During Treatment of a Patient with a Minnesota Balloon Tamponade

During treatment of a patient with a Minnesota balloon tamponade for bleeding esophageal varices,what nursing responsibilities should be included?

A) Encourage the patient to cough and breathe deeply.
B) Insert the tube and verify its position every 4 hours.
C) Monitor the patient for shortness of breath.
D) Deflate the gastric balloon every 8 to 12 hours.