of the enterocytes?
At what rate is absorption of amino acids in the duodenum and jejunum?
At what rate is absorption of amino acids in the duodenum and jejunum?
Where is there little absorption of larger peptides?
Where is there little absorption of larger peptides?
What is the source of approximately 50% of the digested protein?
What is the source of approximately 50% of the digested protein?
Signup and view all the answers
Where does almost all of the protein in the stools come from?
Where does almost all of the protein in the stools come from?
Signup and view all the answers
What happens to undigested proteins in infants?
What happens to undigested proteins in infants?
Signup and view all the answers
Where does almost all iron absorption occur in humans?
Where does almost all iron absorption occur in humans?
Signup and view all the answers
Which protein facilitates basolateral transport of iron out of enterocytes?
Which protein facilitates basolateral transport of iron out of enterocytes?
Signup and view all the answers
What is the plasma iron level in men under normal conditions?
What is the plasma iron level in men under normal conditions?
Signup and view all the answers
Which protein converts Fe2+ to Fe3+ in the plasma?
Which protein converts Fe2+ to Fe3+ in the plasma?
Signup and view all the answers
What is the main function of apoferritin in the body?
What is the main function of apoferritin in the body?
Signup and view all the answers
Where does heme bind to initiate transport into enterocytes?
Where does heme bind to initiate transport into enterocytes?
Signup and view all the answers
What is the main function of cholesterol esterase?
What is the main function of cholesterol esterase?
Signup and view all the answers
How do fats in the small intestine become emulsified?
How do fats in the small intestine become emulsified?
Signup and view all the answers
What happens to lipids when bile acid concentration is high in the intestine?
What happens to lipids when bile acid concentration is high in the intestine?
Signup and view all the answers
Which components are generally found in the hydrophobic centers of micelles?
Which components are generally found in the hydrophobic centers of micelles?
Signup and view all the answers
How do lipids move to the brush border of mucosal cells for absorption?
How do lipids move to the brush border of mucosal cells for absorption?
Signup and view all the answers
What is the role of micellar formation in lipid digestion and absorption?
What is the role of micellar formation in lipid digestion and absorption?
Signup and view all the answers
What type of immunoglobulins are largely present in maternal colostrum?
What type of immunoglobulins are largely present in maternal colostrum?
Signup and view all the answers
How do protein antibodies in maternal colostrum enter the circulation of infants?
How do protein antibodies in maternal colostrum enter the circulation of infants?
Signup and view all the answers
What process is responsible for the absorption of intact proteins from the intestine?
What process is responsible for the absorption of intact proteins from the intestine?
Signup and view all the answers
What may provoke the formation of antibodies when foreign proteins enter the circulation?
What may provoke the formation of antibodies when foreign proteins enter the circulation?
Signup and view all the answers
What is a common factor in susceptibility to individual food allergies?
What is a common factor in susceptibility to individual food allergies?
Signup and view all the answers
Which of the following foods are mentioned as common offenders causing allergic responses?
Which of the following foods are mentioned as common offenders causing allergic responses?
Signup and view all the answers
How is glucose transported into the interstitium for absorption?
How is glucose transported into the interstitium for absorption?
Signup and view all the answers
What provides the energy for glucose transport into the enterocytes?
What provides the energy for glucose transport into the enterocytes?
Signup and view all the answers
What happens when the Na+/glucose cotransporter is congenitally defective?
What happens when the Na+/glucose cotransporter is congenitally defective?
Signup and view all the answers
Which transporter is responsible for transporting fructose into enterocytes?
Which transporter is responsible for transporting fructose into enterocytes?
Signup and view all the answers
What is the role of insulin in the intestinal transport of sugars?
What is the role of insulin in the intestinal transport of sugars?
Signup and view all the answers
Why is it important to promptly remove glucose and galactose from the diet in cases of a defective Na+/glucose cotransporter?
Why is it important to promptly remove glucose and galactose from the diet in cases of a defective Na+/glucose cotransporter?
Signup and view all the answers