Recall the testing of the glossopharyngeal nerve

Question 1

Describe how to test the function of the glossopharyngeal nerve - no need to demonstrate

Answer 1

• You would have to ask the patient to open their mouth, warn them of the discomfort, then begin
• Place a tongue depressor at the back of the tongue / throat - this should elicit a gag reflex if the glossopharyngeal nerve is working properly

Question 2

Describe the sensory innervation provided by the glossopharyngeal nerve

Answer 2

• Supplies the oropharynx and posterior 1/3rd of the tongue