NHCO Order of Draw Practice Test

These questions are part of the practice quiz. Start practicing

• If a patient begins to faint during a blood draw, what is the primary safety action?
• ACD stands for what?
• Which item is listed as a main source of phlebotomy errors related to equipment and supplies?
• Which position in the order of draw should the light blue be collected?
• Which tube contains EDTA as an additive?
• What is the practical outcome of not following the standard order of draw?
• What should you do if a tube arrives broken or cracked?
• Which color tube top is used for plasma collection with heparin anticoagulant?
• How many times should EDTA tubes be inverted after collection?
• Which statement correctly distinguishes lavender top and gray top tubes?
• What is the stated purpose of thrombin in an activator tube?
• Which statement describes the mechanism by which citrate anticoagulation inhibits clot formation?
• How should you transport specimens to the lab to maintain integrity?
• Gold tubes correspond to which draw?
• Which position corresponds to the fifth tube in microcollection order?
• Which color would you expect for the 2nd draw?
• Which guideline best reflects proper response to a fainting episode during phlebotomy?
• What is the purpose of the thixotropic gel?
• Which PPE is typically required for phlebotomy collection?
• Which priority is most appropriate when a patient shows signs of syncope during a blood draw?
• Why is citrate not available for microcollection?
• What should be avoided to maintain labeling integrity?
• When fainting is possible during blood collection, what should the technician prioritize?
• Vertigo / syncope during phlebotomy is best described as which symptom?
• Which factor is a main source of phlebotomy errors related to patient identification?
• What should you do if a sample arrives with a broken tube and is unusable?
• What laboratory tests are performed on blood collected in gold tubes?
• Which additive is present in grey top tubes used for glucose testing?
• Royal Blue tubes correspond to which draw?
• What is the difference between serum and plasma?
• How can obesity or dehydration affect vein selection and sample quality?
• What is a recommended method to aid vein palpation when veins are difficult to feel?
• Why is the micro collection container for gold tube amber?
• For the 3rd draw, which color tube is typically used?
• How should a specimen appearing lipemic or icteric be handled?
• Which color tube top is used for serum with a gel separator?
• Which of the following is NOT listed as a laboratory test performed on blood collection in ACD tubes?
• Which tube contains potassium oxalate and fluoride and is used for glucose testing?
• Light blue tubes correspond to which draw in the order of draw?
• Which tube contains EDTA and is most commonly used for complete blood counts (CBC)?
• Which analytes are commonly affected by light exposure?
• In microcollection tubes, what position should the green tube generally be collected?
• In the evacuated tube system, lavender or pink tubes should be collected in which position?
• Which practice supports patient safety in labeling and specimen handling?
• In light-sensitive specimen handling, which items require protection from light during storage?
• When is refrigeration (2-8 C) generally required for specimens?
• Trauma in phlebotomy refers to what?
• Which of the following is true about SST tubes in chemistry testing?
• How should you label a specimen to ensure proper identification and traceability?
• Which color tube top is used for serum collection with no additive?
• In the evacuated tube system, what position should the gold tube be collected?
• Which color-top tube is used for glucose testing in this system?
• Which tube is associated with lead testing?
• Which factor is a known contributor to hemolysis during collection?
• Which position in the microcollection order should green and tan tubes be collected?
• What is a key strategy to minimize pre-analytical errors in the NHCO Order of Draw?
• In microcollection tubes, lavender or pink tubes are collected in which position?
• What is the benefit of maintaining a clean, orderly draw station?
• What colors are used to identify PST blood collection tubes?
• What laboratory tests are performed on the grey tube described here?
• In the evacuated tube color-coding system, which color is typically associated with SST tubes used for chemistry tests?
• What is the recommended action if a patient faints during phlebotomy?
• What is the purpose of amber coloring on the microcollection container?
• What should be the immediate concern if fainting occurs during a blood draw?
• What is the maximum recommended time to leave a tourniquet in place during phlebotomy?
• What is the proper venipuncture post-procedure protocol to stop bleeding?
• Which test is commonly measured using EDTA blood?
• Which laboratory test requires blood collection in a heparin tube?
