Phlebotomy Medca Exam questions and answers

1. Color coding of needles indicates Guage 2. What does a blood cell count require Whole blood col- lected in a purple top tube 3. The preferred anticoagulant for the collection of whole blood for STAT situations in a clinical labora- tory Herapin 4. main cells of the immune system White blood cells 5. Plasma makes up what percent of the blood tissue 55% 6. Normal pulse rate of a 9 year old 75-110 BPM 7. When is a diastolic heart sound heard when the heart re- laxes 8. What are the formation of blood cells that start in the bone marrow 9. True or False White blood cells contain chromosomes Stem cells True 10. What are developing red blood cells also called Reticulocytes 11. How many red blood cells are produced per second About 2 million 12. Amount of time it takes for red blood cells to mature 7 days 13. Most numerous blood cells in the body Red blood cells 14. When pH level is lowered it makes the blood more..? Acidic 15. True or False The Monoject Monoletter is a safety device for capil- lary blood collection True 16. 90 degrees When performing an arterial puncture, the artery should be punctured at what degree angle? 17. Where is blood pressure measured? inside the elbow 18. True or False Red blood cells contain a nucleus 19. Red blood cells are the bodys major way of delivering what to the bodys tissues? 20. What happens as the circulating blood moves away from the heart? 21. For newborns the penetration depth of lancets for blood collection must be less than..? 22. To chill a blood specimen as it is being transported the health care worker should carry the specimen in what? 23. A blood donor candidate must weigh at least what amount False Oxygen The blood pres- sure decreases 2.0 mm Icy water 110 pounds 24. What gauge needle is used for blood donation 16 gauge 25. Prolonged tourniquet application can lead to tissue and nerve damage 26. A tourniquet should not be on a patient for more than..? 2 minutes 27. Where in the body is the blood made bone marrow 28. Blood makes up what percent of the body weight 8% 29. Process of the removal of old and defective red blood cells