PT Question of the Week - Cranial nerve testing

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You are administering a series of cranial nerve tests. While testing the hypoglossal nerve, which of the following findings would you expect with a left hypoglossal nerve lesion?

1. Right-sided tongue atrophy and left deviation with tongue protrusion

2. Right-sided tongue atrophy and right deviation with tongue protrusion

3. Left-sided tongue atrophy and left deviation with tongue protrusion

4. Left-sided tongue atrophy and right deviation with tongue protrusion

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