NUTR EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS

NUTR EXAM 2 QUESTIONS WITH COMPLETE
SOLUTIONS


What happens to bile acids after digestion?
Reabsorbed in small intestine and returned to liver
What is the main storage form of fat?
Triglycerides
What are ketone bodies?
Byproducts of partial fatty acid metabolism
What are the essential fatty acids?
Alpha-linolenic acid (ALA) and Linoleic acid (LA)
ALA's derivatives?
EPA and DHA
LA's derivative?
Arachidonic acid (ARA)
FDA definition of 'fat free'?
Less than 0.5 grams per serving
Effect of high-carb, low-fat vegan diet on triglycerides?
May increase blood triglycerides
How many calories per gram does protein provide?
4 kcal/g

, What's the RDA for protein?
0.8 g/kg/day
What links amino acids together?
Peptide bonds
Functions of proteins?
Hormones, enzymes, immune support, structure
How many essential amino acids are there?
9
What are BCAAs?
Leucine, isoleucine, valine
What happens to excess amino acids?
Used for energy or stored as fat
What delivers amino acids to the liver?
Portal vein
Where does protein digestion begin?
Stomach (pepsin)
Where does protein digestion continue?
Small intestine (proteases)
What is PKU?
Can't convert phenylalanine to tyrosine
What is TMAO?