What compound is a cofactor in gamma carboxylation of various coagulation factors?

The buffy layer refers to:

Lymphocyte percentage of 45 is termed:  

Which hemostatic clotting factor is NOT part of the common pathway?

Which of the following terms refers to the removal of RBCs from circulation by the spleen?

A 55-year-old male is undergoing dialysis to treat his renal failure. Routine blood examination shows a low RBC count, low H&H, and a normal MCV. What is the most important factor contributing to this anemia?

Megaloblastic maturation is the result of:

Howell-Jolly bodies are

What is the cause of polymerization in Hgb S?

The abnormal leukocyte characteristic found in May-Hegglin anomaly is: