What is a fundamental characteristic of Primary Anemia?

A fundamental characteristic of Primary Anemia is a decrease in the blood's capacity to transport oxygen. Anemia is defined as a condition characterized by a deficiency in the number or quality of red blood cells or hemoglobin, which directly affects the blood's ability to carry oxygen throughout the body. This reduced oxygen transport can lead to symptoms such as fatigue, weakness, and pallor, as the body struggles to receive adequate oxygen for its metabolic needs.

In this context, options that suggest an increase in red blood cells or an increase in white blood cells, as well as the presence of cancer of white blood cells, do not align with the core definition of Primary Anemia. Anemia is specifically defined by its lack rather than an increase in blood components. Therefore, recognizing that a decrease in the capacity to transport oxygen is the hallmark of this condition emphasizes the importance of understanding how hematological disorders manifest and their implications for overall health.