Inaccurate test results may occur in certain test when what is used to prepare the skin prior to vein puncture...
Part of the preparation for am oral glucose tolerance test?..
Give the pt a high carbohydrate drink immediately after the first blood draw
To prepare the skin before a bien puncture when alcohol causes inaccurate results for certain tests?..
Soap & water
After how many unsuccessful attempts @ obtaining a good blood sample should you seek assistance from your supervisor or the doctor?
Important when drawing blood from children ?
Gather your supplies and samples quickly as possible to avoid alarming the child with blood-collection tubes
Would you include when preparing a venipuncture site?
Cleanse the venipuncture site using a circular motion starting at the center and working outward
When performing a venipuncture using an evacuation system ?
Insert the needle at a 15 angle with the bevel side up
Is characteristic of the capillary puncture ?..
The pt's non-dominant hand is used for this procedure
Which method of drawing blood would you use on a pt with small or fragile veins?
The needle and syringe system
Which procedure for obtaining a blood sample in adults and children is usually performed on the middle or ring finger?
The capillary puncture
Which blood collection device uses interchangeable collection tubes that allow you to draw several blood specimens from the same venipuncture site?
The evacuation system
Which of the following is characteristic of lancets?
They are small disposable instruments with a sharp point used to puncture the skin
A puncture resistant, leak-proof container see to dispose of needles, lancets,and other sharp objects is called ..
Factors result in failure to draw blood during venipuncture ?...
Losing the vacuum in the tube, veins are sclerosed, needle inserted through the vein
Enzyme -linked immunosorbent assay (ELISA) and western blot tests are used to confirm which of the following disorders ?
A Substance that when present on the surface of red blood cells cause the formation of antibodies that interact specifically with it are called?
The following is a pieces of equipment that allows one to count blood cells by examining a diluted blood sample under a microscope?
The following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?
A percentage of each type of white blood cell in a total of 100 white cell observed is referred to as...
Maintenance @ a specific temperature for a specific amount of time until growth or a reaction occurs is?
An accumulation in the body of substance, known as ketones,which may be detected by testing urine, commonly observed in starvation, pregnancy and diabetes is..
The laboratory test for a white blood cell count would be for...
Detecting inflammation or infection
For capillary collection from infants, a lancet with which of the following lengths should be used to avoid penetrating the bone?...
If during the course of a venipuncture,the pt starts to bleed severely,you should ..
Apply pressure to the site
For the Surgicutt Bleeding time test, the blood pressure cuff must be inflated on the pt's upper arm to..
40 mm Hg
The phlebotomist would play an active role in pt education for which the following procedures?
24 HR urine samples, urine culture,glucose tolerance test
The laboratory test for hematocrit would be for which of the following?
Aiding in diagnosis of anemia
The test that is required to test the pt's insulin releasing mechanism is called...
A fasting blood specimen is needed for which of the following clinical laboratory assays?...
Of the following lab tests, which procedure requires 10mL normal saline and 2 ot 3 - 20 Ml disposable syringes?
Collecting blood through CVC's
A centrifuge is a piece of laboratory equipment used for which of the following?
Hemacytology, spinning test tubes at high speeds, separating the cellular and liquid portions of the blood
When blood is collected from a pt, the serum should be separated from the blood cells as quickly as possible to avoid ...
The most common site to perform a venipuncture, or the bend of the arm is called...
The following items are needed to collect a blood culture specimen?
Alcohol preps, iodine scrub swab sticks, disposable gloves
A prolonged bleeding time for a pt may be caused by the pt's intake of ...
Mithramycin, dextran, aspirin
If a blood specimen is allowed to clot, without added anticoagulant, this is what remains: ...
serum, blood cells, fibrin clot
Why is it necessary to control the depth of a lancet insertion during skin puncture?
To avoid excessive bleeding
Which of the following conditions listed affect laboratory tests on blood specimens?
Altitude, needle inserted through the vein, humidity
Hemoconcentration can be caused by ..
Squeezing or probing the site, long term IV therapy, tourniquet left on for extended periods
A light colored layer of leukocytes and platelets which forms on the top of the red cell layer when a sample of blood is centrifuged or allowed to stand...
Two primary tests for platelet activity are the bleeding time, which is used to assess platelet function,and platelet count, which evaluates platelet production ...
Bleeding and platelet
Hematoma during venipuncture results from which of the following?
Needle bevel is partially inserted in the vein
The laboratory test for sedimentation rate is described as...
The time required for erythrocytes to settle to the bottom of an upright tube @ room temperature ...
Which of the following would be reason to reject a specimen for testing?...
Use of expired collection tubes, unlabeled specimen,discrepancies on the requisition
An instrument which can be used to determine the concentration of a solution by measuring the light transmitted or absorbed by the solution is called
A temperature controlled chamber into which inoculated media is placed so that bacterial growth will occur is called a/an
To help minimize dizziness or fainting, blood donors should eat within six hrs of donating blood ...
A series of tests measuring enzymes released into the blood after a heart attack is...
Serum enzyme test
What is a reference point with which test results are compared?
None of these choices: basal state, thromboplastin time, differential
When performing an arterial puncture, you should: ..
None of these choices ^_~ : apply pressure to the site for 3 min after collection, not apply pressure on the site after collection, apply pressure on the site for 15 min after collection.
what is the special winged needle set that can be left in a pt's vein for up to 48 hrs and is used to administer medication and draw blood?..
what is the name of the small metal bar that is inserted into the tube after collection of a capillary blood gas specimen used to aid in mixing the anticoagulant by means of a magnet?..
If a hematoma starts to form during the course of a phlebotomy, which of the folowing should be done?..
remove needle and apply pressure to the site
In arterial blood gas procedure for adults, which of the following anticoagulants is added to coat the syringe barrel? ..
The following complications could be associated with the collection of arterial blood gas?..
Infection, Arteriospasm, Hematoma
What should be the minimum volume of the capillary tube used to collect a specimen for cpillary blood gas analysis?..
The following test uses a tamplate instrument to obtain blood for testing platelet integrity?..
What is the name of the compatibility test performed before a unit of blood is determined to be suitable for transfusion?...
A test of the body's ability to absorb and utilize a particular substance is which of the following?..
The act by which a fluid will enter a tube or pipet because of the attraction between the glass and the liquid is?..
The following sites is not recommend to collect capillary blood gases?
Lateral anterior area of the elbow
Which of the following blood analysis has a rise and fall in values with the time of the day, and thus must be collected on time
The value of total protein test due to prolonged use of a tourniquet can produce change in
For the Surgicutt bleeding time test, the blood pressure cuff must be inflated on the pt's upper arm to
40 mm Hg
The NCCLS order of draw using conventional stoppers is
The NCCLS order of draw using vacutainer tubes with Hemoguard closure
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