A Patient Who Takes a Traditional Antipsychotic Medication Says, "I

A patient who takes a traditional antipsychotic medication says, "I feel shaky and very warm." The patient is diaphoretic. What is the nurse's best first action?

A) Take the patient's vital signs.
B) Position the patient in the semi-Fowler's position.
C) Begin oxygen by nasal cannula at 2 L/min.
D) Place the patient on one-to-one supervision.