Nutrition 546 Exam Questions with Correct Answers

Nutrition 546 Exam Questions with Correct Answers Which of the following equations is used to predict resting metabolic rate best accounts for the higher than normal amount of muscle mass in trained athletes? - Answer-Cunningham The most practical effective and healthful way to increase metabolic rate is to - Answer-Exercise more often What is nutrient density? - Answer-a food possesses a significant amount of specific nutrients per serving relative to its caloric content The current USDA Myplate guide is based on the following food groups - Answer-grains, veggies, fruits, protein, dairy What is the effect on muscle ATP and Creatine phosphate when an athlete preforms very high intensity exercise for a very short period of time? - Answer-ATP declines then plateaus while creatine declines substantially. If Creatine phosphate is nearly depleted in skeletal muscle by high intensity exercise, how it it rephosphorylated? - Answer-from ATP generated aerobically by oxidative phosphorylation. The duration of the anaerobic glycolysis is energy system is approximately - Answer-1-2 minutes Which of the following is true about lactate - Answer-its metabolized back into pyruvate via aerobic metabolism Most important carriers for electrons in oxidation-reduction are: - Answer-NAD and FAD ATP production fastest to slowest - Answer-Creatine Phosphate, Anaerobic glycolysis, Oxidative phosphorylation (carbs), oxidative phosphorylation (fat) Least to greatest based on total capacity for ATP production - Answer-Creatine Phosphate, Anaerobic glycolysis, oxidative phosphorylation (carbs), oxidative phosphorylation (fat) Energy systems named in order from least to greatest based on endurance capacity - Answer-Creatine Phosphate, Anaerobic glycolysis, oxidative phosphorylation (carbs), (fat) The respiratory exchange ratio (RER) is a way of determining the boys metabolism of_______. - Answer-carbohydrates and fat Which of the following is NOT true of Nutrient in the post-absorptive state? - Answer-liver glycogen is broken down to maintain blood glucose concentration