Answer:USMLE step 2 Mcq 150:A 27 year old female has a routine pre-employment blood test

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Correct Answer: C

Explanation:
The mean corpuscular volume (MCV) is one of the indexes used when looking at red blood cells. The MCV is a measure of the size of the average red blood cell. The average MCV is 80-100fl. The MCV is decreased in chronic iron deficiency, as well as anemia of chronic disease, and thalassemia minor. The MCV is increased in all of the other conditions listed


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