PRACTICE QUESTIONS AND ANSWERS: THE MOST RECENT
AND COMPREHENSIVE VERSION WITH VERIFIED ANSWERS;
GUARANTEED PASS WITH INSTANT PDF DOWNLOAD.
Exam Overview:
This fully comprehensive exam assesses competency in all major domains required for certification as a Phlebotomy
Technician. It mirrors real licensing examinations and includes:
Anatomy & Physiology (circulatory system, lymphatic system, integumentary system)
Medical Terminology
Infection Control & Safety (OSHA, CDC standards, Standard Precautions)
Equipment & Supplies
Venipuncture & Capillary Collection Procedures
Order of Draw & Additives
Specimen Handling, Processing & Transport
Quality Assurance & Pre-analytical Variables
Special Collections (blood cultures, glucose tolerance, PKU, ABG basics awareness)
Pediatric, Geriatric & Special Needs Patients
Legal & Ethical Issues (HIPAA, consent, scope of practice)
Professional Communication & Patient Care
Complications & Emergency Procedures
Laboratory Operations & Documentation
1. The primary function of erythrocytes is to:
A. Fight infection
B. Promote clotting
C. Transport oxygen to tissues
D. Produce antibodies
Rationale: Erythrocytes contain hemoglobin, which binds and transports oxygen.
2. The preferred vein for routine venipuncture in adults is the:
A. Basilic vein
B. Cephalic vein
C. Radial vein
D. Median cubital vein
,Rationale: The median cubital vein is well anchored and has lower risk of
complications.
3. Which additive is found in a lavender-top tube?
A. Sodium citrate
B. EDTA
C. Heparin
D. Sodium fluoride
Rationale: Lavender-top tubes contain EDTA, used for hematology tests.
4. The correct order of draw begins with:
A. Lavender
B. Green
C. Blood culture bottles
D. Gray
Rationale: Blood cultures are collected first to prevent contamination.
5. A patient begins to faint during blood draw. The phlebotomist should
FIRST:
A. Continue quickly
B. Remove tourniquet only
C. Remove needle and ensure patient safety
D. Call physician immediately
Rationale: Safety first—remove needle to prevent injury.
6. Standard Precautions apply to:
A. Only known infected patients
, B. Only blood
C. Only body fluids
D. All patients
Rationale: Standard Precautions treat all blood and body fluids as potentially
infectious.
7. Hemolysis most commonly results from:
A. Large gauge needle
B. Gentle inversion
C. Forceful syringe transfer
D. Proper tourniquet use
Rationale: Excessive force causes RBC rupture.
8. The anticoagulant in light blue tubes is:
A. EDTA
B. Sodium citrate
C. Heparin
D. Oxalate
Rationale: Sodium citrate preserves coagulation factors.
9. Capillary puncture in infants is performed on:
A. Great toe
B. Arch of foot
C. Lateral heel surface
D. Center of heel
Rationale: Lateral heel avoids bone injury.
, 10.The most important step in patient identification is:
A. Room number
B. Bed number
C. Two unique identifiers
D. Verbal confirmation only
Rationale: Two identifiers reduce misidentification errors.
11.If no veins are palpable, the phlebotomist should:
A. Probe aggressively
B. Attempt wrist immediately
C. Apply warm compress
D. Draw from foot
Rationale: Warmth increases vasodilation.
12.A tourniquet should not remain applied longer than:
A. 30 seconds
B. 1 minute
C. 2 minutes
D. 5 minutes
Rationale: Prolonged application alters results.
13.The first drop of capillary blood is wiped away because:
A. It clots
B. It is contaminated with tissue fluid
C. It is too dark
D. It may contain tissue fluid contamination