BD All Modules - Study guides, Class notes & Summaries
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BD All Modules Exam Study Guide (2025/2026 Syllabus)
BD All Modules Exam Study Guide (2025/2026 Syllabus) 
Module 1: Specimen Collection & Handling 
1. What is the primary purpose of the order of draw during venipuncture? 
 ANSWER To minimize the risk of sample contamination and cross-contamination 
between different types of collection tubes, ensuring accurate test results. 
2. Why is a sodium citrate (light blue) tube filled to its precise volume? 
 ANSWER The blood-to-anticoagulant ratio is critical. Under-filling alters this ratio, 
fa...