A nurse who works on a pediatric cardiology unit of a hospital is providing care for an infant with a diagnosis of tetralogy of Fallot. Which of the following pathophysiologic results should the nurse anticipate?
A. Blood outflow into the pulmonary circulation is restricted by pulmonic valve stenosis.
B. There is a break in the normal wall between the right and left atria that results in compromised oxygenation.
C. The aortic valve is stenotic, resulting in increased afterload.
D. The right ventricle is atrophic as a consequence of impaired myocardial blood supply.