The Primary Care Nurse Practitioner (NP)is Performing a Physical Examination

The primary care nurse practitioner (NP) is performing a physical examination on a patient who has been taking mesoridazine (Serentil) for several weeks to treat schizophrenia.The patient is exhibiting rhythmic movements of the face and jaw.The NP should be concerned that the patient may:

A) need a higher dose of mesoridazine.
B) need to change to thioridazine (Mellaril) .
C) have developed neuroleptic malignant syndrome.
D) be exhibiting signs of an irreversible adverse effect.