The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 35-year-old male farmer presents with multiple discharging cervical sinuses. Which of these stains will be useful for the diagnosis? Where does this organism normally colonise in the body?   (A) Grocott Methenamine silver, skin   (B) PAS, intestine   (C) AFB, mouth   (D) Gram-stain, oropharynx
['(C) AFB, mouth <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Grocott Methenamine silver, skin \n (B) PAS, intestine \n (C) AFB, mouth \n (D) Gram-stain, oropharynx <> possible answers', '  A 35-year-old male farmer presents with multiple discharging cervical sinuses. Which of these stains will be useful for the diagnosis? Where does this organism normally colonise in the body? <> context@']