For which of the following patients directed coughing might…

For which of the following patients directed coughing might be contraindicated?1. Patient with poor coronary artery perfusion2. Postoperative upper-abdominal surgery patient3. Long-term care patient with retained secretions4. Patient with an acute unstable spinal injury

 A surgeon orders lung expansion therapy for an obtunded 68-…

 A surgeon orders lung expansion therapy for an obtunded 68-year-old, 170-lb man who has developed atelectasis after thoracic surgery. On baseline assessment, the patient cannot perform a deep breath; vital capacity and inspiratory capacity are very low but has no evidence of retained secretions. Which of the following do you recommend? Which one is the best answer?