NUTRITION NDFS 100 BYU EXAM 2 BYU UPDATED QUESTIONS AND ANSWERS
What are the functions of fat in the body? - CORRECT ANSWER✅✅fuel storage, cushion, temperature
regulation, cell membrane,transport and raw material, hormone synthesis, nerve impulse
What are the functions of fat in food? - CORRECT ANSWER✅✅concentrated calories, fat-soluble
vitamins, aroma, flavor, texture,tenderness, satiety
True or False: Fat is the bodies major form of stored energy - CORRECT ANSWER✅✅true
T or F: Fat forms the major material of the cell membranes - CORRECT ANSWER✅✅true
T or F: Fat provides no nutrients - CORRECT ANSWER✅✅False; it provide essential fatty acids, fat-
soluble vitamins, and other needed compounds.
What are the three types of lipids? - CORRECT ANSWER✅✅triglycerides, phospholipids, sterols
What is another name for triglycerides? - CORRECT ANSWER✅✅fatty acids
What is the structure of a triglyceride? - CORRECT ANSWER✅✅3 fatty acids + 1 glycerol molecule
In what two ways do fatty acids differ from one another? - CORRECT ANSWER✅✅chain length and
degree of saturation
T or F: the shorter chain fatty acids or more unsaturated ones are harder - CORRECT ANSWER✅✅False;
they are softer
What do fatty acids in food do? - CORRECT ANSWER✅✅Influence the composition of fats in the body
What does it mean when a fatty acid is saturated? - CORRECT ANSWER✅✅every available bond from
the carbon chain is holding a hydrogen atom
, What does it mean when a fatty acid is unsaturated? - CORRECT ANSWER✅✅the fatty acid carbon
chain has a place where hydrogens are missing
What is it called on a carbon chain where a hydrogen is missing? - CORRECT ANSWER✅✅point of
unsaturation
What is a monounsaturated fatty acid? - CORRECT ANSWER✅✅the carbon chain contains just one
point of unsaturation
What is a polyunsaturated fatty acid? - CORRECT ANSWER✅✅the carbon chain contains two or more
points of unsaturation
What is polyunsaturated often abbreviated as? - CORRECT ANSWER✅✅PUFA
T or F: The more carbon atoms in a fatty acid, the longer it is - CORRECT ANSWER✅✅True
T or F: The more hydrogen atoms attached to the carbons in a fatty acid, the more saturated the fatty
acid is - CORRECT ANSWER✅✅True
What type of fatty acid is this? - CORRECT ANSWER✅✅saturated
What type of fatty acid is this? - CORRECT ANSWER✅✅polyunsaturated
What does the degree of saturation in a fatty acid of a fat determine? - CORRECT ANSWER✅✅the fat's
softness or hardness
What does it mean if a glyceride is solid at room temperature? - CORRECT ANSWER✅✅it contains more
saturated fat
What are the functions of fat in the body? - CORRECT ANSWER✅✅fuel storage, cushion, temperature
regulation, cell membrane,transport and raw material, hormone synthesis, nerve impulse
What are the functions of fat in food? - CORRECT ANSWER✅✅concentrated calories, fat-soluble
vitamins, aroma, flavor, texture,tenderness, satiety
True or False: Fat is the bodies major form of stored energy - CORRECT ANSWER✅✅true
T or F: Fat forms the major material of the cell membranes - CORRECT ANSWER✅✅true
T or F: Fat provides no nutrients - CORRECT ANSWER✅✅False; it provide essential fatty acids, fat-
soluble vitamins, and other needed compounds.
What are the three types of lipids? - CORRECT ANSWER✅✅triglycerides, phospholipids, sterols
What is another name for triglycerides? - CORRECT ANSWER✅✅fatty acids
What is the structure of a triglyceride? - CORRECT ANSWER✅✅3 fatty acids + 1 glycerol molecule
In what two ways do fatty acids differ from one another? - CORRECT ANSWER✅✅chain length and
degree of saturation
T or F: the shorter chain fatty acids or more unsaturated ones are harder - CORRECT ANSWER✅✅False;
they are softer
What do fatty acids in food do? - CORRECT ANSWER✅✅Influence the composition of fats in the body
What does it mean when a fatty acid is saturated? - CORRECT ANSWER✅✅every available bond from
the carbon chain is holding a hydrogen atom
, What does it mean when a fatty acid is unsaturated? - CORRECT ANSWER✅✅the fatty acid carbon
chain has a place where hydrogens are missing
What is it called on a carbon chain where a hydrogen is missing? - CORRECT ANSWER✅✅point of
unsaturation
What is a monounsaturated fatty acid? - CORRECT ANSWER✅✅the carbon chain contains just one
point of unsaturation
What is a polyunsaturated fatty acid? - CORRECT ANSWER✅✅the carbon chain contains two or more
points of unsaturation
What is polyunsaturated often abbreviated as? - CORRECT ANSWER✅✅PUFA
T or F: The more carbon atoms in a fatty acid, the longer it is - CORRECT ANSWER✅✅True
T or F: The more hydrogen atoms attached to the carbons in a fatty acid, the more saturated the fatty
acid is - CORRECT ANSWER✅✅True
What type of fatty acid is this? - CORRECT ANSWER✅✅saturated
What type of fatty acid is this? - CORRECT ANSWER✅✅polyunsaturated
What does the degree of saturation in a fatty acid of a fat determine? - CORRECT ANSWER✅✅the fat's
softness or hardness
What does it mean if a glyceride is solid at room temperature? - CORRECT ANSWER✅✅it contains more
saturated fat
