An 80kg (176lbs), 5'9" adult male is orally intubated with an 8.0 MM endotracheal tube and a 12 FR. Catheter. During suctioning, the patient demonstrates sinus tachycardia with frequent PVCs on the EKG monitor. The therapist should do which of the following for future suction attempts?

a) Administer atropine before suctioning
b) Increase suction pressure
c) Shorten suction duration
d) Administer lidocaine before suctioning