• Why must the order of draw be followed to prevent additive carryover that could affect results?
• How should underfilled tubes be handled?
• What is the purpose of sodium fluoride?
• What does SST stand for in common laboratory terminology?
• What action should be taken with a mislabeled specimen?
• If an EDTA tube is collected before a serum tube, what is the likely impact on the serum sample?
• What color identifies blood collection tubes containing sodium fluoride and potassium oxalate?
• What additive is present in PST tubes?
• When would capillary fingerstick collection be appropriate instead of venipuncture?
• Which practice supports proper specimen handling and transport in the NHCO order of draw?
• What color is used to identify blood collection tubes containing SPS or ACD?
• Which color top is used for toxicology testing with EDTA (toxicology)?
• What additive is present in trace element free blood collection tubes?
• Why should you use a new needle for each patient?
• When labeling at the bedside, which information should be included to ensure traceability?
• Which tube is used for clot-based serum tests and is often selected when serum is required?
• Which color pair indicates EDTA tubes used for hematology analysis?
• In lavender or pink microcollection tubes, the collection occurs earlier than in evacuated systems. true or false?
• What does STS stand for?
• The thixotropic gel in PST tubes creates what apart from plasma?
• What Laboratory test requires blood collection in a citrate tube?
• Why is accurate patient identification critical before drawing blood?
• Which statement best describes the effect of EDTA carryover into serum tests?
• What information should be documented when a blood draw is refused?
• Which color top contains sodium fluoride for glycolysis inhibition?
• Which color top is used for EDTA toxicology testing?
• Which of the following best describes the safety principle in fainting risk during a procedure?
• Thrombus is defined as what?
• What steps should you take if a patient refuses a blood draw?
• What is hemolysis, and what are common causes during collection?
• What additive is present in SST tubes that aids serum separation?
• Which vein is most commonly used for venipuncture and why?
• Which color combination represents blood collection tubes that contain heparin?
• How does citrate keep blood from clotting?
• In SPS tubes, which laboratory test is performed on blood cultures?
• Which tube type is used for serum tests and often contains a clot activator and a serum separator?
• When handling infectious specimens, what precautions are necessary?
• Which of the following is NOT a laboratory test performed on royal blue tubes?
• What should be done if a specimen is rejected for a reason such as mislabeling?
• Which color top is used for glucose testing with fluoride/oxalate?
• In a fainting event, which action aligns with standard patient-safety practice?
• Which response reflects the safety-first approach when fainting could occur during venipuncture?
• Which position corresponds to the eighth tube in the evacuated tube order?
• How should a sample suspected of IV contamination be managed?
• What is the purpose of the serum separator gel in SST tubes?
• For the 7th draw, which color tube is used?
• What additive is present in lead-free blood collection tubes?
• What is the purpose of the serum separator in a serum separator tube (SST) used for routine chemistry?
• Which statement about STS tubes is correct?
• In the event of fainting, which step is emphasized by safety guidelines?
• Which tube is typically used for chemistry and contains lithium heparin as an anticoagulant?
• What is the phlebotomist's role in the lab's QA/QC process?
• What laboratory test is performed on blood collection in lead-free tubes?
• Which additive in the gray top tube helps preserve glucose by inhibiting glycolysis?
• Which of the following is NOT listed as a main source of phlebotomy errors?
• Why is protecting photosensitive samples important?
• Which color tube top is associated with citrate anticoagulant for coagulation testing?
• Why is drawing through a hematoma discouraged?
• During fainting risk, which action best protects the patient?
• Which color combination is used to identify SST blood collection tubes?
• Why should you avoid drawing from an arm with an IV line?
• Which statement best reflects the safety priority when fainting risk arises during venipuncture?
• In the microcollection system, what position should the gold tube be collected?
• Petechiae are described as what?
• How does EDTA keep blood from clotting?
• Why are some microcollection containers for green tubes amber in color?
• What does PST stand for?
• Hematoma is best described as what?
• Which statement is true about royal blue tubes?
• Which color top is used for citrate anticoagulant testing in coagulation studies?
• Which color combination identified blood collection tubes that contain heparin?
