During a Home Visit the Nurse Suspects That a Patient

During a home visit the nurse suspects that a patient with heart failure needs additional teaching. What did the nurse observe to make this decision?

A) The patient lifted an 18-month-old child off the floor.
B) The patient's lunch was a small salad and half a sandwich.
C) The patient drank from a pitcher of water on the coffee table.
D) The patient documented the frequency and amount of walking completed.
E) Working in the kitchen, the patient was obviously sweating and short of breath.