ETS Praxis Audiology Practice Test | Questions with 100% Correct Answers | Updated & Verified| 72 Pages
Which of the following is true of the occlusion effect observed during pure tone audiometry? A.It results in artificially poorer thresholds at all frequencies. B.It can affect the measurement of air-conduction thresholds at low frequencies. C.It can affect the measurement of air-conduction thresholds at high frequencies. D.It can affect the measurement of bone-conduction thresholds at low frequencies. E.It can affect the measurement of bone-conduction thresholds at high frequencies. - Correct Answer: D Option (D) is correct.The occlusion effect is the sensation of increased loudness of lowfrequency sounds transmitted through bone conduction when the outer ear is blocked. In cases of conductive hearing loss, the greater the degree of hearing loss, the louder these sounds are likely to be perceived, so measurement of the bone-conduction threshold at low frequencies is affected The caloric test is designed to stimulate which of the following structures? A.The utricle B.The saccule C.The superior semicircular canal D.The posterior semicircular canal E.The lateral semicircular canal - Correct Answer: E
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