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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
Which additive prevents glycolysis? |
a. EDTA b. Heparin c. Potassium oxalate d. Sodium fluoride |
d. Sodium fluoride |
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The following supplies were gathered for a routine venipuncture. Which item is incorrect? |
a. ETS tubes b. Iodine swab c. Safety needle d. Tourniquet |
a. ETS tubes |
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Which of the following tubes can be used to collect a serum specimen? |
a. Light-blue top b. Green top c. PST d. Red top |
d. Red top |
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A tourniquet is used in venipuncture to: |
a. concentrate the blood specimen.
|
b. find and enter veins more easily. |
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You are about to perform routine venipuncture |
a. 5.25% sodium hypochlorite |
b. 70% isopropyl alcohol |
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Which of the following needles has the largest |
a. 18 gauge b. 20 gauge c. 21 gauge d. 23 gauge |
a. 18 gauge |
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What causes evacuated tubes to fill with blood automatically? |
a. Arterial blood pressure |
d. Premeasured tube vacuum |
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Lavender-top tubes are most commonly used to |
a. chemistry tests. |
c. hematology tests. |
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Of the following tubes or containers, which is filled last in the recommended order of draw? |
a. Blood culture bottle b. Lavender top c. Light-blue top d. Red top |
b. Lavender top |
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A butterfly is typically used for: |
a. coagulation specimens. |
b. difficult and hand veins. |
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An antiglycolytic agent: |
a. enhances coagulation.
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d. prevents the breakdown of glucose. |
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Sharps containers do not have to be: |
a. marked “biohazard.” |
d. recyclable. |
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Which of the following substances would be the best thing to use to disinfect a blood spill on a lab countertop |
a. A 1:10 dilution of bleach |
a. A 1:10 dilution of bleach |
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This needle is the standard needle for routine venipuncture. |
a. 20 gauge |
b. 21 gauge |
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Needles are color-coded according to: |
a. expiration date. |
b. gauge. |
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The most common, direct, and efficient means of venipuncture is: |
a. butterfly and tube holder. |
c. ETS needle and tube holder. |
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Which of the following would be the best choice of equipment for drawing a small hand vein? |
a. A 21-gauge needle and syringe |
c. A 23-gauge butterfl y and ETS holder |
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Which of the following equipment is required in collecting blood by syringe? |
a. Multisample needle |
c. Transfer device |
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Which anticoagulant prevents coagulation by inhibiting thrombin formation? |
a. EDTA |
b. Heparin |
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Which of the following tubes would typically be used to collect plasma for a stat chemistry specimen? |
a. Light-blue top |
b. Green top |
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EDTA is a(n): |
a. anticoagulant. |
a. anticoagulant. |
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A light-blue–topped tube is most often associated with tests in this department. |
a. Chemistry |
b. Coagulation |
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Of the following tubes, which would be filled second from a syringe according to the CLSI recommended order |
a. Gray top |
c. Light-blue top |
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A PST contains: |
a. citrate and gel. |
c. heparin and gel. |
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Of the following tubes or containers, which is filled first in the ETS order of draw? |
a. Lavender top |
b. Light-blue top |
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For which of the following tubes is the blood-to-additive ratio most critical? |
a. Green top |
c. Light-blue top |
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Which of the following additives provides a physical barrier to prevent glycolysis? |
a. EDTA |
c. Sodium fluoride |
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Which of the following tubes contains an anticoagulant that works by binding calcium? |
a. Green top |
b. Light-blue top |
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What is the purpose of a royal blue–topped tube? |
a. Minimize trace-element contamination |
a. Minimize trace-element contamination |