Which laboratory study does the nurse monitor to help evaluate the effectiveness of treatment for polycythemia vera (PV)?

Question

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Hematocrit is a measurement of the percentage of red blood cells in the blood. In individuals with PV, the hematocrit is typically elevated due to an overproduction of red blood cells. Monitoring the hematocrit can help evaluate the effectiveness of treatment, as a decrease in hematocrit indicates a decrease in red blood cell production.

Which Laboratory Study Does the Nurse Monitor to Help Evaluate