Complex sentence: The clinical tests used to determine if the glossopharyngeal nerve has been damaged include testing the gag reflex of the mouth, asking the patient to swallow or cough, and evaluating for speech impediments.
Split into simpler sentences: The clinical tests to see if the Glossopharyngeal nerve has been damaged includes testing the gag reflex of the mouth. Ask the patient to swallow or cough, and Other signs include speech impediments.