Gastrointestinal System

    Gastrointestinal System
    What is the function of bile salts?
    Emulsification produces small droplets of fat which increases the surface area of fat that is available to lipases which may then hydrolyse the fat.
    Author: rikazzz Comment
    Gastrointestinal System
    Kupffer cells are macrophages. Where are they found?
    They are in the liver sinusoids (capillaries).
    Author: rikazzz Comment
    Gastrointestinal System
    What is the function of bile?
    Emulsification of fats is the function of bile salts.
    Author: rikazzz Comment
    Gastrointestinal System
    What are the products of protein digestion?
    Peptides and amino acids are produced by the hydrolysis of protein.
    Author: rikazzz Comment
    Gastrointestinal System
    What converts pepsinogen to pepsin in the stomach?
    HCl cleaves off 44 amino acids from pepsinogen to form pepsin.
    Author: rikazzz Comment
    Gastrointestinal System
    In the stomach which cells secrete pepsinogen?
    “Zymogenic” means producing an enzyme – also known as chief cells.
    Author: rikazzz Comment
    Gastrointestinal System
    What is the product of carbohydrate digestion?
    Glucose is a monosaccharide, but there are others, so choice B is the better answer.
    Author: rikazzz Comment
    Gastrointestinal System
    What is the name of the hormone that stimulates the stomach to secrete hydrochloric acid?
    Gastrin is the best answer – where it comes from is not pertinent.
    Author: rikazzz Comment
    Gastrointestinal System
    All of the following statements regarding the liver are true except one, which one?
    Is not true. In fact blood from the hepatic artery and the hepatic portal vein mix and flow towards the central vein of a lobule.
    Author: rikazzz Comment
    Gastrointestinal System
    A lobule of the liver contains several blood vessels. Which one carries nutrient- rich blood from the small intestine?
    “Portal” refers to a vein that transports blood from one capillary bed to another (rather than returning it to the heart).
    Author: rikazzz Comment