COHN Clinician questions with correct answers

One of the problems with the old method of using cotton earplugs was the cerumen. Cerumen is also detrimental to some of the modern earplugs. What is cerumen? A. Ear canal hair cells B. Earwax. C. Fluids secreted by the cochlea D. Secretions of the hypothalamus CORRECT ANSWER B The cochlea is essentially a coiled tube. At one end of the tube is the oval window. The function of the oval window is to: A. receive the vibrations from the eardrum. B. shield the semicircular canals from interference. C. protect the auditory canal. D. receive neural input from the auditory nerve. CORRECT ANSWER A The correct term for hearing loss induced by occupational exposure to noise is: A. presbycusis. B. sociocusis. C. sensorineural loss. D. conductive loss. CORRECT ANSWER C The main part of the body involved in maintaining the body's heat balance is the: A. skin. B. heart.