Exam 2: Oxygenation (NCLEX)QUESTIONS AND ANSWERS

An RN from the orthopedic unit has been floated to the medical unit. Which client assignment for the floated RN is best? A. The client with a resolving pulmonary embolus who is receiving oxygen at 6 L/min through a nasal cannula B. The client with chronic lung disease who is being evaluated for possible home oxygen use C. The client with a newly placed tracheostomy who is receiving oxygen through a tracheostomy collar D. The client with chronic bronchitis who is receiving oxygen at 60% through a Venturi mask – Orthopedic nurses are familiar with pulmonary emboli and with administration of oxygen through nasal cannulas. -Which value indicates clinical hypoxemia and the need to increase oxygen delivery? A. Hemoglobin of 22 g/dL B. PaCO2 of 30 mm Hg C. PaO2 of 65 mm Hg D. Oxygen saturation of 88% PaO2 of 65 mm Hg indicates low levels of oxygen in the arterial blood; this is termed hypoxemia. -A client with COPD has a physician's prescription stating, "Adjust oxygen to SpO2 at 90% to 92%." Which nursing action can be delegated to a nursing assistant working under the supervision of an RN? A. Adjust the position of the oxygen tubing B. Assess for signs and symptoms of hypoventilation C. Change the O2 flow rate to keep SpO2 as prescribed D. Choose which O2 delivery device should be used for the client The scope of a nursing assistant's work includes positioning of oxygen tubing for client comfort. -A client who smokes is being discharged home on oxygen. The client states, "My lungs are already damaged, so I'm not going to quit smoking." What is the discharge nurse's best response? A. "You can quit when you are ready." B. "It's never too late to quit." C. "Just turn off your oxygen when you smoke." D. "You are right, the damage has been done. But let's talk about why smoking around oxygen is dangerous." This is a great opening for the nurse to educate the client about the dangers of smoking in the presence of oxygen, as well as the benefits of quitting.