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HOSA Nutrition Lipids Questions with Solutions
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HOSA Nutrition Lipids
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HOSA Nutrition LipidsLipoprotein - answer carriers of fat in the blood
Fats - answer greasy substances that are not soluble in water, but are soluble in some
solvents like ether, benzene, and chloroform
Functions of fat - answer functioning and structure of body tissues, part of cell
membranes (cell walls), contain essential fatty acids and act as carriers for fat-soluble
vitamins, adipose tissue protects organs and bones from injury by serving as protective
padding and support, body fat also serves as insulation from cold, provide a feeling of
satiety after meals.
Why do you feel satiated after eating fats? - answer This is due partly to the flavor fats
give other foods and partly to their slow rate of digestion, which delays hunger.
Symptoms of fat deficiency - answer eczema, weight loss, delayed growth
fat-soluble vitamins - answer A, D, E, and K
Sources of fats - answer present in both animal and plant foods
Sources of fat from animal foods - answerhigher-fat poultry cuts with skin such as the
thigh and wing; whole, low-fat, and reduced-fat milk; cream; butter; cheeses made with
cream; egg yolks (egg white contains no fat; it is almost entirely protein and water); and
fatty fish such as tuna and salmon.
Sources of fats from plant foods - answercooking oils made from olives; from sunflower,
safflower, or sesame seeds; or from corn, peanuts, canola oil; or soybeans, margarine,
salad dressing; or mayonnaise (which is made from vegetable oils), nuts, seeds,
avocados, coconut, and cocoa butter.
What does eating saturated fats in animals cause - answerIn general, the saturated fat
consumed from animal foods raises serum cholesterol, which could contribute to heart
disease.
Plant fats do not raise - answercholesterol and are therefore more heart healthy.
visible fats - answerFats that are purchased and used as fats, such as butter,
margarine, lard, and cooking oils.
, Hidden or invisible fats are - answerfats that are not immediately noticeable, those
found in other foods, such as meats, cream, whole milk, cheese, egg yolk, fried foods,
pastries, avocados, and nuts.
lipids found in food and the human body - answerTriglycerides, phospholipids, and
sterols
Most lipids in the body are - answer(95%) triglycerides. They are in body cells and
circulate in the blood.
Triglycerides - answercomposed of three fatty acids attached to a framework of glycerol
Glycerol - answerderived from a water-soluble carbohydrate
Fatty acids - answerorganic compounds of carbon atoms to which hydrogen atoms are
attached, classified in two ways: essential or nonessential.
Essential fatty acids (EFAs) - answernecessary fats that humans cannot synthesize,
long-chain polyunsaturated fatty acids derived from linoleic acid and linolenic acid, and
have 2 families called omega-3 and omega-6
Why is omega 9 fatty acids not considered essential? - answerbecause the body can
manufacture a modest amount
Method of classification of fatty acids is - answerby their degree of saturation with
hydrogen atoms, this way described as saturated, monounsaturated, or polyunsaturated
Saturated fats - answerstearic acid, fatty acid, each of the fatty acid's carbon atoms
carries all the hydrogen atoms possible, more in animals than unsaturated
Examples of saturated fats - answermeat, poultry, egg yolks, whole milk, whole-milk
cheeses, cream, ice cream, and butter.
Although plant foods generally contain more polyunsaturated fatty acids than saturated
fatty acids what are the exceptions - answerchocolate, coconut, palm oil, and palm
kernel oils
How to determine saturated vs unsaturated fats - answerFoods containing a high
proportion of saturated fats are usually solid at room temperature.
Pectin - answeredible thickening agent
Mucilage - answergel-forming dietary fiber
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