1. A client who underwent surgery 12 hours ago has difficulty breathing. The client has petechiae over their chest and complains of acute chest pain. What action should the nurse take first?: Answer Initiate oxygen therapy. 2. A client recovering from a pulmonary embolism is receiving warfarin.To counteract a warfarin overdose, the nurse should administer: Answer vitamin K1 (phytonadione). 3. The nurse is caring for a client who has been diagnosed with deep vein thrombosis. When assessing the client's vitalsigns, the nurse notes an apical pulse of 150 bpm, a respiratory rate of 46 breaths/minute, and blood pressure of 100/60 mm Hg.The client appears anxious and restless.Whatshould be the nurse's first course of action?: Answer Call the rapid response team. 4. A client hospitalized for treatment of a pulmonary embolism develops res- piratory alkalosis. Which clinical findings commonly accompany respiratory alkalosis?: Answer light-headedness or paresthesia 5. A client who has just had a triple-lumen catheter placed in their right subclavian vein complains of chest pain and shortness of breath.The client's blood pressure is decreased from baseline and, on auscultation of the chest, the nurse notes unequal breath sounds. A chest X-ray is immediately ordered by the physician.What diagnosis should the nurse suspect?: Answer Pneumothorax 6. A client with a recent diagnosis of deep vein thrombosis (DVT) has sudden-onset shortness o