NST 10-Midterm 2 Exam 2025
Questions and Answers
DIETARY LIPIDS - ANSWER✔✔-
triglycerides - ANSWER✔✔--major form of lipid in body and in food
-composed of 3 fatty acids
-monoacylglyceride (glycerol and 1 fatty acid) and 2 free fatty acids, broken down by
lipases which are stimulated by cck
Phospholipids - ANSWER✔✔--help with fat absorption
-transports dietary fats
-part of cell membrane
-made in liver
-in animals and egg yolks, 2 fatty acids, glycerol, phosphorus containing molecule,
water and fat soluble parts
sterols - ANSWER✔✔-4 carbon rings
, -cholesterol most common
-found in animals
-high cholesterol=increased CHD risk
-plant sterols-decreased CHD risk
-non-essential,
-raises LDL (bad cholesterol)
Omega 6 - ANSWER✔✔--linoleic acid
-vegetable, seed, nut oil, pro-inflammatory
Omega 3 - ANSWER✔✔--alpha-linoleic
-soy, flax, leafy greens, fish have longer chain EPA and DHA
-associated with reduced heart disease
-anti-inflammatory
Essential fatty acids - ANSWER✔✔--growth, skin integrity, fertility, structure and
function of cell membranes
-deficiency symptoms: dry skin, liver probs, poor wound healing, infant growth failur
saturated fatty acids - ANSWER✔✔--no carbon or double bonds, bend in lipid structure
-increase risk of heart disease
Questions and Answers
DIETARY LIPIDS - ANSWER✔✔-
triglycerides - ANSWER✔✔--major form of lipid in body and in food
-composed of 3 fatty acids
-monoacylglyceride (glycerol and 1 fatty acid) and 2 free fatty acids, broken down by
lipases which are stimulated by cck
Phospholipids - ANSWER✔✔--help with fat absorption
-transports dietary fats
-part of cell membrane
-made in liver
-in animals and egg yolks, 2 fatty acids, glycerol, phosphorus containing molecule,
water and fat soluble parts
sterols - ANSWER✔✔-4 carbon rings
, -cholesterol most common
-found in animals
-high cholesterol=increased CHD risk
-plant sterols-decreased CHD risk
-non-essential,
-raises LDL (bad cholesterol)
Omega 6 - ANSWER✔✔--linoleic acid
-vegetable, seed, nut oil, pro-inflammatory
Omega 3 - ANSWER✔✔--alpha-linoleic
-soy, flax, leafy greens, fish have longer chain EPA and DHA
-associated with reduced heart disease
-anti-inflammatory
Essential fatty acids - ANSWER✔✔--growth, skin integrity, fertility, structure and
function of cell membranes
-deficiency symptoms: dry skin, liver probs, poor wound healing, infant growth failur
saturated fatty acids - ANSWER✔✔--no carbon or double bonds, bend in lipid structure
-increase risk of heart disease
