What is the upper intake level of iron, established for the United States?
a. 15 mg/day
b. 25 mg/day
c. 35 mg/day
d. 45 mg/day
e. 55 mg/day
d
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All of the following are examples of a mineral serving as a cofactor EXCEPT:
a. iron is needed for hemoglobin's function in oxygen and carbon dioxide transport. b. magnesium activates over 300 enzymes involved in the formation of energy and proteins. c. beta-carotene serves as a precursor to the formation of vitamin A. d. zinc is needed to activate or is a component of over 200 enzymes.
Which eating disorder is characterized by eating much more rapidly than normal and eating until feeling uncomfortably full, without compensatory behaviors?
a. Bulimia nervosa b. Binge-eating disorder c. Anorexia nervosa d. Eating disorders not otherwise specified
Which of the following activities is generally considered a light aerobic activity?
A. Walking 3-4 mph B. Recreational singles tennis C. Golfing with cart D. Competitive badminton E. All of these activities are considered light aerobic exercise.
Answer the following questions true (T) or false (F)
1. Ghrelin and peptide YY communicate with the brain to help you decide when to eat and when to stop eating. 2. The enteric nervous system is a network of nerves embedded in the wall of the GI tract. It functions both autonomously and in collaboration with the central nervous system and other nervous system branches to achieve GI functions. 3. Water-soluble and fat-soluble nutrients are transported from the lymph capillaries through the lymphatic vessels and eventually arrive at the thoracic duct.