Which of These Techniques Best Describes the Test the Nurse

Which of these techniques best describes the test the nurse should use to assess the function of cranial nerve X?

A) Observe the patient's ability to articulate specific words.
B) Assess movement of the hard palate and uvula with the gag reflex.
C) Have the patient stick out the tongue and observe for tremors or pulling to one side.
D) Ask the patient to say "ahhh" and watch for movement of the soft palate and uvula.