Supplementation with some amino acids has been theorized to decrease the formation of serotonin in the brain and possibly help delay the onset of central nervous system fatigue in prolonged aerobic endurance exercise. Which amino acids are theorized to do this?
A. Leucine, isoleucine, and valine
B. Tryptophan, arginine, and creatine
C. Arginine, ornithine, and inosine
D. Asparagine, aspartic acid, and glutamine
E. Inosine, creatine, and alanine
Answer: A
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How is the determination of the physical activity level (PAL) categories beyond sedentary different from the sedentary category?
a. They are based on METs. b. They are based on the pace of walking. c. They are based on the total time spent doing physical activity. d. They are based on types of physical activity.
Answer the following questions based on the case study "Barb" information below. Barb is an organic gardener and bee keeper. She obtains a lot of information on organic gardening and nutrition from the land grant agricultural university in the state in which she lives. She grows a variety of plant foods in her garden including corn, potatoes, peas, peppers, green beans, beets, and squash. Her
garden is usually so productive that she cans some of her produce so that she can eat it during the winter months. Her bees not only do a great job pollinating her garden but also produce a substantial amount of honey each year. ?If Barb decided to expand her garden and sell her food to the general public as organic, which agency would certify her produce as organic? A) FDA B) EPA C) USDA D) NMF E) CDC
Which of the following practices would help a vegan (total vegetarian) increase his or her iron intake from plant foods?
A. Cooking vegetables in a cast iron skillet with tomatoes or lemon juice B. Drinking more milk and avoiding in-between-meal snacks C. Replacing butter with olive oil D. Taking zinc, calcium, and selenium supplements with meals
A weight loss of 2% or more of body weight by dehydration carries some risk of ________.
A. increased body temperature B. decreased performance C. reduced blood volume D. All of these choices are correct.