Special Procedures
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| when drawing a blood alcholol specimen, it is acceptable to clean the arm with | benzalkonium
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| which of the following is the most critical part of blood culture collection | antisepsis of the collection site
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| TDM peak concentration may be defined as the | highest conentration of the drug during a dosing interval
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| in performing a glucose tolerance test, the fasting specimen is drawn at 08:15 hours and the patient finishes the glucose beverage at 08:20 hours. when should the 1-hour specimen be collected | 09:20
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| what color is the stopper of a CTAD tube, for what type of test is it used and why | Lt blue, coagulation; to inhibit platelet activation
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| removing a unit of blood from a patient and not replacing it is used as a treatment for | polycythemia
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| which of the following test may require special chain-of -custody documentation when the specimen is collected | drug screen
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| what type of specimen is needed for a guaiac test | feces
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| which of the following test must have a 9:1 ratio of blood to anticoagulant in the collection tube | protime
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| which of the following test are collected in a trace-element-free tube | aluminum
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| common chemistry test performed by POCT instruments include | Na and K
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| which of the following is a test that measures packed cell volume | Hct
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| AABB | american association of blood banks organizaion that sets guide lines for blood doner centers
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| ACT | activated clotting time
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| anaerobic | without air
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| aerobic | with air
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| ARD | antimicrobial removal decice; contains a resin that removes antimirobials from the blood
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| autologous | blood that is donated for one's own use
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| BAC | blood alcohol contcentration
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| bacteremia | bacteria in the blood
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| BNP | b-type natriuretic peptide (to much fluid in the heart); cardiac hormone produced by te heart in response to congestive heart failure
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| chain of custody | special protocol for forensic specimen collections
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| compatibility | blood suitability to be mixed for a doner
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| CRP | C-reactive protein is a b-globulin found in the blood that responds to inflamation and can therefore be used as a sensitive though nonspecific marker of systemic inflamation disorders
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| EQC | instrument which can detect problems with the specimen(i.e. clotting, short samples, air bubbles)
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| ETOH | ethanol (blood alcohol test)
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| FAN | fastiddious antimicrobial neutralization bottles contain activated charcoal
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| FUO | fever of unknown origin
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| GTT | glucose tolerance test; used to diagnose problems of carbohydrate metabolism, typically collected 30min, 1h, 2hr, 3hr, and so on after the glucose beverage
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| hCG | human chorionic gonadotropin; hormone produced by the placenta that appears in both urine and serum approximately 10 days after conception
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| hyperglycemia | blood glucose levels are increased
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| hypoglycemia | blood glucose levels are decreased
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| hyperkalemia | increased potassium levels
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| hypokalemia | decreased potassium levels
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| hypernatremia | increased sodium levels
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| hyponatremia | decreased sodium levels
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| hypoxemia | low level of oxygen in the blood
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| iCa2+ | ionized calcium (accounts for approximately 45% of the calcium in the blood)
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| INR | international normalized ratio (test on whole blood from a fingerstick to provide timely laboratory results)
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| K+ | potassium (is the primarily concentrated within the cells, very little found in the bones and blood)
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| lactate | a form of lactic acid that is used as a marker of the severity of metabolic acidosis and a patients stress response
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| lookback | program to trace blood unit components to doner
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| lysis | rupturing , as in the bursting of red blood cells
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| NIDA | national institude on drug abuse
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| peak level | drug level collected when the highest
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| POCT | point of care testing; altenate site testing(AST) bedside, or near patient testing
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| PP | postprandial (after a meal)
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| septicemia | microorganisms or their toxins in the blood
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| TDM | theraputic drug monitering; testing of drug levels at specific intervals to help establish a drug dosage to avoid drug toxicity
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| TGC | tight glycemic index; intensive insulin therapy for glucose control
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| Tnl | troponin I; protien specific to hear muscel levels rise within 3 to 6 hours and return to normal in 5 to 10 days
