Problem: A nurse is caring for a client after hip replacement surgery. The client has been receiving iron replacement therapy for two days, and the nurse observes the client's stools appear black, the client is pale and complains of fatigue, heart rate is 98 beats/min, respirations are 20 breath per minute, and the blood pressure is 100/50 mmHg. What would the nurse expect the provider to order?
(a) Abdominal x-ray
(b) Hemoglobin and hematocrit
(c) Stool guaiac
(d) Hypertonic fluid bolus