This question-specific review guide is tied to the answer reasoning for a PracticeTestVault item. Use it after you answer the question so the review stays focused on what the prompt actually tested.
What this question is testing
Objective: Apply the correct order of draw
Prompt focus: During a multi tube venipuncture collection, in what order should a light blue citrate tube and a lavender EDTA tube be drawn relative to each other?
Why the correct answer works
The light blue tube before the lavender tube
Correct. The light blue citrate tube is drawn before the lavender EDTA tube in the standard order of draw.
Why the tempting wrong answer fails
Incorrect. Order of draw must be followed to prevent additive cross contamination.
Plain-language takeaway
The order of draw prevents additive carryover. The coagulation tube is drawn before tubes with anticoagulants that could contaminate it.
Simple analogy
Think of apply the correct order of draw like following a short checklist: identify the clue, confirm the rule, and then make the move that fits this exact scenario.
How to review it before a retake
- Underline the command word and name what the question is asking before rereading the choices.
- Compare the correct answer against the closest distractor and write the exact detail that separates them.
- Retest this objective with a fresh question without looking at the rationale first.