Module 2 Lipids Flashcards
Which of the following is a function of fat?
a. Satiety b. Repair body tissue c. Make enzymes d. Make hormones
satiety
Of the following structures, which is (are) considered to be a lipid?
Select ALL that apply.
[mark all correct answers]
a.
sterol
b. triglyceride c. amine d. phospholipid e. polypeptide
sterol
triglyceride
phospholipid
What are the characteristics of a phospholipid?
Select ALL that apply.
[mark all correct answers]
a.
they are water-soluble
b. they are fat-soluble c. they allow cells to dissolve into the watery bloodstream d. they allow fat and oil to be blended together e. they have two fewer fatty acid chains than the triglycerides f. they contain a phosphorus group and two fatty acid chains attached to glycerol
they are water-soluble
b. they are fat-soluble
they allow fat and oil to be blended together
they contain a phosphorus group and two fatty acid chains attached to glycerol
What type of compound is lecithin?
a. Bile salt b. Lipoprotein c. Triglyceride d. Phospholipid
phospholipid
What is the difference between saturated fat and unsaturated fat?
a. saturated fats are processed, but unsaturated fats are natural in foods b. saturated fats have been partially hydrogenated, but unsaturated fat has been fully hydrogenated c. unsaturated fats have some double bonds between carbons, but saturated fats have no double bonds d. unsaturated fats contain carbon, hydrogen, and oxygen, but saturated fat is missing oxygen
unsaturated fats have some double bonds between carbons, but saturated fats have no double bonds
Which type of fats are the least shelf stable?
a. saturated fats b. trans fats c. polyunsaturated fats d. monounsaturated fats
polyunsaturated fats
Which food is considered the healthiest based on the “bad” fat content?
a. tub margarine b. stick margarine c. shortening d. butter
tub margarine
What product has the highest percentage of its fat in saturated form?
a. Butter b. Corn oil c. Walnuts d. Coconut oil
coconut oil
The best way to describe a fatty acid that has one point of unsaturation is:
a. polyunsaturated b. monounsaturated c. polyglyceride d. monoglyceride
b.
monounsaturated
Which of the following types of fats is likely to make a food become rancid?
a. Unsaturated fat b. Saturated fat c. Lecithin d. Cholesterol
Unsaturated fat
Lipids differ in their degree of saturation or unsaturation due to their number of ____.
a. amino acids b. saccharide units c. nitrogen atoms d. double bonds
d.
double bonds
Which product provides abundant amounts of omega-3 fatty acids?
a. Palm oil b. Safflower oil c. Corn oil d. Flaxseed oil
d.
Flaxseed oil
Which product has the highest percentage of its fat in polyunsaturated form?
a. Butter b. Corn Oil c. Coconut Oil d. Shortening
corn oil
How does soluble fiber lower cholesterol levels?
a. Soluble fiber stimulates lipase enzymes to digest cholesterol. b. Soluble fiber binds up the bile to remove from the body. c. Soluble fiber blocks cholesterol from being absorbed. d. Soluble fiber increases the reabsorption of bile.
Soluble fiber binds up the bile to remove from the body.
What part of the gastrointestinal tract is the predominant site of dietary fat digestion?
a. Mouth b. Stomach c. Small intestine d. Liver
c.
Small intestine