The nurse is caring for a 57-year-old woman who is intubated and sedated in the post-anesthesia care unit following a radical hysterectomy. The patient remained stable throughout the 6 hour surgery during which she experienced a 2 L blood loss. The nurse has emptied the patient’s indwelling catheter every hour for the 3 hours the patient has been in the PACU with the following volumes: 54 mL, 23 mL, 12 mL, and 5 mL. Her heart rate is 112 bpm, oxygen saturation is 99%, and blood pressure is 82/54mmHg. The patient received maintenance fluids during the procedure and no blood transfusions. How many liters of isotonic fluid does the nurse anticipate administering to the patient during the postoperative period? Enter your response using a whole number. 

The nurse is caring for the patient with fever, chills, and a cough productive of green sputum. The chest X-ray shows a hazy opacity. The nurse checks the patient's medical history for sensitivity to which medication? 

The nurse is providing education to the patient who is starting warfarin for treatment of a deep vein thrombosis (DVT). Which statements are included in teaching? Select all that apply.