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Free phlebotomy practice test
A free phlebotomy practice test with real-style phlebotomy questions: order of draw, tube stopper colours and additives, venipuncture technique and specimen handling. Instant scoring in your browser — fresh set every reload, no account, nothing uploaded.
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Real numbers
What the standards say
| Rule / Fact | Detail |
|---|---|
| Order of draw (start) | Blood culture → light-blue (citrate) → red/gold (serum) → green (heparin) → lavender (EDTA) → grey (fluoride) (CLSI GP41 order of draw) |
| Tube colour = additive | Lavender=EDTA (hematology/CBC) · Light-blue=sodium citrate (coagulation) · Green=heparin (plasma chemistry) · Gold=SST (serum chemistry) · Grey=fluoride (glucose) (standard tube-colour practice) |
| Patient ID | Two unique identifiers (full name + date of birth) matched to the requisition; never identify by room number (standard patient-safety practice) |
| Specimen rejection | Mislabeled, hemolyzed, clotted or under-filled specimens must be rejected and redrawn (standard specimen-quality policy) |
Sources: NHA/ASCP published exam information + CLSI GP41 order of draw + OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030) + CDC standard precautions — verified 2026-09-21. Unofficial practice site; not affiliated with NHA, ASCP, NCCT or AMCA.
Why practice with numbers? Phlebotomy exams are rule-heavy: the order of draw, tube stopper colours and their additives, patient-identification steps and OSHA safety rules come up again and again. Memorising the key facts — blood culture first, lavender=EDTA, light-blue=citrate, two patient identifiers, needle at 15–30 degrees — covers a large share of the scored questions. This page's questions are built around those rules so the facts stick.
How to use this page: answer each question, note whether you got it right, and read the explanation either way. The explanations are where most of the learning happens — they connect each question to the underlying standard so you can answer a differently-worded version of the same idea on exam day.
One practical tip: drill the order of draw until you can recite it without thinking — it is the single most-tested routine fact in phlebotomy exams, and getting it wrong in practice means contaminated samples in the lab. Aim to score above 80% on three consecutive practice sets before booking the real exam.
Finally, treat this page as a warm-up rather than a substitute for the official material. The questions here mirror the exam's style and topics, but the credentialing organization's official outline and your program's materials remain the authoritative sources for every rule tested.
FAQ
Common questions
How many questions are on the NHA CPT exam?
The NHA Certified Phlebotomy Technician exam has 100 scored questions plus 20 pretest (unscored) items. Passing is based on the 100 scored questions (NHA published exam information).
What is the order of draw?
Blood culture → light-blue (citrate) → red/gold (serum) → green (heparin) → lavender (EDTA) → grey (fluoride). It prevents additive carryover between tubes (CLSI GP41).
Do practice tests here match the real exam?
They mirror the topics and style of the real exam, written from public phlebotomy standards — original questions, never copied from other quiz sites.
Can I retake the test?
Yes — reload or click start again for a freshly shuffled set from the same bank.
Is there an account or fee?
No account, no fee, nothing uploaded. The quiz runs entirely in your browser.
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