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20 Cards in this Set
- Front
- Back
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In a successful venipuncture, evacuated tubes fill automatically as soon as the tube stopper is pierced because of A.) Equals pressure in the vein and tube B.) Pre-measured vacuum in each tube C.) Pressure from the arterial system D.) Tourniquet pressure on the vein |
B.) Pre-measured vacuum in each tube |
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Lavender stopper tubes are most commonly used to collect A.) Chemistry tests B.) Coagulation tests C.) Hematology tests D.) Immunology tests |
C.) Hematology tests |
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The blood to additive ratio is most critical for a specimen collected in this tube. A.) Light blue top B.) Light green top C.) Lavender top D.) Royal blue top |
A.) Light blue top |
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Antiseptics are A.) Corrosive chemical compounds B.) Safe for use on human skin C.) Used on surfaces and instruments D.) Used to kill pathogenic microbes |
B.) Safe to use on human skin |
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Which needle gauge has the largest lumen? A.) 18 B.) 20 C.) 21 D.) 22 |
A.) 18 |
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What is the purpose of an antiglycolytic agent? A.) Precent clotting B.) Enhance the clotting process C.) Inhibit electrolyte breakdown D.) Preserved glucose |
D.) Preserve glucose |
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A pink top tube containing EDTA is primarily used for A.) Blood bank tests B.) Chemistry tests C.) Coagulation tests D.) Microbiology tests |
A.) Blood bank tests |
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This is an example of a pre-analytical error made at the time of collection A.) Delaying transporting B.) Incomplete requisition C.) Failing to mix tubes D.) Waiting to centrifuge |
C.) Failing to mix tubes |
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The most important part of specimen collection is A.) Having the right equipment B.) Cleaning the venipuncture site with an antiseptic C.) Patient identification D.) Clicking an extra tube in case a doctor request additional lab tests |
C.) Patient identification |
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A panic value is A.) Result that cannot be repeated B.) Sign of an instrument malfunction C.) Test control that is out of range D.) Significantly abnormal test results |
D.) Significantly abnormal test results |
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Proper specimen handling begins A.) When the physician orders the test B.) During the patient identification C.) As soon as the specimen is collected D.) During specimen collection procedures |
A.) When the physician orders the test |
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When a non additive specimen is spun in a centrifuge, the substance that comes to the top of the tube is the A.) Buffy coat B.) Plasma C.) Serum D.) Red cells |
C.) Serum |
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Which of the following actions will compromise the quality of the specimen? A.) Drawing a BUN in an amber serum tube B.) Mixing an SST tube by inverting it five times C.) Partially filling a liquid EDTA tube D.) All of the above |
C.) Partially filling a liquid EDTA tube |
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The slanted tip of the needle is called the A.) Bevel B.) Hub C.) Lumen D.) Shaft |
A.) Bevel |
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HIPAA was enacted to A.) Examine all patient Health Care records B.) Protect healthcare workers from malpractice issues C.) Provide guidelines for sharing of PHI D.) Standardize patient electronic records |
C.) Provide guidelines for sharing of PHI |
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Which of the following is a disinfectant? A.) Benzalkonium chloride B.) Chlorhexidine gluconate C.) Hydrogen peroxide D.) Household bleach |
D.) Household bleach |
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During the venipuncture, the tourniquet should not be left on longer than A.) 30 seconds B.) 1 minute C.) 2 minutes D.) 3 minutes |
B.) 1 minute |
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Vigorous mixing of an anticoagulant tube can lead to A.) Hemolysis of the specimen B.) Clots in the specimen C.) Specimen clotting too quickly D.) Lipemia of the specimen |
A.) Hemolysis of the specimen |
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Which blood specimen additive can inhibit the metabolism of glucose by the cells? A.) EDTA B.) Heparin C.) Sodium fluoride D.) Oxalate |
C.) Sodium fluoride |
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Heparin prevents clotting by A.) Activating calcium B.) Binding calcium C.) Activating thrombin D.) Inhibiting thrombin |
D.) Inhibiting thrombin |
