Which of the following is not a characteristic feature of iron deficiency anemia?

• A. Dyspnea on exertion
• B. Pica
• C. Bulbous crowns
• D. Fatigue

Answer: (C)

The presence of bulbous crowns is not a characteristic feature of iron deficiency anemia. Iron deficiency anemia primarily affects the body's ability to produce adequate hemoglobin due to insufficient iron levels. While dyspnea on exertion, pica, and fatigue are commonly experienced symptoms associated with this form of anemia, bulbous crowns specifically refer to a dental feature related to certain congenital conditions or bone dysplasias and are not linked to iron deficiency anemia.

In iron deficiency anemia, patients often experience fatigue due to decreased oxygen delivery to tissues as a result of low hemoglobin levels. Dyspnea on exertion can occur because the body struggles to meet oxygen demands during physical activity. Pica, the craving for non-food substances, can also be a sign of iron deficiency. However, the appearance of bulbous crowns does not connect to these hematologic changes or symptoms.