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Which of the following stopper colors identifies a tube used for coagulation testing? A. Green B. Lavender C. Light blue D. Red C. Light blue
Which of the following terms will yield a serum sample? A. Green B. Lavender C. Light blue D. Red D. Red
Which of the following substances is contained in a serum separator tube? A. K3EDTA B. Lithium heparin C. Sodium Citrate D. Thixotropic gel D. Thixotropic gel
Which of the following substances is an anticoagulant? A. Oxalate B. Phosphate C. Silica D. Thrombin A. Oxalate
Which of the following plays no role in deciding what size tube do use for ETS blood collection? A. Age and weight of patient B. Patients allergy to antiseptics C. Sample size needed for testing D. Size and condition of the veins B. Patients allergy to antiseptics
Which of the following additives is most common use for chemistry tests? A. ACD B. Citrate C. Heparin D. SPS C. Heparin
When anchoring a vein A. Index&middle fingers pulling skin parallel to arm below the site B. Index finger pulling skin above site&thumb pulling towards wrist C. Thumb1-2in below site&pulling skin towards wrist D. Thumb next to vein&pressing heavy down C. Thumb is 1-2in below intended site and pulling skin toward wrist
This gel separator tube contains EDTA A. EST B. PPT C. PST D. SST C. PST
Heparin prevents blood from clotting by A. Activating calcium B. Binding calcium C. Chelating thrombin D. Inhibiting thrombin D. Inhibiting thrombin
What department would perform test on a SPS tube A. Chemistry B. Coagulation C. Hematology D. Microbiology D. Microbiology
Which of the following STAT tests is collected in a Lithium heparin tube A. Blood type and screen B. Complete blood count C. Electrolyte panel D. Prothrombin time C. Electrolyte panel
Tube that contains EDTA A. Green B. Lavender C. Light blue D. Royal blue B. Lavender
Which tube is filled first when multiple tubes are filled from a syringe A. Blood culture B. CBC C. Nonadditive tube D. STAT potassium tube A. Blood culture
If blood pressure cuff is used as a tourniquet, the pressure must be A. Below the diastolic pressure B. Between the diastolic and systolic pressure C. Equal to systolic pressure D. Equal to diastolic pressure A. Below diastolic pressure
In general an anticoagulant is unable to A. Bind calcium or inhibit thrombin B. Inhibit the metabolism of glucose C. Keep the blood in its natural state D. Prevent the specimen from clotting B. Inhibit the metabolism of glucose
What is the fewest number of tubes needed to collect a CBC and protime when using a butterfly on a patient who is difficult to draw from A. One B. Two C. Three D. Four C. Three
Identify the tubes needed to collect a PT, STAT lutes and BC in the proper order of collection A. Gold yellow light blue B. Light blue lavender yellow C. SST yellow light blue D. Yellow light blue PST D. Yellow light blue PST
Bending the arm up to apply pressure to the site after venipuncture has not been shown to A. Disrupt platelet plug B. Enable site to quickly stop bleeding C. Increase possibility of bruising and hematoma formation D. Keep wound open B. Enable site to quickly stop bleeding
To “seat” the needle in the vein means A. Anchor the vein while inserting needle B. Increase the angle needed to enter vein C. Redirect needle to gain entry to vein D. Thread part of the needle within the lumen D. Thread part of the needle within the lumen
Plastic red top tubes used to collect blood specimen usually contains A. Anticoagulant B. Clot activator C. No additive D. Preservaties B. Clot activator
Lavender top tubes are most commonly used to collect A. Chemistry test B. Coagulation test C. Hematology test D. Immunology test C. Hematology test
Which test can be affected by cross contamination from light blue tube A. Acid phosphate B. Calcium C. Lithium D. Potassium B. Calcium
What’s recommend way to clean venipuncture A. Clean throughly with disinfectant using concentric circles B. Cleanse with circular motion from center to the periphery C. Scrub with alcohol D. Wipe using concentric circles from outside area to venter B. Cleanse with a circle motion from center to the center
Some blood specimens require cooling to A. Avoid hemolysis of RBCs B. Prevent premature clotting C. Promote serum separation D. Slow metabolic processes D. Slow metabolic processes
