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Questions and Answers
What is the initial step in the laboratory testing process according to the text?
What is the initial step in the laboratory testing process according to the text?
Which type of blood is usually the specimen of choice for analysis?
Which type of blood is usually the specimen of choice for analysis?
What method is mainly used for blood gas analyses?
What method is mainly used for blood gas analyses?
In what phase can laboratory practice be traditionally divided into?
In what phase can laboratory practice be traditionally divided into?
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What role does phlebotomy play in patient care according to the text?
What role does phlebotomy play in patient care according to the text?
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Where should the phlebotomist wear personal protective equipment (PPE) according to the text?
Where should the phlebotomist wear personal protective equipment (PPE) according to the text?
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Why should the tourniquet be released once blood flow is established during venipuncture?
Why should the tourniquet be released once blood flow is established during venipuncture?
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What is the purpose of clenching the fist before venipuncture, according to the text?
What is the purpose of clenching the fist before venipuncture, according to the text?
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How can dehydration contribute to hemoconcentration?
How can dehydration contribute to hemoconcentration?
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What is a common reason for sample rejection in laboratories, as mentioned in the text?
What is a common reason for sample rejection in laboratories, as mentioned in the text?
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Why should clenching the fist be avoided before collecting specimens for clinical laboratory analysis?
Why should clenching the fist be avoided before collecting specimens for clinical laboratory analysis?
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What happens if a tourniquet is maintained for longer than 1 minute during venipuncture?
What happens if a tourniquet is maintained for longer than 1 minute during venipuncture?
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Where should a tourniquet be applied before venipuncture?
Where should a tourniquet be applied before venipuncture?
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What is the correct angle to enter the vein during venipuncture?
What is the correct angle to enter the vein during venipuncture?
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When should the tourniquet be released during blood collection?
When should the tourniquet be released during blood collection?
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How should sharps and broken glass be disposed of after blood collection?
How should sharps and broken glass be disposed of after blood collection?
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What should be done after withdrawing the needle during blood collection?
What should be done after withdrawing the needle during blood collection?
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What is the appropriate duration for disinfecting the venipuncture site with 70% isopropyl alcohol?
What is the appropriate duration for disinfecting the venipuncture site with 70% isopropyl alcohol?
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What is the recommended method to prevent clot formation in blood specimens?
What is the recommended method to prevent clot formation in blood specimens?
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Which potential pre-analytical error is addressed by ensuring proper blood-to-additive ratios?
Which potential pre-analytical error is addressed by ensuring proper blood-to-additive ratios?
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What can happen if blood samples are not processed within 2 hours?
What can happen if blood samples are not processed within 2 hours?
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How can slow blood flow during collection be addressed to prevent pre-analytical errors?
How can slow blood flow during collection be addressed to prevent pre-analytical errors?
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What is the potential consequence of not following recommended processing times for blood samples?
What is the potential consequence of not following recommended processing times for blood samples?
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What role does proper patient instruction play in preventing pre-analytical errors?
What role does proper patient instruction play in preventing pre-analytical errors?
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What is the major impact of an increased anticoagulant-to-specimen ratio on a specimen?
What is the major impact of an increased anticoagulant-to-specimen ratio on a specimen?
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In the recommended order of draw for plastic vacuum tubes, which tube is used for preserving viability of microorganisms for microbiology testing?
In the recommended order of draw for plastic vacuum tubes, which tube is used for preserving viability of microorganisms for microbiology testing?
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Which tube forms calcium salts to remove calcium in the process of blood collection?
Which tube forms calcium salts to remove calcium in the process of blood collection?
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What is the purpose of a serum separator tube (red-grey tiger top or gold) in blood collection?
What is the purpose of a serum separator tube (red-grey tiger top or gold) in blood collection?
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Which anticoagulant is present in a PST tube (light green top) and separates plasma with a gel at the bottom of the tube?
Which anticoagulant is present in a PST tube (light green top) and separates plasma with a gel at the bottom of the tube?
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Which tube contains sodium fluoride and potassium oxalate, serving as an antiglycolytic agent to preserve glucose for up to five days?
Which tube contains sodium fluoride and potassium oxalate, serving as an antiglycolytic agent to preserve glucose for up to five days?
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