This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'When the patient fails to understand normal speech but can understand shouted or amplified speech the hearing loss is termed as \nSelect and explain. \nA. Mild hearing loss, B. Moderate hearing loss, C. Severe hearing loss, D. Profound hearing loss', 'role': 'user'}, {'content': 'Answer: C \nExplanation: DEGREES OF HEARING LOSS 0-25dB-Not significant impairment- no significant difficulty with faint speech 26-40dB-Mild impairment-Difficult with faint speech 41-55dB-Moderate impairment -Frequently difficult with normal speech 56-70dB-Moderately severe impairment-Frequently difficult with loud sound 71-91dB-Severe impairment-Can understand only shouted or amplified sound Above 91-Profound impairment-Usually cannot understand even amplified sound Ref: Diseases of EAR, NOSE AND THROAT by PL DHINGRA - 6th Edition. Page no. 39', 'role': 'assistant'}]