The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis   (A) Polychrome Methylene blue   (B) Carbol Fuschin   (C) Acid Fast Stain   (D) Calcoflour White
['(A) Polychrome Methylene blue <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Polychrome Methylene blue \n (B) Carbol Fuschin \n (C) Acid Fast Stain \n (D) Calcoflour White <> possible answers', '  A person working in an abattoir presented with a papule on hand, which turned in to an ulcer. Which will best help in diagnosis <> context@']