NHCO Practice Exam part II With Questions And Accurate Answers

NHCO Practice Exam part II With Questions And Accurate Answers When taking a blood sample to measure the trough level of a medication, a phlebotomis t should: - Answer Take the sample about 15 minutes before the patient receives the next dose of medication When. a phlebotomist centrifuges blood in a GRAY Top tube containing anticoagulant, which is the resulting fluid portion? - Answer Plasma To avoid damaging test results, a tourniquet should not be left on a patient's arm long er than? - Answer 60 seconds According to OSHA requirements, a phlebotomist must replace a sharps container: - Answer When th e container is two-thirds full The needle should be inserted into the arm with the bevel facing in which direction? - Answer upwards Why should a phlebotomist not transfer a specimen to a different labeled tube if they accidental ly mislabel the first collection tube? - Answer Because the collection tube already has a speci fic measure of additive that could be altered if the specimen was transferred into another tube which piece of information is critical for a phlebotomist to document when following a Chain of custody guideline? - Answer Identifying everyone who had possession of the specimen What is the process by which blood vessels repair after injury? - Answer hemostasis The most frequently occurring nosocomial (clinical setting acquired) infection for laborat ory employees is which of the following? - Answer hepatitis B virus When drawing blood from a patient who has pneumonia, which PPE provides the BEST protection for a phlebotomist? - Answer mask What term best describes a red blood cell that bursts because the plasma that attached to it was not a match? - Answer agglutination When drawing blood from a patient who has active tuberculosis, which PPE provides the best protection for a phlebotomist? - Answer N95 respirator Which of the following is the total blood volume of an infant who weighs 3.3 kg (7.3 lb) - Answer 300-350 mL