#1
What is the primary purpose of quality assurance in phlebotomy?
To ensure accurate and reliable test results
To increase the speed of blood collection procedures
To reduce costs associated with phlebotomy services
To provide additional training opportunities for phlebotomists
#2
Which of the following is NOT a component of proper documentation in phlebotomy?
Patient's date of birth
Phlebotomist's favorite color
Date and time of blood collection
Location of blood draw
#3
Which of the following is an example of a pre-analytical error in phlebotomy?
Mislabeling blood tubes
Performing tests without proper authorization
Interpreting test results inaccurately
Calibrating laboratory equipment incorrectly
#4
What is the recommended site for routine venipuncture in adults?
Dorsal hand veins
Radial artery
Femoral vein
Antecubital veins
#5
Which of the following is a common complication of prolonged tourniquet application during venipuncture?
Hematoma formation
Increased blood flow to the vein
Reduced blood flow distal to the tourniquet
Decreased vein visibility
#6
What is the primary purpose of centrifuging blood samples after collection?
To prevent blood coagulation
To mix the blood with anticoagulant
To separate components of blood for analysis
To sterilize the blood
#7
What is the purpose of using antiseptic wipes before venipuncture?
To cool down the skin
To moisturize the skin
To sterilize the skin
To mark the vein
#8
Which of the following is a crucial step in preventing hemolysis during blood collection?
Using a smaller gauge needle
Applying a tourniquet for an extended period
Inverting blood tubes gently
Failing to properly anchor the vein
#9
Which of the following is NOT a symptom of syncope (fainting) in a patient during blood collection?
Pale skin
Increased heart rate
Sweating
Loss of consciousness
#10
What does the term 'chain of custody' refer to in phlebotomy?
The process of documenting a blood sample's handling and storage
The physical restraint used during blood collection
The hierarchy within a phlebotomy department
The type of needle used for venipuncture
#11
Which of the following factors can affect the quality of blood specimen collected for testing?
Phlebotomist's handwriting
Patient's ethnicity
Ambient temperature
Number of hours the patient has been fasting
#12
What is the purpose of a requisition form in phlebotomy?
To authorize the release of test results to the patient
To request specific tests to be performed on a blood sample
To record the phlebotomist's personal information
To provide instructions on proper vein selection
#13
In phlebotomy, what does the acronym CLSI stand for?
Clinical Laboratory Standards Institute
Certified Lab Science Institute
Central Laboratory Services International
Clinical Laboratory Science Institute
#14
What is the purpose of a tourniquet during venipuncture?
To sterilize the skin
To numb the area
To prevent blood from flowing out of the vein
To dilate the veins
#15
Which of the following tests typically requires a fasting blood sample?
Complete blood count (CBC)
Glucose tolerance test (GTT)
Thyroid panel
Lipid profile
#16
Which of the following is a recommended action if a patient experiences a vasovagal reaction during venipuncture?
Administer epinephrine immediately
Leave the patient alone until symptoms subside
Promptly remove the tourniquet and needle
Continue drawing blood to complete the procedure
#17
Which of the following is a recommended action if a patient refuses to have blood drawn?
Forcefully proceed with the venipuncture
Ask the patient's family to convince them to comply
Respect the patient's decision and document refusal
Ignore the refusal and proceed with the procedure