Which is incorrect about importance of specimen handling A. Effects of mishandling are not obvious B. Improper handling can affect quality of results C. Many lab errors occur in preanalytical phase D. Mishandling effects can be corrected if identified D. Mishandling effects can be corrected if they are identified
It is incorrect to say that this analyze requires protection from light A. Ammonia B. Bilirubin C. Vitamin B12 D. Vitamin C A. Ammonia
It is incorrect to say that this is a reason for transporting tubes with the stoppers up A. It encourages complete clot formation B. It maintains the sterility of the sample C. It minimizes stopper caused aerosols D. It reduces agitation caused hemolysis B. It maintains the sterility of the sample
What specimen should be transported on ice A. Ammonia B. Bilirubin C. Carotene D. Potassium A. Ammonia
One of the following should be removed from a list of proper techniques for collecting specimen tubes when using the ETS D. Position the arm so that the tubes fill from the stopper end first
The silica particles in an SST A. Enhance the process of coagulation B. Keep RBC from sticking to tube C. Minimize hemolysis of blood cells D. Stop glycolysis by enhancing clotting A. Enhance the process of coagulation
In order what tubes needed for WBC,PT, and STAT A. Gold, yellow, light blue B. Lavender, SST, royal blue C. Light blue, green, lavender D. Red, gray, light blue C. Light blue, green, lavender
What does a sclerosed vein feel like A. Bouncy and resilient B. Hard and cord like C. Pulsating and firm D. Soft and pliable B. Hard and cord like
What’s the best angle for needle insertion during venipuncture A. Less than 15 B. 30 or less C. 35-45 D. 45-60 B. 30 or less
Specimen hemolysis can result from A. Filling tubes with transfer device at angle B. Leaving tourniquet on until last tube C. Mixing anticoagulant tube several extra times D. Using large volume tube with 23 gauge needle D. Using large volume tube with 23 gauge needle
Reference values for this test are higher for capillary specimen A. Calcium B. Glucose C. Phosphorus D. Total protein B. Glucose
In a blood smear, if it’s too short try again and A. Decrease angle of the spreader slide B. Exert more pressure on spreader slide C. Increase angle of spreader slide D. Place a smaller drop of blood A. Decrease angle of the spreader slide
Blood smear made from blood collected in EDTA must be prepared within A. Few mins of collection B. 30 mins of collection C. 1 hour of collection D. 4 hour of collection C. 1 hour of collection
Situations that require a venipuncture instead of capillary puncture when A. Bilirubin is ordered on a one year old B. Light blue tube ordered C. PST is needed on an adult with difficult veins D. WBC is ordered on chemotherapy patient B. Light blue tube is ordered
It’s unlikely that holes in a blood smear would be caused by A. Low hemoglobin B. Dirt on the slide C. High lipid level D. Smudged slide C. High lipid level
Strong repetitive pressure such as squeezing/milking in capillary specimen A. Is necessary to obtain adequate blood flow B. Can hemolyze and contaminate specimen C. Improves accuracy of CBC test results D. Increase venous blood flow into the area B. Can hemolyze and contaminate specimen
If the following tests are collected from a patient by capillary puncture which test specimen is collected first A. Bilirubin B. CBC C. Lytes D. Glucose B. CBC
During multi sample capillary specimen collection blood smears and EDTA specimen me are obtained before other specimens to minimize A. Effects of platelet aggregation
A blood smear is required for this test A. Manual differential B. Neonatal bilirubin C. Newborn screening D. Packed cell volume A. Manual differential
CLSI standards advise against using these on infants and children under 2 years old A. Adhesive bandages B. Evacuated tubes C. Isopropyl alcohol D. Vinyl tourniquets A. Adhesive bandage
Proper finger puncture techniques would exclude A. Choosing a middle or ring finger B. Puncturing parallel to the fingerprints C. Trying not to squeeze or milk sits D. Wiping away the first drop of blood B. Puncturing parallel to the fingerprints
Hemolysis of a capillary specimen can erroneously elevate results for this test A. Cholesterol B. Hemoglobin C. Potassium D. RBC count C. Potassium
Which of the following is newborn screening A. Bilirubin B. GALT C. H&H D. WBC B. GALT
Complication of a heel puncture that is too deep A. Osteoarthritis B. Osteoporosis C. Osteomyelitis D. Osteosarcoma C. Osteomyelitis
Created by: Braela