Chapter 5: Lipids – Flashcards

Which of the following correctly characterizes lipids? A. they do not dissolve in water B. they contain carbon, hydrogen, and nitrogen C. They dissolve in water D. they are all classified as sterols

The functions of fat include all of the following EXCEPT? A. build and repair tissue B. Cushion and protect vital organs C. insulate the body D. Transport fat-soluble vitamins

Phospholipids consist of A. Two fatty acids B. Cholesterol C. glycerol and phosphate D. A and B E. A and C

Arachadonic acid is associated with A. Glucose metabolism B. Omega 3 fatty acid metabolism C. Omega 6 fatty acid metabolism D. cholesterol metabolism

The chief contributors of saturated fatty acids in the U.S diet include A. whole grains B. sunflower, soybean, and safflower oils C. lecithins D. animal products

Monounsaturated fatty acids A. are liquid at room temperature B. have one double bond in the fatty acid chain C. lower cholesterol D. all of these responses are correct

In what form is most body fat stored? A. cholesterol B. phospholipids C. Triglycerides D. none of these are correct

Which of the following lipids is a precursor for estrogen and bile A. Ecosinoids B. cholesterol C. Saturated fat D. Alpha linoleic acid

Saturated fatty acids A. are always 18 carbons long B. have at least one double bond C. are fully loaded with hydrogen's D. are always liquid at room temperature

A triglyceride consists of A. three glycerols attached to a lipid B. three fatty acids attached to a glucose C. three fatty acids attached to a glycerol D. three phospholipids attached to a cholesterol

The difference between cis- and trans- fatty acids is A. the number of double bonds B. the length of their carbon chains C. the location of the first double bond D. the configuration around the double bond

Which of these is NOT true? Lecithin is: A. an emulsifier B. A phospholipid C. an essential nutrient D. a constituent of cell membranes

Chylomicrons are produced in the A. liver B. pancreas C. gallbladder D. absorptive cells of small intestine

Lipids are transported by A. micelles B. Lipoproteins C. red blood cells D. Monoglycerides E. Bile

The lipoprotein most associated with a high risk of heart disease is A. the chylomicron B. HDL C. LDL D. lipoprotein lipase

Which is NOT true? fats: A. contain glucose B. provide energy C. protect organs from injury D. carry vitamins A, D, E and K

The essential fatty acids include: A. stearic acid and oleic acid B. oleic acid and linoleic acid C. palmitic acid and linoleic acid D. linolenic acid and linoleic acid

A person consuming 2200 calories per day who wants to meet health recommendations should limit daily fat intake to: A. 20-35 grams B. 50-85 grams C. 75-100 grams D. 90-130 grams

The order from best to worst of food fats, in terms of heart health is A. omega 3's MUFA, saturated, hydrogenated B. hydrogenated, MUFA, saturated, Omega 3's C. PUFA, MUFA, hydrogenated, Omega 3's D. saturated, MUFA, PUFA, hydrogenated

The LOWEST amount of saturated fat is found in which of the following foods? A. coconut oil B. butter C. canola oil D. margarine

What is true about the absorption and transportation of fat in the blood? A. fats travel in lipoprotein carriers B. all fats enter the small intestine wall and absorb directly into the bloodstream C. chylomicrons contain mainly protein D. HDL carries cholesterol to the cells

Regina's pregnant sister is interested in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), two essential fatty acids that can be made from alpha-linolenic (omega-3) acid. She has heard that EPA and DHA are important for cancer prevention, brain health, cardiovascular disease prevention, and immune function. which food is the best source of EPA+ DHA? A. walnuts B. flaxseed C. fatty fish D. mussels

cardiologists and other healthcare professionals recommend that people who are at elevated risk for developing cardiovascular disease adopt an "anti-atherosclerotic" lifestyle to help prevent atherosclerosis. Which of the following is a component of an anti- atherosclerotic lifestyle? A. smoking cessation B. low saturated fat and trans fat diet C. consumption of fruits and vegetables high in antioxidants D. all of these are components of an anti-atherosclerotic lifestyle