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Exam 5: The Lipids: Fats and Oils

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Question 1

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The body can store fat in practically unlimited amounts.

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Question 2

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Compare and contrast the following lipoproteins: LDL, HDL, VLDL, and chylomicrons. Include where they are made, their functions in the body, and the correlation between high or low levels and heart disease risk.

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Question 3

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Vignette #2 Bob is committed to losing weight but knows little about nutrition. He has heard his friends discussing types of fat, such as saturated and unsaturated, but has no idea what the terms mean or how they relate to his health and diet. He also has read that the most important improvement a person can make in his or her diet is to eat less cholesterol. Let's answer these questions and help Bob understand this topic better. Which food is rich in saturated fat?

Vignette #1 Jack has just returned from the hospital where Jack's father is recovering from a heart attack. The doctors told Jack that his dad's atherosclerosis is very serious. Jack and his wife, Melanie, are worried about Jack's father and also are starting to think about Jack's risk of also having heart disease in his lifetime. He sets up an appointment at his doctor's office and has his blood lipid levels evaluated for the first time. Let's see if you can answer some of the questions that Jack and Melanie have. What exactly happens in atherosclerosis?

Which of the following makes up 95% of the lipids in the diet?

For each of the following foods, suggest a replacement that is lower in unhealthy fats: a. Cheddar cheese b. 2% milk c. Mayonnaise d. Spareribs e. Fried chicken f. Fish sticks g. Pasta with Alfredo sauce h. Premium ice cream i. Croissant

Joy decides to cook dinner with less fat tonight and omits 2 tablespoons of vegetable oil from her recipe for rice pilaf. This change reduces the calories from fat in this recipe by approximately _____.

The most important difference between the typical American diet and the typical Mediterranean diet is that:

Sam and Regina are new parents and want to do the best thing for their baby. Sam says they should put their baby on a low-fat diet right from the beginning. What advice would you give these new parents?

What happens to fat when it initially enters the small intestine?

Health experts advise that you decrease consumption of foods rich in _____ and increase the intake of _____ to achieve a more healthful balance.

Most people have well-developed plaques in their arteries by the time they are:

The Mediterranean diet provides about 30 to 35 percent of calories from fat.

Unprocessed oils are best stored in airtight containers because:

All food fats contain a mixture of saturated and unsaturated fatty acids.

Match the term with the short phrase or description that best matches it.

Which of the following statements concerning lecithin is not true?

Eating more fiber promotes fat and cholesterol excretion.

The American Heart Association recommends a saturated fat intake of less than _____% of calories.

Why does eating a high-fiber diet lower a person's risk for heart disease?