Your patient recently had a viral infection and now she cannot move the muscles on the right side of her face. In addition, she is experiencing a loss of taste and dry mouth and she cannot close her right eye. Which cranial nerves have been affected by the viral infection?
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The responsible for the loss of taste is the facial (Cranial Nerve VII) anterior 2/3 of the tongue, glossopharyngeal (Cranial Nerve IX) posterior 1/3 of the tongue and vagus (Cranial Nerve X) from the epiglottis.
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The one responsible for the inability to close the right eye is oculomotor (Cranial Nerve III) and facial (Cranial Nerve VII)
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The facial (Cranial Nerve VII) is responsible for the inability to move the face muscles.
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For the dryness of the mouth, the one responsible is the facial (Cranial Nerve VII) and glossopharyngeal (Cranial Nerve IX).