The 18-year-old patient presents with pallor, shortness of breath, and bleeding from the gums. Extensive testing is performed and a diagnosis of very severe aplastic anemia is made. Which additional information is most important to direct treatment? 

The patient has not defecated for 24 hours after an appendectomy. The patient’s abdomen is distended and the patient reports nausea. Upon auscultation, the nurse notes absent bowel sounds after 5 minutes of auscultation. Which action does the nurse take first?

The nurse is asked to help treat a patient brought in by ambulance in cardiogenic shock secondary to an acute ST-elevation myocardial infarction. The patient is cyanotic with significant jugular venous distention, peripheral edema, and dyspnea from pulmonary edema. Which of the following treatments would be most appropriate for this patient?