Which of the following athletes, who all weigh the same, is likely to expend the most amount of energy during 2 hours of competition?
a) A soccer goalie
b) A football place kicker
c) A baseball catcher
d) All of these are correct.
Answer is d) All of these are correct. (They all use almost same amount of energy.)
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The prime biological factor involved in food spoilage is microorganisms that include all of the following except
A. viruses. B. bacteria. C. yeasts. D. molds.
Women who begin pregnancy underweight have an increased risk for ________.
A. high blood pressure B. gestational diabetes C. poor nutrient stores D. ketosis
Gerald has restricted his calorie intake while continuing to exercise, and has been losing 1.5 pounds per week. However, when he weighs himself at the end of week 4, he notices he has not lost any weight since last week. What does this likely mean? a. Gerald's internal thermostat has slowed down his metabolism to prevent fat loss. b. Gerald is eating in his sleep at night as a response to
deprivation. c. Gerald's body is retaining water temporarily as part of the fat-burning process. d. Gerald needs to reduce his calorie intake by an additional 500 calories a day. e. Gerald needs to increase his calories a small amount to prevent ketosis.
Which of the following neurotransmitters exerts an inhibitory effect on gastrointestinal motility?
a. Cholecystokinin b. Neuropeptide Y c. Somatostatin d. Serotonin