A nurse is admitting a client who has acute heart failure following myocardial infarction (MI). The nurse recognizes that which of the following prescriptions by the provider requires clarification? A. Morphine sulfate 2 mg IV bolus every 2 hr PRN pain B. Laboratory testing of serum potassium upon admission C. 0.9% normal saline IV at 50 mL/hr continuous D. Bumetanide 1 mg IV bolus every 12 h {Ans: C}A nurse is caring for a client 4 hr following a cardiac catheterization. Which of the following actions should the nurse take? A. Have the client lie flat in bed. B. Keep the affected leg slightly flexed. C. Elevate the head of the bed 45°. D. Keep the client NPO for 4 hr. {Ans: A}A nurse is caring for a client who develops a ventricular fibrillation rhythm. The client is unresponsive, pulseless, and apneic. Which of the following actions is the nurse's priority? A. Defibrillation B. Airway management C. Epinephrine administration D. Amiodarone administration {Ans: A}A nurse is planning care for a client who has deep-vein thrombosis (DVT) and is receiving anticoagulation therapy. Which of the following interventions should the nurse include in the plan of care? A. Apply