This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: fungal infection, Subject name: Medicine
[{'content': 'Rhinocerebral Mucormycosis is present with: \nSelect and explain. \nA. Broad spectrum antibiotic use, B. Pregnancy, C. Diabetic ketoacidosis, D. Renal tubular acidosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: - Pt.'s with diabetes or immunocompromised are at risk of invasive Rhinocerebral Mucormycosis - The acidosis causes dissociation of iron from sequestering proteins in serum resulting in enhanced fungal survival & hyperglycemia contributes to risk of mucormycosis through its association with poorly characterised defect in phagocytic function.", 'role': 'assistant'}]