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Flashcards in this deck (23)
  • What is the antiseptic of choice for blood collection?

    Chlorhexidine

    70% alcohol

    Benzalkonium Chloride

    Hydrogen Peroxide

    clinical chemistry antiseptic
  • What is the standard gauge for needles used in phlebotomy?

    18 gauge

    21 gauge

    25 gauge

    22 gauge

    clinical chemistry needles
  • What should be done immediately after removing the needle from the puncture site?

    Clean the site with alcohol

    Apply pressure with a gauze pad

    Label the specimen

    Recap the needle

    clinical chemistry postcollection
  • What is the maximum time a tourniquet should be left on a patient according to CLSI guidelines?

    5 minutes

    2 minutes

    3 minutes

    1 minute

    clinical chemistry tourniquet
  • What is the order of draw for blood collection?

    B-C-R-R-H-E-S

    S-E-H-B-C-R

    C-R-B-H-E-S

    R-H-E-S-B-C

    clinical chemistry orderofdraw
  • What complication is most common in blood collection?

    Ecchymosis

    Fainting

    Nerve Damage

    Nausea

    clinical chemistry complications
  • What should be done if an artery is hit during venipuncture?

    Withdraw syringe and apply pressure for 5 minutes

    Apply ice to the area

    Call for a doctor immediately

    Continue with the collection

    clinical chemistry artery
  • What is the preferred site for arterial puncture?

    Wrist

    Shoulder

    Elbow

    Ankle

    clinical chemistry arterialpuncture
  • What is the purpose of the Modified Allen test?

    To evaluate blood gas

    To assess collateral circulation

    To determine needle size

    To check blood pressure

    clinical chemistry allen
  • What is the depth of incision for skin puncture in infants?

    <1.5mm

    <2.0mm

    <2.5mm

    <3.0mm

    clinical chemistry skinpuncture
  • What is a common cause of hemolysis during blood collection?

    Slow pulling plunger

    Using a large needle

    Too small needle

    Transferring blood slowly

    laboratory hemolysis
  • What is the main goal of Six Sigma?

    To increase production speed

    To eliminate all waste

    To improve customer satisfaction

    To reduce the number of defects to near zero

    quality six_sigma
  • What does TQM stand for?

    Total Quality Management

    Total Quality Method

    Total Quality Monitoring

    Total Quality Measure

    quality management
  • What is the purpose of quality control in a laboratory?

    Minimizing costs

    Reducing testing time

    Increasing sample size

    Ensuring accuracy and precision

    quality control
  • What does the acronym PDCA stand for in Lean Six Sigma?

    Plan, Do, Check, Act

    Plan, Develop, Control, Act

    Prepare, Develop, Check, Act

    Prepare, Do, Check, Adjust

    lean six_sigma
  • What is sensitivity in quality control?

    Ability to measure only the analyte

    Closeness to the true value

    Ability to measure the smallest concentration

    Ability to give same results

    quality sensitivity
  • Which of the following is a parameter of quality control?

    Complexity

    Specificity

    Speed

    Cost-effectiveness

    quality parameters
  • What does reliability refer to in laboratory testing?

    Ability to reduce costs

    Ability to maintain accuracy over time

    Ability to increase speed

    Ability to test multiple samples

    quality reliability
  • What is the purpose of a standard operating procedure (SOP)?

    To train new employees

    To analyze blood samples

    To monitor patient care

    To provide a set of instructions for laboratory methods

    quality sop
  • What is the formula for positive predictive value?

    TP / (TP + FP) x 100

    FP / (TP + TN) x 100

    TN / (TN + FP) x 100

    TP / (TP + FN) x 100

    quality predictive_value
  • What does a confirmatory test require for accuracy?

    Low sensitivity

    High specificity

    Low specificity

    High sensitivity

    medical testing
  • What is the formula for calculating True Negative Rate (TNR)?

    TN / (TN + FP) x 100

    TP / (TP + FP) x 100

    FP / (FP + TN) x 100

    TP / (TP + FN) x 100

    medical statistics
  • What does Negative Predictive Value (NPV) represent?

    Probability that subjects with a negative test have the disease

    Probability that subjects with a positive screening test truly don't have the disease

    Probability that subjects with a positive test truly have the disease

    Probability that subjects with a negative screening test truly don't have the disease

    medical statistics