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
All of the following are the reasons responsible for ketosis in a patient of Von Gierke's disease? 
Select and explain. 
A. They have hypoglycemia, B. Have low blood sugar levels, C. Oxaloacetate is required for gluconeogenesis, D. Low fat mobilization
D: Low fat mobilization
Answer: D: Low fat mobilization 
Explanation: Answer- D. Low fat mobilizationExcessive fatty acid mobilization (not the Low fat mobilization) from adipose tissues leads to ketosis in Von-Gierke's disease.Type I glycogen storage disorder, inherited as autosomal recessive, due to the deficiency of glucose-6 phosphatase.Excessive fatty acid mobilization from adipose tissues leads to ketosis.Deficiency of glucose-6 phosphatase leads to low blood sugar and hypoglycemic attacks.