T1 L8: Macronutrientrs Flashcards
What is the drug lactulose used for?
As a laxative
Which type of carbohydrate is resistant to digestion?
Oligosaccharides
Which type of saccharide is essential?
Polysaccharides
What is vitamin A for?
Black/white vision
What is vitamin D for?
Ca2+ absorption. So low vitamin D is associated with poor bone health
What is vitamin E for?
It’s an antioxidant
What are conditionally non-essential carbohydtares?
They require precursors to be synthesised
What is epigenetics?
The environment having an effect on genes
What is Colipase?
It stabilises pancreatic lipase to increase efficiency
What di pancreatic lipase do?
It hydrolyses triglycerides to form monoglycerides, fatty acids, and glycerol
What does pro-colipase do?
It’s activated by trypsin to form colipase
What does pancreatic lipase do?
It acts as a co-factor for pro-colipase
What are the 2 primary pancreatic proteases?
Trypsin and chymotrypsin
Which nervous system mediates blood flow to the intestines?
The sympathetic NS
Why are hypovolaemia patients not able to absorb their food?
There isn’t enough blood flow to the intestines
