The hematocrit blood test determines the percentage of red blood cells (RBC's) in the blood. Blood is composed mainly of red blood cells and white blood cells suspended in an almost clear fluid called serum. The hematocrit test indicates the percentage of blood by volume that is composed of red blood cells. The condition called anemia results from having too few red blood cells. Anemia causes a variety of symptoms. The hematocrit is a basic test that can tell a physician a lot about a person's health.
Preheat the oven to 400 degrees F (204 degrees C). Place the short ribs on a baking sheet, season with salt and pepper, and roast in the oven for 15 minutes. Remove the ribs from the oven, and then reduce oven temperature to 300 degrees F (149 degrees C).
1 Slide rack with ribs into upper-middle position and place foil lined pan on lower oven rack, making sure that foil covers rack. 2  Bake/roast ribs until fork-tender, 2-3 hours for spareribs and 1 1/2 hours-2 hours for baby back ribs. Mix a dry rub of the sugar, paprika, pepper, garlic powder and 1 1/2 teaspoons salt in a small bowl. 2  Mix mustard and liquid smoke in another bowl. 3  Lay ribs directly on removed oven rack and lightly sprinkle with salt. 4  Brush both sides of slab with mustard mix and then sprinkle both sides with dry rub.