A Patient Receiving Risperidone (Risperdal) Reports Severe Muscle Stiffness at 1030

A patient receiving risperidone (Risperdal) reports severe muscle stiffness at 1030. By 1200, the patient has difficulty swallowing and is drooling. By 1600, vital signs are 38.6°C; pulse 110; respirations 26; and blood pressure 150/90. The patient is diaphoretic. Select the nurse's best analysis and action.

A) Agranulocytosis; institute reverse isolation.
B) Tardive dyskinesia; withhold the next dose of medication.
C) Cholestatic jaundice; begin a high-protein, high-cholesterol diet.
D) Neuroleptic malignant syndrome; notify health care provider stat.