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  • Generally
  • Nitrogen is used to some extent for filling light bulbs, in thermometers, and generally anywhere a relatively inert atmosphere is needed, as in the production of electronic parts such as transistors, diodes, and integrated circuits, and in food storage packaging to prevent spoilage. (thefreedictionary.com)
  • occurs
  • It can also be caused by a change in the osmolality of the extracellular fluids of the body, hypokalemia, decreased blood volume (as occurs during major hemorrhage), and other conditions that create a water deficit. (wikipedia.org)
  • Increases
  • Increases in serum urea nitrogen may be due to prerenal, renal or postrenal causes. (testcatalog.org)
  • Sickle-cell disease (increases production of fetal hemoglobin that then reduces the tendency of sickle cells to sickle, as well as reducing white blood cells that contribute to the general inflammatory state in sickle cell patients. (wikipedia.org)
  • glomerular filt
  • To do this, you may have a blood sample taken to calculate your estimated glomerular filtration rate ( GFR ). (mayoclinic.org)
  • The main causes of an increase in BUN are: high protein diet, decrease in glomerular filtration rate (GFR) (suggestive of renal failure) and in blood volume (hypovolemia), congestive heart failure, gastrointestinal hemorrhage, fever, and increased catabolism. (wikipedia.org)