GED Science Practice

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What medical condition is characterized by a lack of a normal number of red blood cells?

a. Positive electrode of an electrolytic cell
b. Lack of a normal number of red blood cells
c. A type of Protozoan that has no permanent shape
d. Having no definite form or distinct shape

The correct answer is: b. Lack of a normal number of red blood cells

The medical condition characterized by a lack of a normal number of red blood cells is known as anemia. Anemia occurs when there are insufficient red blood cells to transport adequate oxygen throughout the body, which can lead to symptoms such as fatigue, weakness, and pale skin. Understanding this condition is crucial, as it can stem from various causes, including nutritional deficiencies, chronic diseases, or bone marrow disorders. The other options do not pertain to medical conditions related to blood cells. The mention of an electrolytic cell and descriptions regarding protozoans and shapelessness are unrelated to the definition or implications of anemia. Therefore, focusing on the correct understanding of a normal number of red blood cells and its importance in overall health is essential for recognizing the significance of this condition.