PAEA Surgery End Of Rotation (EOR) Practice Exam

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What is the classification for MCV values between 80 and 100?

Microcytic
Macrocytic
Normocytic
Hypocytic

The correct answer is: Normocytic

The classification of MCV (Mean Corpuscular Volume) values between 80 and 100 femtoliters is categorized as normocytic. MCV is a measure of the average volume of red blood cells, and when the values fall within this range, it indicates that the red blood cells are of normal size. This classification is essential in the evaluation of various types of anemia and other hematological conditions, as it helps differentiate between microcytic (smaller cells) and macrocytic (larger cells) anemias. Understanding the significance of normocytic values is critical, as these values often suggest that the underlying cause of any anemia present might be due to factors such as blood loss or chronic disease rather than issues with red blood cell production or size. Normocytic anemia can occur in situations where there is a reduction in red blood cell mass without an associated change in cell size.