Direct emissions are produced from residential and commercial activities in a variety of ways: 1  Combustion of natural gas and petroleum products for heating and cooking needs emits carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).
Of red blood cell number. Classically this was the packed cell volume. blood was placed in a microtube and spun in a centrifuge. The rbcs settle to the bottom and one measures the height in the tube and reported as a percentage. Now determined by an automated machine. A typical hct is about 3 x the hemoglobin (hgb).
Total protein on a CBC is slightly different from that of the profile because it is run on plasma, while the protein measurement on a profile is run on serum, but are otherwise similar. Packed cell volume (PCV or hematocrit) refers to the percentage of red blood cells present in a volume of whole blood.