While in college, Ray gained several pounds of body fat. He wants to use the recommendations of the 2015-2020 Dietary Guidelines for Americans to achieve a healthy body weight. According to these guidelines, he should
A. reduce the time he spends being physically inactive.
B. increase his iron intake while decreasing his vitamin D intake.
C. include 15 minutes of stretching, before and after his workouts.
D. eat grapefruit and other foods that increase the metabolic rate.
Answer: A
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Which of the following is a vitamin that can be synthesized from the amino acid tryptophan?
A) niacin B) phenylalanine C) ascorbic acid D) cobalamin
When stored body fat is unable to be burned correctly due to a lack of glucose, ________ build up in the bloodstream
A. red blood cells B. ketone bodies C. proteins D. fat cells
Protein is necessary to form antibodies that act to:
a. provoke antigen production. b. strengthen the immune system. c. maintain integrity of blood clotting system. d. keep enzymes from attacking cells of the body.
Which of the following combinations of plant foods will provide ample amounts of all nine essential amino acids?
A. Garbanzo beans and kale B. Wheat bread with sesame seeds C. Black beans and rice D. Three bean salad