One Week After the Onset of a Stroke,a Clinician Examines

question 29

Multiple Choice

One week after the onset of a stroke,a clinician examines a patient's oral cavity,and finds the palate does not elevate upon the phonation of "ah." Why does the examiner then test the gag reflex?

• A)An intact gag reflex means that cranial nerves IX and X are functioning.
• B)The lack of a gag reflex will tell the examiner there is an upper motor neuron lesion.
• C)The absence of a gag reflex will tell the examiner that the patient has both upper and lower motor neuron lesions.
• D)If the gag reflex is intact,the lesion is limited to the lower motor neuron.

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