MEDCA PHLEBOTOMY TECHNICIAN STUDY GUIDE QUESTIONS AND ANSWERS

type and cross match takes place for transfusions to determine if a patient will react after a transfusion (learning if blood is compatible with donors) preanalytical phase the process of collecting a specimen for further laboratory testing anatomic pathology process of testing specimen such as biopsy pharmacy department primary consultant for blood collected for testing drug levels quality improvement the use of data-based methods in order to reach improvement(may use a flowchart or pareto chart) quality control records What are these examples of: -expiration dates -precision of testing supplies/reagents -storage information phlebotomist Who is a potential threat to the patient yes is feces and urine a potential source of infection nosocomial patient developing an infection while in the hospital that was not present before they arrived fomites materials that carry infections hand washing the single most important way to prevent the spread of infection wash hands with soap and water what do you do when you are stuck by a needle blood pressure pressure exerted by circulating blood upon the walls of blood vessels arterial blood pressure usually refers to the ____________ pressure of systemic circulation systolic pressure ____________ is maximum while diastolic pressure is minimum decreases blood pressure _______________ when blood moves away from the heart inside blood pressure is usually measured on the _________ of the elbow, at a person's upper arm 120/80 what is the normal blood pressure reading (with systolic being the higher number, and diastolic being the lower number) systolic -heart contracting -maximum arterial pressure during the contraction is in the left ventricle -also called ventricular contraction diastolic -relaxation and dilation(expansion) period -minimum arterial pressure is when ventricles are filled with blood diastolic sound sound heard during diastole pulse rhythmical expansion of arteries due to heart contractions increases when you breathe in your heart rate __________ ankle Your pulse can be felt at the wrist(radial artery), neck(carotid artery), inside elbow(brachial artery), behind knee(popliteal artery), and around the ________________ joint(posterior tibial artery) index and middle the _________ _____ _______________ fingers can feel for the pulse thumb what has a pulse of it's own 120-60 what should someone's pulse rate be between serum when blood clots what is the fluid called homeostasis what is the steady state of the body called bone marrow where is blood made 95 the bone marrow produces __% of the blood cells using the liver, spleen, and lymph nodes to help with cell regulation stem cells what do blood cells originate as platelets blood cells include, red blood cells(erythrocytes), white blood cells(leukocytes), and ______________(thrombocytes) 45 erythrocytes, leukocytes, and thrombocytes make up __% of the blood tissue plasma what makes up 55% of the blood tissue 8 blood makes up _% of the average humans body weight 5 How many liters of blood are in the body pH measures the hydrogen ion concentration 7.35 to 7.45 what should the normal blood pH level be acidic less than the 7.35 pH blood level would be considered what alkaline more than the 7.45 pH blood level would be considered what carbon dioxide what does blood primarily carry out of the body tissues white blood cells what cell contains a nucleus and 46 red blood cells blood cell that carries oxygen to body tissues hemoglobin iron-containing pigment that gives erythrocytes their color anemia term known as not having enough red blood cells that contain iron polycythemia -term known as having too many red blood cell that contain iron -also known as hematochromatosis 100-120 days life span of an erythrocyte 2 million how many red blood cells are made par second 7 days how long does it take for a red blood cell to mature reticulocytes what are immature red blood cells called eryptosis process of removing defective red blood cell hematopoietic hormone in the bone marrow that produces blood cells leukocytes what are these(use medical terminology): --granulocytes: neutrophils, basophils, eosinophils --lymphoid cells: monocytes, lymphocytes lymphocytes -kills leukocytes after 13-20 days(lifespan of WBCs) -grouped in B,T,NK cells -common in lymphatic system neutrophils defends against fungi, bacterial infection basophils responsible for antigens and allergic reaction by releasing histamine monocytes -forerunners of macrophages -becomes macrophages 24-36 hours after entering circulatory system eosinophils defends against parasites immune system white blood cells are cells of the _______________ ____________ and help defend against diseases and foreign material