Preanalytical Considerations
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| peak levels of this analyte typically occur around 08:00 hours (fever may increase levels) | cortisol
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| which of these tests are most affected if the patient is not fasting | glucose and triglycerides
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| veins that feel hard and cord-like when palpated may be: | thrombosed
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| tiny red spots that appear on the patient's arm when the tourniquet is applied are a sign that | site may bleed excessively
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| when the arm of the patient is swollen with excess fluids, the condition is called | edema
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| a patient has several short lengths of IV-type tubing protruding ffron his chest. This is most likesly a/an; | CVC
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| which of the following would be most likely to allow reflux to occur during venipuncture | filling the tube stopper end first
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| a patient complains of extreme pain when you insert the needle during a venipunture attempt. the pain does not subside, but the patient does not feel any numbness or burning sensation. you know the needle is in the vein, what sould you do | discontinue the draw and attempt collection at another site
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| which of the following situations can result in hemoconcentration | leaving the tourniquet on over 1 minte
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| you are in the process of collecting a specimen by venipunture. you hear a hissing sound, there is a spurt of blood into the tube, and the flow stops. what happened | the vacuum escaped
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| most test result reference ranges are values for | healthy individuals
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| if a venipuncture fails to draw blood and the phlebotomist senses a slight vibration of the needle, | needle is against a valve
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| an arm that is paralyzed | has no muscle function
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| a bariatric phlebotomy chair is designed for individuals who are | overweight
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| an AV fistula is most commonly used for | dialysis access
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| phase of the testing process begins for the laboratory when a test is ordered and ends when testing begins | preanalyticl/ preexamination
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| test reuslts within this range are said to be within normal limits | reference range
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| refers to the resting metabolic state of the body early in the morning after fasting approximately | basal state
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| will affect test results | age
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| RBC and WBC values are normally higher newborns than in | adults
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| some test results show singificant variations at higher | altitudes
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| decrease of total body fluids | dehidration
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| a condition in which blood conponents cannot easily leave the bloodstream, become concentrated in a smaller plasma volume | hemoconcentration
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| is a term meaning fat soluable that is used to discribe certain fatty substance of animal or vegetable origin | lipid
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| abnormally increased blood lipids content is called | lupemia
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| the medical term for fainting is | syncope
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| according to CAP guidelines, drugs that interfere with blood test should be stopped | 4 to 24 hours prior to the test
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| which of the following test is affected the most if collected from a crying infant | wpc count
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| a hematoma may result from | inadequate site pressure aplied, penetrationg through the back wall of the vein and using a needle that is too large for the vein
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| results of this test have a direct correlation with the patients age | creatinine clearance
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| speciman condition that would lead you to suspect hat the patient was not fasting when it was collected | cloudy whit serum
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| you are collecting a plasma specimen for coagulation test. the patient has an IV in the left arm near the wrist and a hematoma in the antecubital area of the rt arm. where is the best place to collect the specimen | distal to the hematoma
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| a patients arm is in anatomical position. there appears to be a loop under the skin between the wrist and the elbow. you feel a buzzing sensation when you touch it. what you are most likely feeling is | AV graft
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| while you are in the middle of drawing a blood specimen, your patient starts to faint. the first thing you should do is | quickly release the tourniquet and remove the needle
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| a patient has had a mastectomy on the left side and has an IV midway down the right arm. where is the best place to perform a venipuncture | below the IV on the right arm
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| blood loss t a point where life cannot be sustained is called | exsanguination
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| a specimens that would most likely be rejected for testing | a hemolyzed pottasium specimen
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| a clue that you have accidentally punctured an artery instead of a vein | the blood spurts into the tube
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| diurnal | happening daily
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| circadian | having 24hr cycle
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| level's can differ as much as 50% or more between morning and late afternoon and are often ordered as timed test (theraputic monetering) | diurnal/circadian
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| drugs that interfere with urine test should be avoided for | 48 to 72 hours prior to sample
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| also called icterus is a condition characterized by increased bilirubin a breakdown of red blood cells in the blood | jaundise
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| swelling caused by abnormal accumulation of fluid in the tissue | edema
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| a swelling or mass of blood that can be caused by blood leaking from the vessel during or following venipuncture | hemotoma
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| veins located anywhere except the abdomen and chest | peripheral veins
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| a catheter that is placed in an artery, most connonly located in the radial artery of the wrist and typically used to provide accurate and continuous measurments of blood pressure | arterial line
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| a permanent surgical connection of an artery and vein | arteriovenous (AV) shunt
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| a dialysis shunt created by direct peranent fusion of the artery and vein is called | fistula
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| the vain that can be seen under the skin is called a | graft
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| when palpated a shunt has a distinctive buzzing sensation called a | thrill
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| also called an indwelling line, consist of tubing inserted into a mian vein or artery | CVAD (central vascular access device)
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| line inserted into a large vein, such as sublavian or advanced into the superior vena cava, proximal to the right atrium | CVC (central venous line)
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| line inserted into the peripheral venous system and threaded into the central venous system | PICC (peripherally inserted central catheter)
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| sudden faintness caused by abrupt pain, stress or trauma is called | vasovagel
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| used to describe an adverse condition brought on by the effects of treatment | iatrogenic
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| when RBC's are damaged or destroyed and the hemoglobin they contain escapes into the fluid portion | hemolysis
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