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Tests For Hearing

Question
15 out of 41
 

One man had 30 dB deafness in left ear with Weber test showing more sound in left ear and Be (Bone conduction] more on left side and normal hearing in right ear, his test can be summarized as:



A Weber's test--Ieft lateralized; Rinne test--right positive, BC>AC on left side

B Weber's test--right lateralized; Rinne test--Ieft positive, AC>BC on right side

C Weber's test--Ieft lateralized; Rinne test--false positive on right side, BC>AC on left side

D Weber's left lateralized; Rinne test--equivocal, BC>AC on right side

Ans. A Weber's tesf -left lateralized ; Rinne's right positive; BC > AC on left side

Let us analyze each information provided in the question.

This man has deafness of 30 dB in left ear.

Weber's test is lateralized to left ear Le. deaf ear which means deafness is conductive type. (As in conductive deafness

- Weber's test is lateralized to poorer ear).

This means Rinne test should be negative on left side (as in conductive deafness - Rinne test is negative). Ruling out

options "b" and "d";

In the question it is given hearing is normal on right side, so Rinne test will be positive on right side (because in case of normal hearing - Rinne test is positive).

In the question itself it is given, bone conduction is more on left side.

So option "0" is correct .:

Weber's test - left lateralized, Rinne test - right positive and BC>AC on left side.

Tests For Hearing Flashcard List

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