On an audiogram, which symbol denotes left-sided bone conduction?

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Multiple Choice

On an audiogram, which symbol denotes left-sided bone conduction?

Explanation:
In audiograms, symbols are used to show both which ear and which type of conduction is tested. Bone conduction reflects inner-ear function, and the plotting system assigns a distinct symbol to left versus right for that pathway. The symbol that looks like a closing bracket denotes left-sided bone conduction. The other mappings you’ll see are that the circle O represents right-ear air conduction, the X represents left-ear air conduction, and the opening bracket symbol represents right-sided bone conduction. So the closing-bracket symbol is the marker for left-sided bone conduction.

In audiograms, symbols are used to show both which ear and which type of conduction is tested. Bone conduction reflects inner-ear function, and the plotting system assigns a distinct symbol to left versus right for that pathway. The symbol that looks like a closing bracket denotes left-sided bone conduction. The other mappings you’ll see are that the circle O represents right-ear air conduction, the X represents left-ear air conduction, and the opening bracket symbol represents right-sided bone conduction. So the closing-bracket symbol is the marker for left-sided bone conduction.

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