ASCP Phlebotomy Technician (PBT) practice test

A phlebotomist is collecting a light blue tube for coagulation studies followed by a lavender EDTA tube. Why is correct order of draw important between these tubes?

Before performing a venipuncture, a phlebotomist applies a tourniquet to the patient's arm. To avoid inaccurate test results from hemoconcentration, the tourniquet should not remain in place longer than which time limit?

When performing a routine venipuncture in the antecubital fossa, which vein is generally the preferred first choice because it is large and well anchored?

Immediately after completing a venipuncture, what is the correct way for a phlebotomist to dispose of the contaminated needle?

A phlebotomist collects a lavender EDTA tube for a complete blood count. Immediately after collection, what must be done to the tube to ensure an accurate result?

Before performing any venipuncture, a phlebotomist must correctly identify the patient. Which method meets the standard for proper patient identification on an inpatient unit?

A phlebotomist performs a dermal puncture to collect capillary blood from an adult patient's finger. Which finger site is most appropriate for this collection?

A phlebotomist enters a patient's room and the patient verbally refuses to have blood drawn. What is the most appropriate action for the phlebotomist?

A phlebotomist collects a specimen that must be protected from light to prevent the breakdown of the analyte. Which test most commonly requires a light-protected specimen?

During a venipuncture, the phlebotomist notes that blood stops flowing into the tube even though the needle is still in the vein. The vein appears to have collapsed. What is the best initial action?

A phlebotomist sustains an accidental needlestick injury from a contaminated needle while disposing of it. What is the recommended immediate first step?

A phlebotomist must avoid drawing blood from an arm on the same side as a recent mastectomy. What is the primary reason for avoiding venipuncture on that side?

A phlebotomist is selecting an antiseptic to clean the venipuncture site for a routine blood draw. Which antiseptic is most commonly used for routine venipuncture site cleansing?

A phlebotomist notices that a serum specimen appears pink-tinged. Hemolysis has occurred. Which test result is most likely to be falsely affected by hemolysis?

A pediatric patient is frightened and crying before a blood draw. Which approach by the phlebotomist best supports a successful collection?

During a multi-tube venipuncture, the phlebotomist must collect a serum separator tube and a sodium fluoride tube for a glucose test. According to the order of draw, which is collected last among the standard additive tubes?

After completing a venipuncture and removing the needle, what should the phlebotomist do to promote hemostasis at the puncture site?

Standard precautions are a foundational concept in phlebotomy safety. Which statement best describes the principle of standard precautions?

A phlebotomist mislabels a specimen tube with the wrong patient's name. Recognizing the error, which action best reflects proper professional and legal practice?