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: ENT
[{'content': 'Mucormycosis of paranasal sinus is most common in \nSelect and explain. \nA. HIV, B. Diabetes, C. Those on immuno suppressants, D. Post surgical', 'role': 'user'}, {'content': "Answer: B \nExplanation: MUCORMYCOSIS: Caused by - rhizopus , rhizomucor , cunninghamella Moulds with non septate hyphae The higher prevalence of mucormycosis in India turned out to be statistically significant (p < 0.0001) in comparison with all other countries Predisposing factors - Organ transplant recipients - Long term desferroxamine therapy - Immunosuppression due to steroids or cytotoxic drugs Hematological malignancy - Diabetics - Chronic renal failure Five forms Rhinocerebral (most common site) Pulmonary mucormycosis (2' most common) Cutaneous Gastrointestinal Disseminated Diagnosis: Microscopy and biopsy show organisms that appears as broad ribbon like usually non septate hyphae which branch at right angles", 'role': 'assistant'}]