The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Compared with autoclave, use of a dry heat oven for sterilization has the following disadvantage:   (A) Time-consuming   (B) Less effective   (C) Causes instruments to rust   (D) Causes sharp instruments to dull
['(A) Time-consuming <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Time-consuming \n (B) Less effective \n (C) Causes instruments to rust \n (D) Causes sharp instruments to dull <> possible answers', '  Compared with autoclave, use of a dry heat oven for sterilization has the following disadvantage: <> context@']