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What is the normal value range for RBC in females?

  1. 3.5-5.0 x 10-6/mm3

  2. 4.0-5.2 x 10-6/mm3

  3. 4.2-5.4 x 10-6/mm3

  4. 4.8-6.0 x 10-6/mm3

The correct answer is: 4.2-5.4 x 10-6/mm3

The normal range for red blood cells (RBC) in females is typically established based on physiological and biological factors, including hormone levels and overall health. The value range of 4.2 to 5.4 x 10-6/mm3 aligns well with standard laboratory references for female RBC counts. This range indicates a healthy level of RBC, which is crucial for maintaining adequate oxygen transport in the bloodstream. Understanding this range is important in clinical settings, as deviations can suggest issues such as anemia or other hematological disorders. While variations can exist based on laboratory standards and populations, the range selected is commonly regarded as normal in most medical references for females. The other options fall outside this typical range, indicating potential misalignments with established medical literature or variances that would not be considered standard for healthy adult females.