NBC-HIS EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

NBC-HIS EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Monomeric Spots - Answer -looks somewhat like a hole. The membrane of the eardrum is one layer in thickness after a hole has healed. Cholesteatoma - Answer -is an abnormal, noncancerous skin growth that can develop in the middle section of your ear, behind the eardrum. It may be a birth defect, but it's most commonly caused by repeated middle ear infections Tympanosclerosis - Answer -is the medical term for scarring of the ear drum. Scarring occurs after the ear drum is injured or after surgery. Commonly a small white area can be seen after a person has had middle ear ventilation tubes. middle ear - Answer -provides the mechanical link with 3 small bones and 2 muscles. acts as transducer middle ear bones - Answer -hammer (malleus) anvil (incus) stirrup (stapes)otitis media - Answer -infection in middle ear. may be caused from cold or respiratory infection. Eustachian tube doesn't drain properly. TM may appears to be bright red Middle Ear Effusion - Answer -buildup of fluid behind the eardrum. may see visible bubbles barotrauma - Answer -extreme pressure change in middle ear during flying or diving. may see fluid line or bubbles otosclerosis - Answer -disease that causes spongy bone growth around the stapes and oval window. as a results the footplate of stapes become fixed and cause hearing loss with tinnitus. higher in WOMEN over 35 in Caucasians. tends to run in families and pregnancy's can trigger onset of otosclerosis.