NUTRITION 1503 EXAM (ACADIA) QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials!
bile salts
Produced in the liver from cholesterol and stored in the gallbladder. (Fats)
high fibre diet
contributes to heart health by causing the liver to take cholesterol from the blood stream.
lipids ...
bile salts
Produced in the liver from cholesterol and stored in the gallbladder. (Fats)
high fibre diet
contributes to heart health by causing the liver to take cholesterol from the blood
stream.
lipids or fats are
insoluble in water
How much of your energy comes from fat?
50%
benefits of fat
feeling of fullness, enhances aroma and flavour, protect body against extreme temps
hyperplasia
increase in the size of the number of cells
hypertrophy
increase in the size of one cell
visceral fat
organ fat, men (android)
subcutaneous fat
over muscle and under skin, women (gynoid)
LPL
lipoprotein liapase
monounsaturated fats (ex. olive oil, canola oil)
contribute to heart health
triglycerides with more saturated fatty acids
are solid at room temperature and more chemically stable
triglycerides with more unsaturated fatty acids
are liquid at room temperature and less chemically stable
linoleic acid
omega-6
linolenic
omega-3
hydrogenated fats
makes unsaturated fats more saturated (solid)
bile salts are released to...
emulsify fat recirculation
pancreatic lipase released to...
digest fat
fat is broken down into...
glycerol, monoglycerides, individual fatty acids
, fats have to...
cross the watery mucus membrane to intestinal cells
small lipids
travel alone in the blood after absorption
large lipids
have to join transport molecules in order to pass across cell membranes
chylomicrons
a special lipoprotein that carries fat from the intestine to the body cells and liver
micelle
transport molecules for fats
emulsifiers
attract both fat and water
Triglycerides
after digestion, fatty acids are bonded to glycerol and reassembled into...
Where are chylomicrons formed?
intestine
Lipoproteins
transport triglycerides, cholesterol, phospholipids and protein
Density of lipoproteins
the higher the protein content of a lipoprotein, the higher the density
VLDL
55-65% triglycerides
LDL
50% cholesterol
HDL
mostly protein
HDL protects against...
atherosclerosis
saturated fats
every bond from carbons is holding a hydrogen; filled to capacity with hydrogen's
trans fatty acids
raise LDL and lower HDL in blood; increased risk of heart disease
unsaturated fats
a fatty acid in which a bond from a carbon has an empty spot where hydrogens are
missing; a point of unsaturation
usually saturated
animal fat is
usually unsaturated
vegetable and fish oils are
Trans fatty acids...
raise LDL in blood, lower HDL in blood; illegal for use in foods in canada
atherosclerosis
an inflammatory process causing plaques to accumulate on and in the walls of blood
vessels
Thrombus is also known as...
blood clot
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