• Which position in the evacuated tube system should green and tan tubes be collected?
• Which laboratory tests are performed on blood collected in orange tubes?
• What step should be performed after venipuncture to minimize hematoma risk?
• Which injury involves damage to nerves or tendons during phlebotomy?
• What is a hematoma, and how can it be minimized during venipuncture?
• What should be documented if a patient has known allergies to latex or antiseptics?
• Which statement is true about the color coding of tubes that contain heparin?
• If the procedure requires the 5th draw, which color would you use?
• Which color identifies blood collection tubes that contain thrombin and have a splash guard cap?
• What additive is in a light blue top tube and which tests use it?
• Which tube color is commonly used for plasma chemistry testing and may include gel for plasma separation?
• How does heparin keep blood from clotting?
• Which color top is used for a serum sample with no additive?
• What color is used to identify blood collection tubes containing citrate?
• Which top tube is commonly used for a lipid panel, and is fasting typically required?
• What is the purpose of potassium oxalate?
• Which color is used for stat serum determinations in chemistry?
• Why should tubes not be shaken vigorously after collection?
• In the absence of blood cultures, what is typically the second tube drawn in the standard order of draw?
• Which practice reduces specimen contamination risk during collection?
• Which color top is used for toxicology testing with EDTA?
• Which of the following is a common rejection criterion for phlebotomy specimens?
• For lipid panel testing, what is commonly required to ensure accurate results?
• Which anticoagulant is commonly associated with PST tubes?
• In the usual order of draw, culture bottles are associated with which draw?
• What should you do if a specimen arrives with improper labeling or cannot be labeled correctly?
• Amber microcollection containers are used for what purpose?
• Green or tan tubes correspond to which draw?
• Which position corresponds to the eighth collection in the evacuated tube order?
• Which statement best describes the role of the gel in SST tubes?
• Which color top is typically used for EDTA to preserve blood cells for hematology?
• Phlebitis is defined as which?
• What color is used to identify lead-free blood collection tubes?
• Which statement best describes the action of citrate in anticoagulation?
• Which laboratory tests can be performed using a heparin tube?
• Which statement best describes the role of following QA processes in the NHCO order of draw?
• When blood cultures are required, which item should be drawn first?
• Which tube is used for toxicology and trace elements testing?
• Which color top is used for acid citrate dextrose (ACD) in blood banking procedures?
• What is a key requirement for labeling to maintain chain-of-custody in the NHCO Order of Draw?
• Lymphedema is best described as which condition?
• After venipuncture, what is the recommended maximum duration for applying a tourniquet?
• When a specimen is suspected to be contaminated by an IV line, what is the recommended approach?
• What color is used to identify trace element free blood collection tubes?
• Which color top is used for CBC testing requiring EDTA?
• What is a potential complication of leaving a tourniquet on too long?
• Lavender or pink tubes correspond to which draw?
• Which statement describes the role of EDTA in preserving sample quality?
• At what temperature should many specimens be stored if not tested promptly?
• Which action best aligns with ensuring patient safety when fainting is a risk?
• Red tubes correspond to which draw?
• Which color top is commonly used to collect samples for blood banking requiring ACD?
• What is the primary purpose of following a standardized order of draw in venipuncture?
• What is the implied priority when a patient becomes faint during a venipuncture?
• Which collection method uses yellow tubes?
• Which tube type and additive combination is typically used for plasma chemistry while minimizing fibrinogen presence?
• Which laboratory test category typically requires blood collection in a PST tube?
• Which position in the evacuated-tube order of draw is designated for the green tube?
• What Laboratory test requires blood collection in an EDTA tube?
• Hemorrhage, unusual bleeding refers to what?
• What is the role of the phlebotomist in QA/QC in terms of documentation?
• How should you handle an order requiring ice or special transport conditions?
• Why is it important to allow the light blue tube to be completely filled?
• What does EDTA stand for?
• What color is used to identify blood collection tubes containing EDTA used by hematology?
• Which of the following is not a common rejection criterion for phlebotomy specimens?
• During a fainting episode, which action best aligns with patient safety guidance?
• Thrombophlebitis is defined as which?