A Client Had a Total Abdominal Hysterectomy with Bilateral Salpingo-Oophorectomy

A client had a total abdominal hysterectomy with bilateral salpingo-oophorectomy and pelvic lymph node dissection 2 days ago.The nurse finds the client short of breath,tachycardic,and anxious.What intervention takes priority?

A) Assess oxygen saturation and apply oxygen if needed.
B) Have the client cough and deep breathe or use the spirometer.
C) Call respiratory therapy to provide a nebulizer treatment.
D) Prepare to administer furosemide (Lasix) IV push.