The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Main disadvantage of dry heat used for sterilization is that:   (A) It is time consuming   (B) Rusts the instruments   (C) Dulls the sharp instruments   (D) Ineffective sterilization
['(A) It is time consuming <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) It is time consuming \n (B) Rusts the instruments \n (C) Dulls the sharp instruments \n (D) Ineffective sterilization <> possible answers', '  Main disadvantage of dry heat used for sterilization is that: <> context@']