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WorksheetsLipids
Total questions: 13
Worksheet time: 11mins
By definition, lipids are hydrophobic molecules. This means they ....
are water soluble
do not readily mix with water
readily form hydrogen bonds with water
Reorder the following from lowest to highest saturated fat content (as a % of total fatty acids)
olive oil
chicken fat
butter
coconut fat
monounsaturated fatty acid
no double bonds
polyunsaturated fat
1 double bond
saturated fatty acid
at least 2 double bonds
Cholesterol is NOT an essential nutrient. This is because ...
our body can make all that we need
it contains no energy
it is widely available in the diet
Match the food with the predominant type of fatty acid.
monounsaturated fatty acids
cream
saturated fatty acids
avocado
polyunsaturated fatty acids
sunflower oil
Food manufacturers add phospholipids to some packaged foods to .....
thicken the food
prevent separation of hydrophobic and hydrophilic ingredients
improve flavour
improve nutritional value
Atherosclerosis results in ...
narrowing of the arteries
buildup of fatty material in the artery walls
increased blood pressure within arteries
all of the these are correct
Which statement is TRUE ?
Saturated fats have lots of double bonds in the carbon chain
Saturated fats stay solid at room temperature
Saturated fats are healthier than unsaturated fats
Which statement re HDL-cholesterol and LDL-cholesterol is TRUE?
High blood levels of LDL-cholesterol are associated with high risk of CHD
High blood levels of HDL-cholesterol are associated with high risk of CHD
Health professionals recommend we lower consumption of LDL-cholesterol
lipoprotein
particle for transporting lipids around the body
triglyceride
used to make many hormones
cholesterol
contains 3 fatty acids
phospholipid
forms a bilayer in cell membranes
which type of fatty acid is most susceptible to rancidity?
saturated
monounsaturated
polyunsaturated
A heart attack occurs when ...
plaque builds up inside coronary arteries
blood supply to heart muscle is cut off
LDL-cholesterol blood levels are elevated
Blood pressure gets too high
Which food contains the most omega-3 fatty acids?
salmon fillet
beef mince
chicken thigh
pork chop
