On the two following statements which is/are true about the metabolic states of the body? I. During prolonged starvation, the heart relies on ketone bodies as fuel. II. Insulin is secreted in response to low blood glucose levels during starved state
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On the two following statements which is/are true about the
I. During prolonged starvation, the heart relies on
II. Insulin is secreted in response to low blood glucose levels during starved state
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- Basal metabolic rate is a measure of ______. a. the total amount of calories you burn in 24 hours b. the amount of food energy needed to sustain basic body operations c. the amount of energy burned by skeletal muscle in a given period d. both a and bIn a state of starvation, several changes happen within our bodies. Discuss these metabolic changes?Experienced runners know that it is poor practice to ingest large amounts of glucose immediately before running a marathon. What is the metabolic basis for this apparent paradox?
- please explain in 5-8 sentences 1. Carnitine has been "sold" as a fat burner supplement. Explain WHY someone might use this information based on fat metabolism. Why is this information incorrect?The typical human adult uses about 160 g of glucose per day, 120 g of which is used by the brain. The available reserve of glucose (~20 g of circulating glucose and ~190 g of glycogen) is adequate to sustain the individual for about one day. After the reserve has been depleted during starvation, how would the body obtain more glucose?All the following statements about ketone bodies are true except a. They are synthesized in mitochondria b. They can lower the pH of the blood c. Their synthesis increases in diabetes mellitus d. They can be oxidized in the liver
- Metabolism can be defined as theHigh concentrations of ethanol, such as those in the blood after binge drinking, can lead to metabolic distress, coma and death especially in those with depleted glycogen stores. Ethanol metabolism involves the production of NADH in the liver. Explain (briefly) the metabolic basis for the symptoms and why issues in the liver affect the brain.As a result of complete fasting for 3 days, a significant change in metabolism occurs. How will the level of fatty acids in the blood change? What hormone causes these changes? Justify your answer schematically.
- Andrea was in danger of developing metabolic syndrome. She went on a diet and checked her urine for ketone bodies to see if she was breaking down fat.What are the symptoms and dangers of metabolic syndrome?What are ketone bodies, and how are they produced?Would a metabolic rational for a child who has a similar diet to other children but after infections or vigorous exercise has low blood glucose levels and increased lactic acid in the blood along with potential lethargy, shakiness and irritability be type 1 diabetes? Noting that an effective treatment for them is alanine supplementation in the diet.A well-trained athlete is found to have a moderately increased plasma total cholesterol concentration. What additional measurements would you advise this person to take in order to gain a better understanding of the importance of the increased cholesterol? Hint: Think about the forms in which cholesterol exists in the blood.
