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Exam 5: Lipids

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Question 41

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What are the desirable LDL and HDL blood levels?

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The goal is to lower the LDL l...

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Question 42

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Cholesterol is found mostly in animal- based foods, whereas plant- based foods contain mostly phytosterols.

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Question 43

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What are free radicals?

Lecithin, an emulsifier, is an example of a_______ found in food and in the body.

Vegetable oils are more heart- healthy than butter.

Flax oil, which is rich in polyunsaturated fatty acids, is more susceptible to oxidation than corn oil, which contains more saturated and monounsaturated fatty acids. Flax oil should be permanently refrigerated?

Dietary intake of saturated fat should be limited to no more than 10 percent of total fat consumption, and less than 2 percent of fat consumption should be from trans fats.

Dietary cholesterol and phospholipids are both made in the body and are not essential nutrients.

If you have a history of heart disease in your family, you should be limiting saturated fat, cholesterol, and trans fat and increasing fish consumption, as well as consuming antioxidant- rich fruits, vegetables, whole grains, and nuts.

A fatty acid which has 12 or more carbons is called a

Saturated fat, and trans fat are linked to heart disease.

Which of the following fats is most beneficial to the circulatory system?

___________ transport digested lipids from the lumen of the GI tract into the enterocytes.

When Maria received her blood cholesterol levels, and discovered that her HDL levels are low. Which lipoprotein levels should be lower and which should be higher?

Most _______ are digested in the small intestine with the help of bile and pancreatic lipase.

How are lipids classified by their structure?

Which fats are heart- healthy?

Linoleic acid is a polyunsaturated essential __________ fatty acid; and alpha- linolenic acidpolyunsaturated essential__________ fatty acid.

High LDL blood cholesterol, low HDL blood cholesterol, high blood pressure, excess body weight, inactivity, type 2 diabetes, and smoking represent uncontrollable risk factors for heart disease.

Phytosterols and phytostanols in soybean oil, many fruits, legumes and other vegetables, sesame seeds, nuts, and cereals lower LDL cholesterol.