A 6-month-old infant who was diagnosed at 4 weeks of age with a ventricular septal...

(A) Altered nutrition occurs owing to the fatigue from decreased cardiac output associated with congestive heart failure. (B) The decreased intake occurs due to fatigue from the altered cardiac output. (C) Fatigue occurs due to the decreased cardiac output. (D) The ineffective action of the myocardium leads to inadequate O2 to the tissues, which produces activity intolerance, altered nutrition, and altered growth and development.