Mr. Johnson is overweight and admits that he rarely gets any exercise. He smokes, even though the physician warned him to stop smoking after he had a myocardial infarction four years ago. He is in the office today complaining that he just doesn't feel well. He is experiencing nausea and is a little dizzy. You notice that his feet ankles seem swollen and his neck veins are prominent. For which of the following conditions might you expect the physician to test? 

A. Endocarditis
B. Hypertension
C. Mitral valve prolapse
D. Congestive heart failure
E. Acute myocardial infarction

D. Congestive heart failure
Signs and symptoms of CHF include prominent neck veins, fluid retention that causes swelling in the feet and legs, nausea, and dizziness, among others. Risk factors for CHF include a history of MI, lack of exercise, smoking, and being overweight.