A Nurse Is Emptying an Orthopedic Surgery Patients Closed Suction $1.5 \mathrm{~cm}$

A nurse is emptying an orthopedic surgery patients closed suction drainage at the end of a shift. The nurse notes that the volume is within expected parameters but that the drainage has a foul odor. What is the nurses best action?

A) Aspirate a small amount of drainage for culturing.
B) Advance the drain 1 to $1.5 \mathrm{~cm}$ .
C) Irrigate the drain with normal saline.
D) Inform the surgeon of this finding.