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Unsaturated fatty acids are liquid at room temperature because they pack together more tightly than saturated fatty acids.

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Of the following actions, the most effective way to improve HDL cholesterol levels is to


A) drink green tea.
B) engage in routine exercise.
C) lower polyunsaturated fat intake.
D) lower saturated fat intake.

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Sterols contain how many glycerol and fatty acid groups?


A) 0
B) 3
C) 5
D) 2

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Lipids that are liquid at room temperature are called oils.

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Which of the following lipids do not contain a glycerol backbone?


A) monoglycerides
B) sterols
C) phospholipids
D) triglycerides

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Which of the following actions likely has the smallest impact on your LDL cholesterol level?


A) trans fat intake
B) dietary cholesterol intake
C) saturated fat intake
D) They all have equal impact.

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Normal blood pressure is considered more than 120 mm/Hg for the systolic pressure and more than 80 mm/Hg for the diastolic pressure.

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If each day you consume 2,500 calories and want no more than 30 percent of your calories to come from fat, how many grams of fat can you eat per day? Show your work.

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(2,500 × 0.3) / 9 ca...

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Which of the following is not a component of arterial plaque?


A) foam cells
B) calcium
C) platelets
D) fluoride

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What is the difference between a saturated fatty acid and an unsaturated fatty acid? Discuss the effects of saturated fats and unsaturated fats on health.

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A saturated fatty acid is filled to capa...

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Your body needs cholesterol as the precursor for vitamin A, bile acids, and sex hormones.

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Phospholipids are made up of how many fatty acid chains?


A) 4
B) 3
C) 2
D) 1

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Describe the digestion process of fat, beginning in the stomach.

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Note first that fat digestion begins in ...

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Which of the following statements regarding trans fats is correct?


A) Their consumption raises LDL levels and lowers HDL levels.
B) Their consumption raises blood pressure.
C) Their consumption raises triglyceride levels and lowers LDL levels.
D) Their consumption raises both LDL levels and HDL levels.

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HDLs remove cholesterol from the cells and deliver it to the


A) liver.
B) gall bladder.
C) pancreas.
D) heart.

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The energy content of fat is________ calories per gram.


A) 11
B) 9
C) 4
D) 7

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Triglycerides contain a glycerol backbone attached to four fatty acids.

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A diet that limits unsaturated fat and trans fat can reduce your risk of heart disease.

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Which of the following foods should provide the majority of fat in the Mediterranean diet?


A) eggs
B) dairy
C) cheese
D) olive oil and olives

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VLDL is a lipoprotein that delivers fat made in the liver to various tissues.

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