Question 1

Dark green,leafy vegetables provide essential omega-3 fatty acids that help lower the risk for cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 2

Which essential fatty acid plays an important role in reducing a person's risk for heart disease?

Accepted Answer

A)  cholesterol
B)  trans fatty acid
C)  alpha-linolenic acid
D)  linoleic acid

Question 3

Diets high in trans fatty acids are MOST associated with:

Accepted Answer

A)  decreased cancer risk.
B)  increased blood cholesterol levels.
C)  osteoporosis.
D)  decreased blood glucose levels.

Question 4

A ________ fatty acid contains one double bond between carbons.

Accepted Answer

A)  monounsaturated
B)  polyunsaturated
C)  saturated
D)  sterol

Question 5

A fatty acid comprised of a 16-carbon chain with no points of unsaturation is called a(n) :

Accepted Answer

A)  saturated,short-chain fatty acid.
B)  saturated,medium-chain fatty acid.
C)  saturated,long-chain fatty acid.
D)  unsaturated,long-chain fatty acid.

Question 6

Why does a cis fatty acid have a kinked shape?

Accepted Answer

A)  Its hydrogen atoms are attached on diagonally opposite sides of the double carbon bond.
B)  Both hydrogen atoms are located on the same sides of the double carbon bond.
C)  Every one of its carbon atoms is saturated with hydrogen.
D)  It has only one double carbon bond.

Question 7

Diets high in plant foods will usually be lower in saturated fats than diets high in animal products.

Accepted Answer

A) True 
 B)False

Question 8

How are high-density lipoproteins (HDLs) related to heart health?

Accepted Answer

A)  HDLs increase inflammation,which restricts blood flow.
B)  HDLs release artery-clogging cholesterol into the blood.
C)  HDLs remove artery-clogging cholesterol from the blood.
D)  HDLs help bind cholesterol to the walls of blood vessels,restricting blood flow.

Question 9

Where in the body are the majority of triglycerides stored for future energy needs?

Accepted Answer

A)  lipoproteins
B)  beta cells of the pancreas
C)  liver
D)  adipose tissue

Question 10

What is the leading cause of death in the United States?

Accepted Answer

A)  cancer
B)  heart disease
C)  diabetes
D)  infection

Question 11

What effect does exercise have on blood-cholesterol levels?

Accepted Answer

A)  increases total triglycerides
B)  increases high-density lipoprotein (HDL) cholesterol
C)  lowers HDL-cholesterol
D)  increases low-density lipoprotein (LDL) cholesterol

Question 12

To facilitate the digestion of dietary fats,the gallbladder stores and releases:

Accepted Answer

A)  lipase.
B)  bile.
C)  hydrochloric acid.
D)  bicarbonate.

Question 13

Lipids are a major fuel source when we are at rest.

Accepted Answer

A) True 
 B)False

Question 14

The Centers for Disease Control (CDC) and other health groups recommend that total daily intake of canola oil and other polyunsaturated fats make up no more than ________ of total energy intake in order to prevent or reduce the risk for heart disease.

Accepted Answer

A)  7%
B)  10%
C)  20%
D)  35%

Question 15

Which type of lipid has as a ring structure?

Accepted Answer

A)  trans fatty acids
B)  phospholipids
C)  sterols
D)  saturated fatty acids

Question 16

A fatty acid comprised of a 10-carbon chain and one double bond is characterized as a:

Accepted Answer

A)  saturated,medium-chain fatty acid.
B)  saturated,long-chain fatty acid.
C)  monounsaturated,medium-chain fatty acid.
D)  monounsaturated,long-chain fatty acid.

Question 17

Which of the following is/are a critical structural component of a cell's membrane?

Accepted Answer

A)  estrogen
B)  glycerol
C)  phospholipids
D)  triglycerides

Question 18

Essential fatty acids (EFAs) are precursors needed to produce which type of biological compounds?

Accepted Answer

A)  enzymes
B)  eicosanoids
C)  cholesterols
D)  carbohydrates

Question 19

Which of the following substances is classified as a lipid?

Accepted Answer

A)  glycogens
B)  cholecystokinin (CCK) 
C)  sterols
D)  phosphates

Question 20

Which of the following triggers the breakdown of stored fat?

Accepted Answer

A)  lipoprotein lipase
B)  epinephrine
C)  insulin
D)  estrogen

Exam 6: Lipids: Essential Energy-Supplying Nutrients

What is the leading cause of death in the United States?

Correct AnswerverifiedShow Answer

Where in the body are the majority of triglycerides stored for future energy needs?

Correct AnswerverifiedShow Answer

Why does a cis fatty acid have a kinked shape?

Correct AnswerverifiedShow Answer

A fatty acid comprised of a 10-carbon chain and one double bond is characterized as a:

Correct AnswerverifiedShow Answer

Diets high in trans fatty acids are MOST associated with:

Correct AnswerverifiedShow Answer

Essential fatty acids (EFAs) are precursors needed to produce which type of biological compounds?

Correct AnswerverifiedShow Answer

Which of the following triggers the breakdown of stored fat?

Correct AnswerverifiedShow Answer

To facilitate the digestion of dietary fats,the gallbladder stores and releases:

Correct AnswerverifiedShow Answer

Which of the following substances is classified as a lipid?

Correct AnswerverifiedShow Answer

Lipids are a major fuel source when we are at rest.

Correct AnswerverifiedShow Answer

Which type of lipid has as a ring structure?

Correct AnswerverifiedShow Answer

How are high-density lipoproteins (HDLs) related to heart health?

Correct AnswerverifiedShow Answer

The Centers for Disease Control (CDC) and other health groups recommend that total daily intake of canola oil and other polyunsaturated fats make up no more than ________ of total energy intake in order to prevent or reduce the risk for heart disease.

Correct AnswerverifiedShow Answer

Which of the following is/are a critical structural component of a cell's membrane?

Correct AnswerverifiedShow Answer

Which essential fatty acid plays an important role in reducing a person's risk for heart disease?

Correct AnswerverifiedShow Answer

Diets high in plant foods will usually be lower in saturated fats than diets high in animal products.

Correct AnswerverifiedShow Answer

What effect does exercise have on blood-cholesterol levels?

Correct AnswerverifiedShow Answer

A fatty acid comprised of a 16-carbon chain with no points of unsaturation is called a(n) :

Correct AnswerverifiedShow Answer

Dark green,leafy vegetables provide essential omega-3 fatty acids that help lower the risk for cardiovascular disease.

Correct AnswerverifiedShow Answer

A ________ fatty acid contains one double bond between carbons.

Correct AnswerverifiedShow Answer

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