Question 1

A chemical feature that distinguishes a saturated fatty acid from an unsaturated fatty acid is the:

Accepted Answer

A)   arrangement of carbon molecules.
B)   number of oxygen molecules.
C)   food source.
D)   number of double bonds.E) A) and B)
F) A) and D)

Question 2

An important function of cholesterol is to:

Accepted Answer

A)   form bile salts.
B)   break down cell membranes.
C)   metabolize carbohydrates.
D)   produce vitaminE) All of the above
F) B) and C)

Question 3

Prostaglandins have a local action similar to that of:

Accepted Answer

A)   enzymes.
B)   neurotransmitters.
C)   hormones.
D)   lipoproteins.E) C) and D)
F) B) and D)

Question 4

One characteristic of an essential fatty acid is that it:

Accepted Answer

A)   comes from an animal source.
B)   comes from a plant source.
C)   is not manufactured by the body.
D)   is manufactured by the body.E) None of the above
F) B) and C)

Question 5

The hormone responsible for stimulating the gallbladder to contract and release bile is:

Accepted Answer

A)   gastric lipase.
B)   cholecystokinin.
C)   vitamin
D)   enterokinin.E) A) and B)
F) B) and D)

Question 6

When two or more double bonds in a fatty acid remain unfilled, the resulting fatty acid is classified as:

Accepted Answer

A)   monounsaturated.
B)   polyunsaturated.
C)   essential.
D)   saturated.E) B) and D)
F) A) and B)

Question 7

A triglyceride is composed of glycerol and:

Accepted Answer

A)   fatty acids.
B)   amino acids.
C)   polysaccharides.
D)   cholesterol.E) B) and C)
F) All of the above A

Question 8

A saturated fat that contains no cholesterol is:

Accepted Answer

A)   butter.
B)   coconut oil.
C)   eggs.
D)   fish.E) A) and C)
F) All of the above

Question 9

The greatest number of kcalories would be provided by eating 30 g of:

Accepted Answer

A)   carbohydrates.
B)   fat.
C)   protein.
D)   micronutrients.E) B) and D)
F) B) and C)

Question 10

The chain length of fatty acids that are most water soluble and most easily absorbed into the bloodstream is:

Accepted Answer

A)   very long.
B)   long.
C)   medium.
D)   short.E) A) and D)
F) B) and C)

Question 11

The n-3 fatty acids are of current interest because of their relation to prevention of:

Accepted Answer

A)   liver disease.
B)   respiratory infections.
C)   cardiovascular disease.
D)   urinary tract infections.E) A) and B)
F) A) and C)

Question 12

"Hidden" fats are found in:

Accepted Answer

A)   rice.
B)   muffins.
C)   bacon.
D)   baked potatoes.E) All of the above
F) B) and D)

Question 13

The substance that allows lipoproteins to carry lipids in the blood is:

Accepted Answer

A)   phospholipid.
B)   cholesterol.
C)   chylomicrons.
D)   glycerol.E) A) and B)
F) All of the above

Question 14

The major portion of the chemical digestion of lipids occurs in the:

Accepted Answer

A)   mouth.
B)   stomach.
C)   small intestine.
D)   large intestine.E) None of the above
F) A) and C)

Question 15

The form of fatty acids in naturally occurring fats is generally:

Accepted Answer

A)   trans.
B)   polyunsaturated.
C)   cis.
D)   saturated.E) A) and B)
F) None of the above

Question 16

A characteristic of saturated fats is that they are:

Accepted Answer

A)   mostly found in animal products.
B)   liquid at room temperature.
C)   composed of many double bonds.
D)   found primarily in vegetable products.E) A) and B)
F) B) and D) A

Question 17

Fatty acids are the preferred energy source for the:

Accepted Answer

A)   brain.
B)   muscles.
C)   heart.
D)   lungs.E) A) and B)
F) A) and C)

Question 18

Lipids are carried in the bloodstream in:

Accepted Answer

A)   micelles.
B)   glycolipids.
C)   lecithin.
D)   lipoproteins.E) None of the above
F) B) and D) D

Question 19

Cholesterol absorption may be decreased by intake of:

Accepted Answer

A)   vitamin K.
B)   plant sterols.
C)   trans fats.
D)   phospholipids.E) B) and D)
F) None of the above

Question 20

Many infant formulas now contain added arachidonic and docosahexaenoic acids because:

Accepted Answer

A)   infants who drink formula rather than breast milk need more of these fatty acids.
B)   these fatty acids are destroyed during processing of infant formula.
C)   infants may not be able to produce enough of these for optimum development.
D)   these fatty acids help preserve other nutrients in the infant formula.E) C) and D)
F) B) and D)

Exam 4: Lipids

A chemical feature that distinguishes a saturated fatty acid from an unsaturated fatty acid is the:

Correct AnswerverifiedShow Answer

An important function of cholesterol is to:

Correct AnswerverifiedShow Answer

Prostaglandins have a local action similar to that of:

Correct AnswerverifiedShow Answer

One characteristic of an essential fatty acid is that it:

Correct AnswerverifiedShow Answer

The hormone responsible for stimulating the gallbladder to contract and release bile is:

Correct AnswerverifiedShow Answer

When two or more double bonds in a fatty acid remain unfilled, the resulting fatty acid is classified as:

Correct AnswerverifiedShow Answer

A triglyceride is composed of glycerol and:

Correct AnswerverifiedA

A saturated fat that contains no cholesterol is:

Correct AnswerverifiedShow Answer

The greatest number of kcalories would be provided by eating 30 g of:

Correct AnswerverifiedShow Answer

The chain length of fatty acids that are most water soluble and most easily absorbed into the bloodstream is:

Correct AnswerverifiedShow Answer

The n-3 fatty acids are of current interest because of their relation to prevention of:

Correct AnswerverifiedShow Answer

"Hidden" fats are found in:

Correct AnswerverifiedShow Answer

The substance that allows lipoproteins to carry lipids in the blood is:

Correct AnswerverifiedShow Answer

The major portion of the chemical digestion of lipids occurs in the:

Correct AnswerverifiedShow Answer

The form of fatty acids in naturally occurring fats is generally:

Correct AnswerverifiedShow Answer

A characteristic of saturated fats is that they are:

Correct AnswerverifiedA

Fatty acids are the preferred energy source for the:

Correct AnswerverifiedShow Answer

Lipids are carried in the bloodstream in:

Correct AnswerverifiedD

Cholesterol absorption may be decreased by intake of:

Correct AnswerverifiedShow Answer

Many infant formulas now contain added arachidonic and docosahexaenoic acids because:

Correct AnswerverifiedShow Answer

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