NCLEX Question of the Day – 11.27.16 The critical care nurse is caring for a client with an arterial line (A-line). The nurse can utilize this line for which of the following?*1. Monitoring blood pressure and heart rate, and infusing medications2. Monitoring blood pressure and heart rate, and obtaining blood gases and other laboratory samples3. Monitoring heart rate, obtaining blood gases and other laboratory samples, and infusing medications4. Obtaining blood gases and other laboratory samples, and infusing medications