A Patient Who Is Status Post-Abdominal Aortic Aneurysm Repair Will

A patient who is status post-abdominal aortic aneurysm repair will be at high risk for pulmonary complications.Which of the following interventions would BEST address pulmonary risk?

A) Encourage the patient to walk in the hall.
B) Encourage the patient to rest with the head of the bed elevated to 45 degrees.
C) Encourage the patient to cough,huff,or deep breathe while splinting with a pillow.
D) Encourage the patient to perform low-intensity arm and leg resistance exercise in bed.