A 3-Month-Old Infant Is Found to Have Fasting Hypoglycemia

Multiple Choice

A 3-month-old infant is found to have fasting hypoglycemia.In order to test for possible enzyme deficiencies, you conduct a liver biopsy and test for several metabolic enzymes.Fasting hypoglycemia can be caused by deficiencies of all the following enzymes except:

A) Glucose-6-phosphatase.
B) Glucose-6-phosphate dehydrogenase.
C) Glycogen phosphorylase.
D) Phosphorylase kinase.
E) Fructose-1,6-bisphosphatase.