#1
Which of the following veins is commonly used for venipuncture?
Cephalic vein
ExplanationA commonly used vein due to accessibility and size.
#2
What is the correct procedure for disposing of used needles and sharps?
Dispose of them in a designated sharps container
ExplanationEnsures safe disposal and prevents accidental needlestick injuries.
#3
Which of the following is NOT a recommended site for venipuncture?
Femoral vein
ExplanationHigh risk of complications due to proximity to major arteries and nerves.
#4
What is the primary purpose of palpating the vein before venipuncture?
To assess the vein's size and depth
ExplanationDetermines suitable site and reduces risk of vein collapse.
#5
Which of the following is a correct technique to stop bleeding after venipuncture?
Hold pressure on the site until bleeding stops, then apply a bandage
ExplanationPromotes clot formation and prevents further bleeding.
#6
Which of the following actions is NOT recommended during phlebotomy procedure documentation?
Writing the patient's medical diagnosis
ExplanationPreserves patient confidentiality and prevents potential legal issues.
#7
What is the appropriate disposal method for used gloves and other personal protective equipment (PPE) after completing phlebotomy procedures?
Dispose of them in a biohazard waste container
ExplanationMinimizes risk of contamination and adheres to safety protocols.
#8
Which of the following veins is typically chosen for blood donation?
Medial cubital vein
ExplanationAccessible and large vein suitable for blood collection.
#9
What is the first step a phlebotomist should take upon entering a patient's room for blood collection?
Wash hands thoroughly
ExplanationPrevents transmission of infections and ensures hygiene.
#10
What is the recommended angle for venipuncture needle insertion?
30 degrees
ExplanationOptimal angle to minimize vein trauma and facilitate blood flow.
#11
What is the purpose of a tourniquet during venipuncture?
To engorge the vein with blood
ExplanationEnhances vein visibility and facilitates blood draw.
#12
Which of the following is an appropriate technique for capillary puncture on an infant?
Puncturing the heel
ExplanationPreferred site due to accessibility and less pain.
#13
What is the correct order of draw when using multiple evacuated tubes for blood collection?
Light blue, green, lavender, red
ExplanationEnsures accurate test results by preventing cross-contamination.
#14
What is the purpose of gently inverting blood collection tubes after collection?
To mix additives with blood
ExplanationEnsures proper mixing of blood with anticoagulants or additives.
#15
Which of the following is a potential complication of venipuncture?
Hematoma
ExplanationCaused by blood leakage into surrounding tissue.
#16
What should a phlebotomist do if a patient complains of feeling dizzy during blood collection?
Immediately stop the procedure and lay the patient down
ExplanationPrevents injury and mitigates risk of syncope.
#17
Which of the following is NOT a recommended step in the process of venipuncture?
Inserting the needle with the bevel facing upward
ExplanationIncreases risk of injury and improper blood flow.
#18
What is the primary reason for discarding the first few milliliters of blood during venipuncture?
To reduce the risk of contamination with tissue fluid
ExplanationEnsures sample purity and accuracy of test results.
#19
What is the primary purpose of a blood culture collection?
To detect bacterial infection
ExplanationIdentifies pathogens causing bloodstream infections.
#20
Which of the following is a proper technique for handling blood culture specimens?
Transport the specimen to the laboratory immediately
ExplanationMinimizes risk of contamination and ensures accurate results.
#21
What is the primary reason for warming the site before a capillary puncture?
To increase blood flow to the area
ExplanationFacilitates sample collection and reduces pain.
#22
What is the primary purpose of the Chain of Custody form in blood sample collection?
To document the handling of the specimen for legal purposes
ExplanationMaintains sample integrity and ensures admissibility in legal proceedings.
#23
What is the recommended depth for capillary puncture lancets on adult patients?
1.5 to 2.4 mm
ExplanationEnsures adequate blood flow without causing excessive pain or tissue damage.
#24
What should a phlebotomist do if a patient experiences syncope (fainting) during blood collection?
Lower the patient's head and elevate the legs
ExplanationRestores blood flow to the brain and prevents further injury.
#25
What is the primary purpose of phlebotomy safety measures?
To prevent the spread of infectious diseases
ExplanationProtects both patients and healthcare workers from infections.