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
A patient on treatment for leukemia, develops chest pain, pulmonary infiltrates and pleural effusion. The likely cause is - 
Select and explain. 
A. Daunorubicin, B. Hydroxyurea, C. Cytarabine, D. Tretinoin
D: Tretinoin
Answer: D: Tretinoin 
Explanation: Ans. is 'd' i.e., Tretinoin o Tretinoin causes chest pain, pleuritis, pulmonary infiltrates and pleural effusion. It is a known human teratogen. Daunorubicin and doxorubicin cause cardiotoxicity manifested as arrhythmias and CHF.