NHA CCMA Order of Draw Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

NHA CCMA Order of Draw Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which tube is typically drawn first in the standard blood collection order? Blood culture tube What color tube is used for coagulation studies like PT and PTT? Light blue Which tube contains a clot activator and is used for serum tests? Red Which tube contains a gel separator for serum chemistry testing? Gold or SST (Serum Separator Tube) Which tube is used for complete blood count (CBC) testing? Lavender 2 What additive is in the green top tube used for plasma chemistry tests? Heparin Which tube is drawn after blood cultures in the correct order of draw? Light blue Which tube contains EDTA and is used for hematology testing? Lavender What is the purpose of the gray top tube? Contains sodium fluoride and potassium oxalate for glucose testing Which tube is used for blood glucose testing in a fasting patient? Gray Why is it important to follow the correct order of draw? To prevent cross-contamination of additives between tubes 3 Which tube is used for trace element testing? Royal blue Which tube is drawn for serum chemistry panels? Red or gold What additive is in the light blue tube? Sodium citrate Which tube is used for blood alcohol testing? Gray Which tube is drawn last when using a standard vacutainer set? Gray What tube is used for electrolyte testing? Green 4 Why must the light blue tube be filled completely? To maintain the correct blood-to-additive ratio for accurate coagulation results Which tube contains a clot activator but no gel?