Question 1

During rest and light activities, fatty acids are the main fuel for _______________.

Accepted Answer

A)   the brain
B)   muscles
C)   the nervous system
D)   the liverE) A) and B)
F) All of the above

Question 2

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

Accepted Answer

A)   Saturated
B)   Hydrogenated
C)   Monounsaturated
D)   PolyunsaturatedE) None of the above
F) All of the above

Question 3

In the small intestine, the pancreas secretes ____________ to digest triglycerides.

Accepted Answer

A)   chylomicrons
B)   lipase
C)   bicarbonate
D)   insulinE) C) and D)
F) B) and C)

Question 4

The plant stanols/sterols, also called phytosterols, work by

Accepted Answer

A)   reducing cholesterol absorption in the small intestine and lowering its return to the liver.
B)   interacting with dietary fiber to bind fat in the small intestine.
C)   decreasing the ability of cholesterol to bind to artery walls.
D)   decreasing trans fat formation in fried foods.E) A) and B)
F) C) and D)

Question 5

How many carbons do long-chain fatty acids contain?

Accepted Answer

A)   4 to 6
B)   6 to 8
C)   10 or more
D)   12 or moreE) A) and B)
F) All of the above

Question 6

Which of the following is true about the fate of fatty acids after their absorption?

Accepted Answer

A)   Fatty acids of 16 or more carbons enter the blood and then the liver via the portal vein.
B)   Fatty acids of less than 12 carbons enter the lymphatic system packaged in chylomicrons.
C)   Fatty acids of less than 12 carbons enter the blood and then the liver via the portal vein.
D)   Fatty acids of 16 or more carbons enter the lymphatic system directly and then enter the blood via the aorta.E) A) and B)
F) C) and D)

Question 7

Match the following with the descriptions below

Accepted Answer

The answer of Match the following with the descriptions below
...

Question 8

The body energy that can be stored in almost unlimited amounts is

Accepted Answer

A)   glycogen.
B)   triglyceride.
C)   protein.
D)   glucose.E) B) and C)
F) C) and D)

Question 9

A(n)  _______________ is the simplest form of lipid; it is a carbon chain, flanked by hydrogens, with an acid group at one end and a methyl group at the other end.

Accepted Answer

A)   cholesterol
B)   fatty acid
C)   glycerol
D)   triglycerideE) C) and D)
F) All of the above

Question 10

After chylomicrons leave the intestinal cells, they are transported via what system?

Accepted Answer

A)   Vascular
B)   Lymphatic
C)   Capillary
D)   VenousE) A) and C)
F) None of the above

Question 11

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) C) and D)
F) All of the above

Question 12

A(n)  ______ fatty acid is a polyunsaturated fatty acid that has a double bond at the third carbon from the methyl end.

Accepted Answer

A)   tri-saturated
B)   omega-3
C)   omega-6
D)   tri-methylE) A) and B)
F) A) and C)

Question 13

Which lipoprotein is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion?

Accepted Answer

A)   Chylomicron
B)   Low-density lipoprotein
C)   Very-low-density lipoprotein
D)   High-density lipoproteinE) None of the above
F) A) and B)

Question 14

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) A) and D)

Question 15

A monounsaturated 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) All of the above
F) A) and D)

Question 16

A diglyceride consists of

Accepted Answer

A)   2 glycerol and 1 fatty acid.
B)   2 glucose and 1 fatty acid.
C)   1 glucose and 2 fatty acids.
D)   1 glycerol and 2 fatty acids.E) A) and B)
F) A) and C)

Question 17

Consumption of fatty fish at least twice a week is recommended to provide omega-3 fatty acids. However, some fish - especially swordfish, shark, king mackerel, and tile fish - can be a source of ____________, which is toxic in high amounts.

Accepted Answer

A)   vitamin A
B)   arsenic
C)   fluoride
D)   mercuryE) B) and C)
F) A) and D)

Question 18

One fat replacer that has gained notoriety lately due to its undesirable side effects is _______________.

Accepted Answer

A)   Promise
B)   Crisco
C)   Olestra
D)   XenicalE) All of the above
F) B) and D)

Question 19

The three-carbon structure to which fatty acids are attached in triglycerides is called

Accepted Answer

A)   glycerol.
B)   glucose.
C)   lipoprotein.
D)   sterol.E) A) and C)
F) A) and B)

Question 20

Studies of Greenland Eskimos, among others, have demonstrated a relationship between the consumption of fish and the risk for heart disease. What is the most likely mechanism for the reduction of heart disease risk when fish is consumed?

Accepted Answer

A)   The protein in fish lowers the blood cholesterol.
B)   Fish is low in cholesterol.
C)   Fish supplies fatty acids that decrease blood clotting.
D)   The carbohydrate in fish lowers blood cholesterol.E) All of the above
F) B) and C)

Exam 5: Lipids

One fat replacer that has gained notoriety lately due to its undesirable side effects is _______________.

Correct AnswerverifiedShow Answer

A(n) ______ fatty acid is a polyunsaturated fatty acid that has a double bond at the third carbon from the methyl end.

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Match the following with the descriptions below

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which lipoprotein is responsible for picking up cholesterol from dying cells and other sources so it can be transported back to the liver for excretion?

Correct AnswerverifiedShow Answer

The three-carbon structure to which fatty acids are attached in triglycerides is called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A(n) _______________ is the simplest form of lipid; it is a carbon chain, flanked by hydrogens, with an acid group at one end and a methyl group at the other end.

Correct AnswerverifiedShow Answer

The body energy that can be stored in almost unlimited amounts is

Correct AnswerverifiedShow Answer

A monounsaturated fatty acid contains

Correct AnswerverifiedShow Answer

Consumption of fatty fish at least twice a week is recommended to provide omega-3 fatty acids. However, some fish - especially swordfish, shark, king mackerel, and tile fish - can be a source of ____________, which is toxic in high amounts.

Correct AnswerverifiedShow Answer

During rest and light activities, fatty acids are the main fuel for _______________.

Correct AnswerverifiedShow Answer

A diglyceride consists of

Correct AnswerverifiedShow Answer

How many carbons do long-chain fatty acids contain?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Studies of Greenland Eskimos, among others, have demonstrated a relationship between the consumption of fish and the risk for heart disease. What is the most likely mechanism for the reduction of heart disease risk when fish is consumed?

Correct AnswerverifiedShow Answer

Which of the following is true about the fate of fatty acids after their absorption?

Correct AnswerverifiedShow Answer

After chylomicrons leave the intestinal cells, they are transported via what system?

Correct AnswerverifiedShow Answer

In the small intestine, the pancreas secretes ____________ to digest triglycerides.

Correct AnswerverifiedShow Answer

The plant stanols/sterols, also called phytosterols, work by

Correct AnswerverifiedShow Answer

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