The following are multiple choice questions (with answers) about medical knowledge.   **Question:** According to the WHO definition of hearing loss, what is the value to classify as profound hearing loss?   (A) 61-71 dB   (B) >81 dB   (C) >91 dB   (D) >101 dB
['(B) >81 dB <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 61-71 dB \n (B) >81 dB \n (C) >91 dB \n (D) >101 dB <> possible answers', '  According to the WHO definition of hearing loss, what is the value to classify as profound hearing loss? <> context@']