Chapter 5 Concept Checks

Question 1

Juan’s doctor wants him to consume more omega-3 polyunsaturated fatty acids. Which food should he eat?
a. Canola oil
b. Walnut oil
c. Coconut oil
d. Flaxseed oil

Answer 1

d. Flaxseed oil

Question 2

Which trait makes phospholipids useful to food manufacturers?
a. Crispness
b. Sweetness
c. Thickening
d. Emulsification

Answer 2

d. Emulsification

Question 3

Which digestive enzyme is released from the salivary gland and plays an active role in fat digestion in infants?
a. Protease
b. Peptidase
c. Lingual lipase
d. Salivary amylase

Answer 3

c. Lingual lipase

Question 4

Which symptom might someone with anorexia nervosa develop as a result of fatty acid deficiency?
a. Skin lesions
b. Osteoporosis
c. Dizziness or fainting
d. Irregular heart rhythm

Answer 4

a. Skin lesions

Question 5

Which is appropriate according to the DRI and Dietary Guidelines for someone on a 1600-calorie diet?
a. 53 grams of total fat
b. 27 grams of total fat
c. 27 grams of saturated fat
d. 10 grams of trans-fat

Answer 5

a. 53 grams of total fat

Question 6

Which statement is true of omega-3 fatty acid supplements?
a. All adults should take omega-3 fatty acid supplements.
b. Omega-3 fatty acid supplements will improve immune function.
c. Omega-3 fatty acid supplements reduces LDL-cholesterol levels.
d. Omega-3 fatty acid supplements can cause excessive bleeding.

Answer 6

d. Omega-3 fatty acid supplements can cause excessive bleeding.