Which of the following marrow elements provides the microenvironment for proliferation and differentiation of hematopoietic cells?

Calculate the MCV of a sample with a hemoglobin concentration of 15.6 g/dL, a hematocrit of 46.7% and a RBC count of 4.20 x10^6/mcL.

In chronic myelocytic leukemia, blood histamine concentrations are frequently elevated. This would likely reflect the:

Intrinsic and extrinsic tenase:

Which of the following defines an intrinsic erythrocyte defect:

What are the degraded fibrin fragments that are measured by the D-dimer test?

All of the following laboratory tests can be used for evaluation of hemolysis EXCEPT:

How would a cell be classified that has a diameter of 9mcm and a MCV of 110 fL?

Which of following can alter the function of thrombin from a procoagulant to an anticoagulant?

Your analyzer gave a platelet count of 71×103/mcL. Because this is a low value, you decide to double check the result by scanning a slide and performing a platelet estimate. While scanning on 10x you notice large platelet clumps as you scan the slide. If you were to perform a platelet estimate, would it be accurate? In addition, due to the clumped platelets, would the value given by the analyzer be falsely decreased or falsely increased?