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Phlebotomy Medca Exam 36 Questions with Verified Answers,100% CORRECT

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Phlebotomy Medca Exam 36 Questions with Verified Answers Color coding of needles indicates - CORRECT ANSWER Guage What does a blood cell count require - CORRECT ANSWER Whole blood collected in a ... purple top tube The preferred anticoagulant for the collection of whole blood for STAT situations in a clinical laboratory - CORRECT ANSWER Herapin main cells of the immune system - CORRECT ANSWER White blood cells Plasma makes up what percent of the blood tissue - CORRECT ANSWER 55% Normal pulse rate of a 9 year old - CORRECT ANSWER 75-110 BPM When is a diastolic heart sound heard - CORRECT ANSWER when the heart relaxes What are the formation of blood cells that start in the bone marrow - CORRECT ANSWER Stem cells True or False White blood cells contain chromosomes - CORRECT ANSWER True What are developing red blood cells also called - CORRECT ANSWER Reticulocytes How many red blood cells are produced per second - CORRECT ANSWER About 2 million Amount of time it takes for red blood cells to mature - CORRECT ANSWER 7 days Most numerous blood cells in the body - CORRECT ANSWER Red blood cells When pH level is lowered it makes the blood more..? - CORRECT ANSWER Acidic True or False The Monoject Monoletter is a safety device for capillary blood collection - CORRECT ANSWER True When performing an arterial puncture, the artery should be punctured at what degree angle? - CORRECT ANSWER 90 degrees Where is blood pressure measured? - CORRECT ANSWER inside the elbow True or False Red blood cells contain a nucleus - CORRECT ANSWER False Red blood cells are the bodys major way of delivering what to the bodys tissues? - CORRECT ANSWER Oxygen What happens as the circulating blood moves away from the heart? - CORRECT ANSWER The blood pressure decreases For newborns the penetration depth of lancets for blood collection must be less than..? - CORRECT ANSWER 2.0 mm To chill a blood specimen as it is being transported the health care worker should carry the specimen in what? - CORRECT ANSWER Icy water A blood donor candidate must weigh at least what amount - CORRECT ANSWER 110 pounds What gauge needle is used for blood donation - CORRECT ANSWER 16 gauge Prolonged tourniquet application can lead to - CORRECT ANSWER tissue and nerve damage A tourniquet should not be on a patient for more than..? - CORRECT ANSWER 2 minutes Where in the body is the blood made - CORRECT ANSWER bone marrow Blood makes up what percent of the body weight - CORRECT ANSWER 8% Process of the removal of old and defective red blood cells - CORRECT ANSWER Eryptosis Bradycardia is when pulse drops below..? - CORRECT ANSWER 60 BPM How many layers do veins have - CORRECT ANSWER Two How many layers do arteries have - CORRECT ANSWER Three Where are reserve platelets stored? - CORRECT ANSWER In the spleen Small vessels located in the liver, spleen, & bone marrow - CORRECT ANSWER Sinusoids White blood cells that are responsible for allergic reactions - CORRECT ANSWER Baspohils If blood specimen has a separation device, how many times should it be centrifuged - CORRECT ANSWER Once [Show More]

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