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: Pharmacology
[{'content': 'All of the following statements about mycophenolate mofetil are true except : \nSelect and explain. \nA. It is a prodrug, B. Gastrointestinal toxicity is common, C. It is used in transplant recipients where other drugs are not effective, D. It is highly nephrotoxic', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Mycophenolate mofetil is a prodrug, its active metabolite is mycophenolic acid.\nIt is used as an immunosuppressant drug in solid organ transplant patients for refractory rejection and as an alterna\xadtive to cyclosporine /tacrolimus in patients who do not tolerate these drugs.\n\n- Major toxicity is gastrointestinal (nausea, vomiting, diarrhea, abdominal pain). It can also cause hypertension and reversible neutropenia.\n- Unlike cyclosporine and tacrolimus, it does not cause nephrotoxicity.', 'role': 'assistant'}]