Question 1

Which of the following would be a good source of polyunsaturated fatty acids?

Accepted Answer

A)   Beef
B)   Chicken
C)   Olive oil
D)   Safflower oilE) B) and D)
F) B) and C)

Question 2

Cardiovascular disease risk factors include all of the following except

Accepted Answer

A)   total blood cholesterol >200 mg/dl.
B)   hypertension.
C)   HDL cholesterol > 40 mg/dl.
D)   blood triglycerides > 200 mg/dl.E) None of the above
F) A) and B)

Question 3

Immediately after a meal, newly absorbed dietary fats appear in the blood as

Accepted Answer

A)   high density lipoproteins.
B)   low density lipoproteins.
C)   chylomicrons.
D)   cholesterol.E) A) and B)
F) None of the above

Question 4

Name an omega-3 fatty acid with 20 carbons and 5 double bonds, found in fatty fish and synthesized from alpha-linolenic acid.

Accepted Answer

A)   Phospholipids
B)   Eicosapentaenoic Acid (EP
A)  
C)   Steroids
D)   Omega-6 fatty acidsE) B) and C)
F) A) and C)

Question 5

Most fats in foods and the body are composed of

Accepted Answer

A)   glycogen and fatty acids.
B)   fatty acids and glycerol.
C)   lactic acid and glycogen.
D)   glucose and fatty acids.E) None of the above
F) A) and B)

Question 6

When triglycerides are digested, before being absorbed, they are converted to a mixture of

Accepted Answer

A)   diglycerides and fatty acids.
B)   monoglycerides and diglycerides.
C)   monoglycerides and fatty acids.
D)   glycerol and fatty acids.E) A) and B)
F) C) and D)

Question 7

Which of the following describes a fatty acid that has one double bond?

Accepted Answer

A)   Saturated
B)   Hydrogenated
C)   Monounsaturated
D)   PolyunsaturatedE) A) and B)
F) A) and C)

Question 8

After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are

Accepted Answer

A)   converted to proteins.
B)   converted to glucose.
C)   reformed into triglycerides.
D)   converted to cholesterol.E) All of the above
F) A) and C)

Question 9

Which of the following is true about Olestra?

Accepted Answer

A)   It is not approved for use by the FDA.
B)   It does provide kcalories but not as many as fat provides.
C)   It cannot be digested, therefore it leaves the body.
D)   It cannot be used for frying.E) A) and D)
F) None of the above

Question 10

"Hidden" fat includes

Accepted Answer

A)   butter.
B)   fat in crackers and other grain products.
C)   fat around the edges of meats.
D)   mayonnaise in potato salad.E) A) and B)
F) A) and D)

Question 11

Lipoproteins contain all of the following components except

Accepted Answer

A)   protein.
B)   cholesterol.
C)   carbohydrate.
D)   phospholipid.E) None of the above
F) A) and C)

Question 12

What is the composition of the triglyceride form of fats?

Accepted Answer

A)   Fatty acids, glycerol, and sterols
B)   Fatty acids, glycerol, and phosphorus
C)   Fatty acids and glycerol
D)   Fatty acids, glycerol, phosphorus, and sterolsE) B) and D)
F) B) and C)

Question 13

An essential omega-3 fatty acid with 18 carbons and 3 double bonds is called

Accepted Answer

A)   linoleic acid.
B)   diglyceride.
C)   alpha-linoleic acid.
D)   cholesterol.E) A) and B)
F) All of the above

Question 14

Timothy wants to avoid eating too much hydrogenated fat. All of the following are appropriate ways except

Accepted Answer

A)   using little or no stick margarine.
B)   using tub margarines and vegetable oils.
C)   avoiding consumption of deep fried foods at quick-service restaurants.
D)   eating packaged cookies and desserts made with vegetable shortening.E) None of the above
F) A) and B)

Question 15

A saturated fatty acid contains

Accepted Answer

A)   no double bonds.
B)   one double bond.
C)   2 to 12 double bonds.
D)   14 to 24 double bonds.E) A) and C)
F) B) and D)

Question 16

A meal providing 1,200 kcal contains 13 grams of saturated fat, 10 grams of monounsaturated fat, and 27 grams of polyunsaturated fat. This meal provides ______% of total kcal as fat

Accepted Answer

The answer of A meal providing 1,200 kcal contains 13...

Question 17

Good suggestions for eating in a heart-healthy way would be to

Accepted Answer

A)   avoid all treats.
B)   trim fat off meat before and after cooking.
C)   use eggs liberally because they are not associated with serum cholesterol.
D)   avoid foods high in monounsaturated fat, such as olive oil.E) A) and C)
F) All of the above

Question 18

Sterols are similar to triglycerides in which of the following ways?

Accepted Answer

A)   They contain fatty acids.
B)   They contain glycerol.
C)   They usually contain three fatty acids.
D)   They do not dissolve in water.E) All of the above
F) B) and C)

Question 19

The main regulator of blood cholesterol levels is

Accepted Answer

A)   dietary cholesterol.
B)   the liver.
C)   the amount of cholesterol in LDLs.
D)   the amount of cholesterol in HDLs.E) B) and C)
F) C) and D)

Question 20

Hydrogenation produces what kinds of fat?

Accepted Answer

A)   High-Density Lipoprotein (HDL) 
B)   Cis-fatty acids
C)   Low-Density Lipoprotein (LDL) 
D)   Trans-fatty acidsE) All of the above
F) A) and D)

Exam 5: Lipids

Which of the following is true about Olestra?

Correct AnswerverifiedShow Answer

Cardiovascular disease risk factors include all of the following except

Correct AnswerverifiedShow Answer

Name an omega-3 fatty acid with 20 carbons and 5 double bonds, found in fatty fish and synthesized from alpha-linolenic acid.

Correct AnswerverifiedShow Answer

What is the composition of the triglyceride form of fats?

Correct AnswerverifiedShow Answer

"Hidden" fat includes

Correct AnswerverifiedShow Answer

Hydrogenation produces what kinds of fat?

Correct AnswerverifiedShow Answer

Lipoproteins contain all of the following components except

Correct AnswerverifiedShow Answer

Sterols are similar to triglycerides in which of the following ways?

Correct AnswerverifiedShow Answer

Timothy wants to avoid eating too much hydrogenated fat. All of the following are appropriate ways except

Correct AnswerverifiedShow Answer

When triglycerides are digested, before being absorbed, they are converted to a mixture of

Correct AnswerverifiedShow Answer

Which of the following describes a fatty acid that has one double bond?

Correct AnswerverifiedShow Answer

An essential omega-3 fatty acid with 18 carbons and 3 double bonds is called

Correct AnswerverifiedShow Answer

Good suggestions for eating in a heart-healthy way would be to

Correct AnswerverifiedShow Answer

The main regulator of blood cholesterol levels is

Correct AnswerverifiedShow Answer

Immediately after a meal, newly absorbed dietary fats appear in the blood as

Correct AnswerverifiedShow Answer

Most fats in foods and the body are composed of

Correct AnswerverifiedShow Answer

Which of the following would be a good source of polyunsaturated fatty acids?

Correct AnswerverifiedShow Answer

After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are

Correct AnswerverifiedShow Answer

A saturated fatty acid contains

Correct AnswerverifiedShow Answer

A meal providing 1,200 kcal contains 13 grams of saturated fat, 10 grams of monounsaturated fat, and 27 grams of polyunsaturated fat. This meal provides ______% of total kcal as fat

Correct AnswerverifiedShow Answer

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