#1
What is the primary purpose of quality assurance in phlebotomy?
To ensure accurate and reliable test results
ExplanationQuality assurance in phlebotomy is aimed at maintaining accuracy and reliability in test outcomes.
#2
Which of the following is NOT a component of proper documentation in phlebotomy?
Phlebotomist's favorite color
ExplanationProper documentation in phlebotomy excludes personal preferences such as the phlebotomist's favorite color.
#3
Which of the following is an example of a pre-analytical error in phlebotomy?
Mislabeling blood tubes
ExplanationMislabeling blood tubes is a pre-analytical error in phlebotomy, affecting the accuracy of test results.
#4
What is the recommended site for routine venipuncture in adults?
Antecubital veins
ExplanationThe antecubital veins are the recommended site for routine venipuncture in adults due to accessibility and reduced risk.
#5
Which of the following is a common complication of prolonged tourniquet application during venipuncture?
Reduced blood flow distal to the tourniquet
ExplanationProlonged tourniquet application can lead to reduced blood flow distal to the tourniquet, impacting the quality of the blood sample.
#6
What is the primary purpose of centrifuging blood samples after collection?
To separate components of blood for analysis
ExplanationCentrifuging blood samples after collection is done to separate blood components, facilitating various analyses.
#7
What is the purpose of using antiseptic wipes before venipuncture?
To sterilize the skin
ExplanationAntiseptic wipes are employed before venipuncture to sterilize the skin, minimizing the risk of infection.
#8
Which of the following is a crucial step in preventing hemolysis during blood collection?
Inverting blood tubes gently
ExplanationInverting blood tubes gently is critical in preventing hemolysis, preserving the integrity of the blood sample.
#9
Which of the following is NOT a symptom of syncope (fainting) in a patient during blood collection?
Increased heart rate
ExplanationIncreased heart rate is not a symptom of syncope during blood collection; it's more indicative of anxiety or stress.
#10
What does the term 'chain of custody' refer to in phlebotomy?
The process of documenting a blood sample's handling and storage
ExplanationChain of custody in phlebotomy involves documenting the complete handling and storage process of a blood sample for legal or tracking purposes.
#11
Which of the following factors can affect the quality of blood specimen collected for testing?
Ambient temperature
ExplanationAmbient temperature is a factor that can affect the quality of blood specimens collected for testing.
#12
What is the purpose of a requisition form in phlebotomy?
To request specific tests to be performed on a blood sample
ExplanationA requisition form in phlebotomy is used to request specific tests to be performed on a blood sample, providing necessary information to the laboratory.
#13
In phlebotomy, what does the acronym CLSI stand for?
Clinical Laboratory Standards Institute
ExplanationCLSI in phlebotomy stands for the Clinical Laboratory Standards Institute, setting industry standards for laboratory testing.
#14
What is the purpose of a tourniquet during venipuncture?
To dilate the veins
ExplanationThe tourniquet's purpose during venipuncture is to dilate the veins, making it easier to locate and access.
#15
Which of the following tests typically requires a fasting blood sample?
Lipid profile
ExplanationA lipid profile test typically requires a fasting blood sample to obtain accurate baseline measurements.
#16
Which of the following is a recommended action if a patient experiences a vasovagal reaction during venipuncture?
Promptly remove the tourniquet and needle
ExplanationPromptly removing the tourniquet and needle is a recommended action if a patient experiences a vasovagal reaction during venipuncture, preventing further complications.
#17
Which of the following is a recommended action if a patient refuses to have blood drawn?
Respect the patient's decision and document refusal
ExplanationWhen a patient refuses to have blood drawn, it is recommended to respect their decision and thoroughly document the refusal for proper record-keeping.