This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Tafenoquine - anti TB drug has been approved in July 2018 for 
Select and explain. 
A. Radicle cure of P falciparum, B. Radicle cure of P vivax, C. Clinical cure of P falciparum, D. Clinical cure of P vivax
B: Radicle cure of P vivax
Answer: B: Radicle cure of P vivax 
Explanation: orally active 8 amino qinolone. It is a heame polymerase inhibitor. it is a prodrug and is active againist all liver forms includung hypnozoits. Molucular target is not exactly kmown