NTR 301 Exam 3 Guide With
Complete Solution
Which of the following statements is/are CORRECT regarding saturated fatty
acids?
A. They are fatty acids in which no more carbon atoms can be added.
B. When they predominate in a dietary triglyceride they contribute to the
hardness of that triglyceride.
C. They can exist in two different forms: omega-3 and omega-6.
D. A and B are CORRECT.
E. All of the above are CORRECT. - ANSWER B. When they predominate in a
dietary triglyceride they contribute to the hardness of that triglyceride.
Alvin is comparing the nutrition facts label of an old package of cookies with
a label for a newer version of the same product and notices that the trans
fatty acid content went from 4 grams on the old label to 0 grams on the new.
Which of the following statements concerning these cookies is/are CORRECT?
A. The older version was made with an hydrogenated oil.
B. The newer version was made with a type of triglyceride naturally high in
saturated fat.
C. Both A and B are CORRECT. - ANSWER C. Both A and B are CORRECT.
,T/F: Olestra was discovered by accident in 1968 when two Proctor and
Gamble scientists were looking for a type of fat that could be more easily
digested by premature infants. Obviously olestra was not the end of their
quest since it is actually indigestible. - ANSWER True
Which of the following statements concerning olestra is/are CORRECT?
A. Its primary advantage over other fat substitutes is that it is considerably
less expensive.
B. Despite the fact that millions of dollars were spent to get olestra
approved, chips are the only foods it is allowed to be used in.
C. In olestra, the glycerol backbone of a triglyceride has been replaced with
sucrose.
D. B and C are CORRECT
E. All of the above are CORRECT - ANSWER D. B and C are CORRECT
Restaurants like to use hydrogenated oils for frying because:
A. They have a higher saturated fatty acid content.
B. They are less susceptible to attack by oxygen.
C. They have a longer shelf life than regular oils.
, D. A and B
E. All of the above - ANSWER E. All of the above
April is shopping for margarine and notices a product that says it is a good
source of omega-3 fatty acids. Based on this information we can say for sure
that these fatty acids:
A. Are monounsaturated.
B. Are polyunsaturated.
C. Are derived from fish oil.
D. A and C
E. B and C - ANSWER B. Are polyunsaturated.
Ariel is trying to decide between two recipes for salad dressing. She notices
that one of the recipes calls for oil, vinegar, and an egg yolk, along with some
herbs, salt and pepper, while the other one only calls for oil and vinegar,
herbs and salt and pepper. The egg yolk in the first recipe:
A. Is providing lecithin.
B. Will function as an emulsifier
C. Will keep the oil and vinegar from separating
D. B and C
Complete Solution
Which of the following statements is/are CORRECT regarding saturated fatty
acids?
A. They are fatty acids in which no more carbon atoms can be added.
B. When they predominate in a dietary triglyceride they contribute to the
hardness of that triglyceride.
C. They can exist in two different forms: omega-3 and omega-6.
D. A and B are CORRECT.
E. All of the above are CORRECT. - ANSWER B. When they predominate in a
dietary triglyceride they contribute to the hardness of that triglyceride.
Alvin is comparing the nutrition facts label of an old package of cookies with
a label for a newer version of the same product and notices that the trans
fatty acid content went from 4 grams on the old label to 0 grams on the new.
Which of the following statements concerning these cookies is/are CORRECT?
A. The older version was made with an hydrogenated oil.
B. The newer version was made with a type of triglyceride naturally high in
saturated fat.
C. Both A and B are CORRECT. - ANSWER C. Both A and B are CORRECT.
,T/F: Olestra was discovered by accident in 1968 when two Proctor and
Gamble scientists were looking for a type of fat that could be more easily
digested by premature infants. Obviously olestra was not the end of their
quest since it is actually indigestible. - ANSWER True
Which of the following statements concerning olestra is/are CORRECT?
A. Its primary advantage over other fat substitutes is that it is considerably
less expensive.
B. Despite the fact that millions of dollars were spent to get olestra
approved, chips are the only foods it is allowed to be used in.
C. In olestra, the glycerol backbone of a triglyceride has been replaced with
sucrose.
D. B and C are CORRECT
E. All of the above are CORRECT - ANSWER D. B and C are CORRECT
Restaurants like to use hydrogenated oils for frying because:
A. They have a higher saturated fatty acid content.
B. They are less susceptible to attack by oxygen.
C. They have a longer shelf life than regular oils.
, D. A and B
E. All of the above - ANSWER E. All of the above
April is shopping for margarine and notices a product that says it is a good
source of omega-3 fatty acids. Based on this information we can say for sure
that these fatty acids:
A. Are monounsaturated.
B. Are polyunsaturated.
C. Are derived from fish oil.
D. A and C
E. B and C - ANSWER B. Are polyunsaturated.
Ariel is trying to decide between two recipes for salad dressing. She notices
that one of the recipes calls for oil, vinegar, and an egg yolk, along with some
herbs, salt and pepper, while the other one only calls for oil and vinegar,
herbs and salt and pepper. The egg yolk in the first recipe:
A. Is providing lecithin.
B. Will function as an emulsifier
C. Will keep the oil and vinegar from separating
D. B and C
