A nurse assessing a client who has iron deficiency. Which of the following findings should the nurse expect?

A. Goiter is typically associated with iodine deficiency, not iron deficiency. B. Fatigue is a classic symptom of iron deficiency anemia due to decreased oxygen delivery to tissues resulting from low hemoglobin levels. C. Tetany is most commonly related to calcium deficiency or hypoparathyroidism, not iron deficiency. D. Tooth decay is generally linked to poor dental hygiene or excessive sugar intake, not directly to iron deficiency.