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...What is blood collection it a process where withdrawn from patient for medical investigation purposes why do we this collected patients analyzing one of the following cell contents performing microbiological tests biochemical are methods arterial sampling venipuncture fingerstick when an artery mostly used in assessing pulmonary functions by testing gas content not performed widely note taken pelvis case infants or phlebotomy puncturing vein order to withdraw introducing fluid venous useful all types biological and most technique capillary small amounts needed analysis example grouping test random sugar heel...