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Clinical examination

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The clinical examination of the glossopharyngeal nerve involves tests which simultaneously gauge the function of the vagus nerve:

  • test the gag reflex - the glossopharyngeal nerve provides the sensory component, the tenth nerve supplies the motor component; ask if the patient can feel the spatula touching the palate
  • test taste on the posterior third of the tongue - not usually carried out
  • test swallowing

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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