Part D - The Effect of Intensity and Duration on Glucose and Glycogen The more intense your workout, the more your body relies on carbohydrates to fuel it. Duration and intensity affect the degree to which carbohydrates and fat contribute to overall energy production. Review the following statements on the effect that intensity and duration have on glucose and glycogen use and select all those that apply. Select all that apply. View Available Hint(s) The body cannot store unlimited amounts of glycogen. Lactic acid can be used for energy. Blood glucose and muscle glycogen only contribute about a third of the energy needed to sustain high-intensity exercises. Stored muscle glycogen is not used for energy during low- to moderate-intensity physical activity.
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The body cannot store unlimited glycogen: This statement is true. The body has a limited capacity to store glycogen, primarily in the liver and muscles. Show more…
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Since human beings do not typically consume energy on a continuous basis, the body must be able to store excess energy and then utilize that stored energy when needed. What occurs in the body during a short-term fasting state? Select all that apply: - Gluconeogenesis increases. - Skeletal and cardiac muscles are broken down for fuel. - Liver glycogen is broken down to increase blood glucose. - Decreased immune function may lead to infection. - The body shifts to a catabolic state.
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Your body adapts to periods of feeding and fasting. Match the events with the circumstance relative to the last meal eaten. glucose in the liver and muscle made into glycogen fatty acids converted to triglycerides and stored in adipocytes amino acids converted to glucose by gluconeogenesis pyruvate converted to glucose formation of ketone bodies breakdown of fat breakdown of muscle protein to be converted to glucose 8h after eating 1h after eating prolonged fasting (more than 18h)
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After extended periods of exercise in the fasted state but in the presence of abundant oxygen: Muscle tissues break down protein by proteasomal degradation, directly producing ATP. Muscle tissues break down protein and convert the resulting amino acids to alanine and alpha ketoacids by transamination of pyruvate. Muscle tissues break down protein by receptor-mediated endocytosis, directly producing ATP. Muscle tissues synthesize their own glucose by gluconeogenesis to fuel ATP synthesis. Muscle tissues break down stored glycogen to pyruvate that is then reduced to lactic acid.
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