This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Which among the following is not a cause of fasting hypoglycemia? \nSelect and explain. \nA. Glucagon excess, B. Glucose 6 phospatase deficiency, C. Uremia, D. Glycogen synthase deficiency', 'role': 'user'}, {'content': "Answer: A \nExplanation: A i.e. Glucagon excessGlucagon lit hyperglycemia as it inhibits glycolysis and stimulates gluconeogenesis.Glucose 6 phosphatase deficiency (Type Ia/Von Gierke's disease), glycogen synthase deficiency (Type 0 glycogen storage diseae), liver & muscle debranching enzyme deficiency (limit dextrinosis), liver & muscle phosphorylase deficiency and liver phosphorylase kinase deficiency - cause fasting hypoglycemia.Hypoglycemia in uremia suggest multiorgan involvement.", 'role': 'assistant'}]