NHA Phlebotomy Practice Test Complete Questions & Answers(Latest Update 2023)

A term used to describe a blood sample in which the red blood cells have ruptured is: - ANSWERSHemolyzed Which of the following Vacutainer tubes is routinely used for hematology testing? - ANSWERSLavender No anticoagulants are found in which tube? - ANSWERSPlain Red Which type of tube should be used to collect blood specimens during a glucose tolerance test? - ANSWERSGray What is the anticoagulant that prevents platelets from clumping and preserves the appearance of blood cells for microscopic preparation? - ANSWERSEDTA( Ethylenediamine tetraacetic acid) What is the name of the slant at the open end of a needle used for venipuncture? - ANSWERSBevel What is the most commonly used needle size for an adult venipuncture? - ANSWERS21 guage What is the most commonly used needle size for an infant and the elderly? - ANSWERS23 guage