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Exam 5: The Lipids: Triglycerides, Phospholipids, and Sterols

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Question 121

Multiple Choice

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Which of the following has the highest percentage of its fat in saturated form?

A) butter
B) walnut oil
C) beef tallow
D) coconut oil

E) C) and D)
F) B) and C)

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Question 122

Multiple Choice

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Which of the following best describes the uptake of fat by adipose cells?

A) Circulating triglycerides are hydrolyzed by hormone-sensitive lipase for glycerol and fatty acid uptake.
B) High-density lipoprotein triglyceride is hydrolyzed by adipose tissue lipase prior to fatty acid uptake.
C) Insulin promotes rapid uptake of the intact triglyceride molecules by adipocytes.
D) Triglycerides in the blood are broken down to monoglycerides, fatty acids, and glycerol prior to uptake by the adipose cells.

E) C) and D)
F) A) and B)

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Question 123

Multiple Choice

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A lacto-ovo vegetarian wishing to ensure a liberal intake of linolenic acid should consume which of the following?

Discuss the most common food sources of harmful fats and ways to reduce their intake.

According to the Daily Value what should be the maximum daily intake of cholesterol on a 2000-kcalorie diet?

Approximately how many carbons are contained in a medium-chain fatty acid?

MATCHING a.Liver b.Olestra c.Micelle d.Aspirin e.Lecithin f.Corn oil g.Olive oil h.Sardines i.Pancreas j.Canola oil k.Acetic acid l.Stearic acid m.Cholesterol n.Potato chips o.Tropical oils p.Chylomicron q.Linolenic acid r.Cholecystokinin s.High-density lipoprotein t.Very-low density lipoprotein -Structure assisting absorption of long-chain fats

What methods are used by the food industry to inhibit rancidity of the unsaturated lipids in foods?

A food that represents a visible fat would be which of the following?

MATCHING a.Liver b.Olestra c.Micelle d.Aspirin e.Lecithin f.Corn oil g.Olive oil h.Sardines i.Pancreas j.Canola oil k.Acetic acid l.Stearic acid m.Cholesterol n.Potato chips o.Tropical oils p.Chylomicron q.Linolenic acid r.Cholecystokinin s.High-density lipoprotein t.Very-low density lipoprotein -A long-chain saturated fatty acid

Which of the following best describes the lipid content of livestock?

While shopping at the supermarket, you overhear a man say that, because he was diagnosed with a mild case of atherosclerosis, he intends to become a vegan so as to eliminate all cholesterol from his diet and his body. Discuss the validity of his rationale.

MATCHING a.Liver b.Olestra c.Micelle d.Aspirin e.Lecithin f.Corn oil g.Olive oil h.Sardines i.Pancreas j.Canola oil k.Acetic acid l.Stearic acid m.Cholesterol n.Potato chips o.Tropical oils p.Chylomicron q.Linolenic acid r.Cholecystokinin s.High-density lipoprotein t.Very-low density lipoprotein -A source of medium-chain saturated fatty acids

A meal providing 1200 kcalories contains 10 g of saturated fats, 14 g of monounsaturated fats, and 20 g of polyunsaturated fats. What is the percentage of energy supplied by the lipids?