The nurse is caring for a patient who has a chest tube drainage system. Which nursing intervention is most appropriate if the patient experiences continuous hypoxia? Select all that apply.
a. Encouraging the patient to cough
b. Preparing for oropharyngeal suctioning
c. Assessing the fluid status of the patient
d. Ensuring the oxygen-delivery device is free from kinking
e. Obtaining an prescription from the health care provider to use sterile nasal saline