Understanding Nutrition Midterm Quiz & Answer Key Essays

Words: 1903
Pages: 8

Text: Understanding Nutrition: 9th, 10th, 11th, or 12th ed. Whitney/Rolfes.

Course Description and Content: Incorporates principles of human nutrition, essential nutrients, nutritional needs of different age groups, and nutrition research. Focuses on the relationship between nutrition, physical fitness, lifestyle, and health, with supporting emphases on consumer awareness, evaluation of nutrition information, eating disorders, and the importance of a balanced, varied diet.

Course Learning Objectives: In Nutrition, we explore the ever-evolving science of nutrition. Human nutrition is influenced by endogenous and exogenous factors. We will discuss related topics such as stress, environment, food processing, digestion, safety, and
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fiber content is higher
c. vitamin B12 is higher
d. vitamins A and C are found in liberal quantities

27) Lipids differ in their degree of saturation or unsaturation due to their number of
a. amino acids
b. double bonds
c. saccharide units
d. peptide linkages

28) Which of the following is a common dietary saturated fatty acid?
a. oleic acid
b. stearic acid
c. linolenic acid
d. arachidonic acid

29) Which of the following chemical characteristics of fatty acids determines their susceptibility to spoilage by oxygen?
a. chain length
b. number of double bonds
c. position of first unsaturated bond
d. size of adjacent fatty acids on the triglyceride molecule

30) What is the most common polyunsaturated fatty acid in foods?
a. oleic acid
b. stearic acid
c. linoleic acid
d. linolenic acid

31) How is soluble fiber in the diet thought to help lower blood cholesterol levels?
a. it denatures cholesterol in the stomach
b. it hydrolyzes cholesterol in the intestinal tract
c. it traps dietary cholesterol in the intestinal tract
d. it promotes excretion of bile

32) What lipoprotein is responsible for transporting cholesterol back to the liver from the periphery?
a. ADL
b. LDL
c. HDL

33) Which of the following lipids is an essential nutrient?
a. lecithin
b. cholesterol
c. stearic acid
d. linoleic acid

34) Which of the following is an omega-3 fatty acid?
a. acetic acid
b. palmitic acid
c. linoleic acid