The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Cephalosporins have all of the following interactions & uses, except:   (A) Show cross sensitivity with penicillins   (B) Are penicillinase resistant   (C) Have a broad spectrum but are inactive against anaerobes   (D) Are used in upper respiratory tract infections
['(B) Are penicillinase resistant <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Show cross sensitivity with penicillins \n (B) Are penicillinase resistant \n (C) Have a broad spectrum but are inactive against anaerobes \n (D) Are used in upper respiratory tract infections <> possible answers', '  Cephalosporins have all of the following interactions & uses, except: <> context@']