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| TnT | troponin L; heart muscel protien that rise within 4hrs of onset and may stay elevated 14 days
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| trough level | drug level collected when the lowest serum concentration of the drug is expected, usualy prior to administration of the next sheduled dose
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| the fasting specimen for a GTT is drrawn | befor the test has actually begun
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| which of the following tube additive is preferred for the collection of a blood culture specimen | sodium polyanethol sulfonate
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| TDM through concentration may be defined as the | lowest concentration of the drug in the tissue
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| in performing a glucose tolerance test, the fast-ing specimen is drawn at 6:15 am and the patient finishes the glucose drink at 6:30 am. when should the 2hr specimen be collected | 8:30
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| typical labeling requirements for a blood blank specimen include | patient's date of birth and date and time of collection
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| withdrawing a unit of blood from a patient for therapeutic purposes is used as a treatment for | polycythemia
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| during a GTT, which of the following is acceptabel | allowing the patient to drink water at any time during the test
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| a stool specimen is needed for the ______ test | guaiac
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| for what purpose is the oral glucose challenge test used | to screen for gestational diabetes
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| autologous donation is performed to | avoide a transfusion reaction
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| glycosylated hemoglobin is performed to monitor the effectiveness of therapy in which of the following conditions | diabetes
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| prior to performing a test on a POCT instrument the phlebotomist should | be able to operate the instrument correctly
be familiar with the instrument's maintenance procedures
understand the quality assurance aspects of the instrument
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| according to american red cross, persons wishing to donate blood must be | at least 17 years old in most of the states
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| which of the following procedures is required for a BC using a chloroprep kit | scrubbing for a full 2 minutes
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| blood bank specimens require which of the following identification information | date and time of collection
patient's date of bith
patient's full name
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| the hemocue plasma/ low hemoglobin instrument is used to indicate | iatrogenic anemia
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| peak and trough specimens are colledted for | theraputic drug monitoring
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| in collecting blood cultures, one of the most frequent errors made is | improper cleansing of the collection site
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| which of the following test does not require special chain-of-cutody documentation when collected |
TDM
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| which of the following POC test is used to monitor warfarin therapy | ACT
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| pediatric blood cultures crates challenges because | the antiseptic technique is different if you use chloroprep
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| hyperkalemia means | increased potassium in the blood
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| postprandial refers to | after eating a meal
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| in collecting a blood alcohol test or forensic purposes, he venipuncturesite can be cleaned with | benzalkonium chloride
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| which of the fillowing should be removed from a list of test that the i-STAT instrument can measure | CBC and PT
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| blood levels of this specific analyte begin to rise within 4hrs of an MI | TNT
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| when does the lookback program occur | when the blood service is made aware of a transfusion infection
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| molecular genetic testing require | chain of custody protocol to be followed
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| in the DOT's 10 steps to collection sit security & integrity , drug screen testing is secured for collection of the urine specimen because | employees must empty pockets and leave bags behind
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| monitoring the quality of waived testing being done at the bedside is a constant challenge for the laboratory because | more test are classified as waived each year
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| copletely fillfed blue top, invert 3 to 4 times immediately after drawing. do not centrifuge or freeze if the sample needs to be transported | prothrombin time (PT)
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| hemochromatosis | a disease characterized by excess iron deposits in the tissue
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| blood culture (BC) | specimens mostly collected in special bottles containing nutrient broth (medium) that encourages the growth of microorganisms. usually collected in two's anaerobic (without air) and aerobic (with air).
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| BC order | when using a syringe an anaerobic bottle is filled first but when using a butterfly the aerobic bottle is filled first because of air in the tubbing.
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| trace element tube | tubes made of materials that are as free of trace element contamination as possible. these tubes are typically royal blue.
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| trace element test | it is best to draw it by itself if using a needle,tube assembly or a syringe, when using a syringe change the transfer device before filling the royal blue tube
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| fungemia | fungal or yeast in the blood
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| Na | sodium (is the most plentiful electrolyte in the blood)
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