Why blood is directly transferred into a sterile bottle containing 1-2 ml of 0.35%liquid?
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Explanation:
the proper vein is chosen and the area cleaned with 2% iodine and then 70% alcohol.
for serological investigation, about 5ml of blood is drawn aseptically ,after removing needle from the syringe
,it is transferred 1-2 ml of .35% of liquid in sterile physiological saline
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