Q1: While caring for a patient with a pulmonary artery catheter, the nurse notes the pulmonary artery pressure to be significantly higher than previously recorded values. The nurse assesses respirations to be unlabored at 16 breaths/min, oxygen saturation of 98% on 3 L of oxygen via nasal cannula, and lungs clear to auscultation bilaterally. What is the priority nursing action?

Q2: The main purpose of critical care certification is to

Q3: The nurse is caring for a patient with a left subclavian central venous catheter (CVC) and a left radial arterial line. Which assessment finding by the nurse requires immediate action?

Q4: A patient is having a cardiac evaluation to assess for possible heart failure and valvular disease. Which study best identifies heart function and measures the size of the cardiac chambers?

Q5: The nurse has received the laboratory results for a patient who developed chest pain 4 hours ago and may be having a myocardial infarction. Which laboratory test result should be most helpful in indicating myocardial infarction?