While Suctioning a Patient with an Endotracheal Tube (ET), the Nurse

While suctioning a patient with an endotracheal tube (ET) , the nurse notes the occurrence of premature ventricular contractions (PVCs) on the patient's cardiac monitor. The most appropriate action by the nurse upon this finding is to

A) lower the suction pressure to 80 mm Hg.
B) ventilate the patient with 100% oxygen with a bag-valve mask.
C) notify the health care provider of the need for antidysrhythmic medications.
D) explain that occasional PVCs are expected.