The Nurse Is Assessing a Patient Who Underwent Cardiac Surgery

The nurse is assessing a patient who underwent cardiac surgery. Which finding warrants a phone call to the HCP?

A) The nurse notes 80 mL of drainage in the chest tube collection chamber.
B) The patient reports level 4 and dull incision pain.
C) The nurse notes 240 mL of clear yellow urine after 2 hours.
D) The patient has a cough producing yellow-green sputum.