Collecting Blood Specimens by Venipuncture Practice Test

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• Phobia is defined as?
• Why are fluoride and oxalate used in glucose testing, and how should the sample be handled?
• Ethanol is defined as:
• When should tubes containing additives be inverted during the venipuncture procedure?
• Which factor can contribute to hemoconcentration and hemolysis?
• What are common specimen rejection criteria?
• Lavender-top tubes containing EDTA primarily affect which category of tests?
• Lymphedema is a risk if phlebotomy is performed on an arm on the same side as a previous what?
• In phlebotomy, what does the aerobic bottle contain?
• Which option best describes a test panel?
• Which practices reduce exposure risk during venipuncture?
• What gauge needle is most commonly used for routine adult venipuncture, and when might a different gauge be chosen?
• What is the purpose of sodium fluoride in gray-topped tubes used for glucose testing?
• When disposing of a winged collection set after use, how should it be discarded?
• The vein considered the last choice for venipuncture in the antecubital fossa area is which?
• Which additive is found in lavender-top tubes?
• Which information on the requisition form relates to an essential part of the phlebotomist's job?
• Which vein present in the antecubital fossa may be used for venipuncture?
• How long does it typically take for a serum tube to clot before centrifugation?
• What angle should the needle be inserted during venipuncture?
• Name three veins commonly used for adult venipuncture and one factor that influences vein selection.
• Which temperature instruction requires maintaining a specimen at 98.6 F (37 C)?
• Most routine and diagnostic blood tests are performed on which type of blood?
• Why is a discard tube used when drawing from an IV line, and how much should be discarded?
• Laboratory Information System (LIS) is defined as
• How should you respond to a hemolyzed specimen when possible?
• Which evacuated tube color is associated with EDTA?
• Which is best for keeping a specimen chilled?
• What does the abbreviation QNS stand for in specimen labeling?
• When collecting lipid panel samples, what fasting requirements apply and how should the sample be processed?
• Describe the proper technique for stabilizing the vein during venipuncture.
• If a patient has a seizure during a blood draw, what is the phlebotomist's first priority?
• Which term indicates the need to protect bilirubin and many vitamins from light?
• Hematoma is defined as?
• Which vein is among the three commonly used for adult venipuncture?
• Lymphedema is a condition caused by faulty lymphatic draining; it is a risk if phlebotomy is performed on an arm on the same side as a previous mastectomy. Which option describes faulty lymphatic drainage?
• Electrolytes are defined as
• Where should frozen samples not be placed?
• What should a PBT always ask a patient before performing venipuncture?
• What are the recommended distraction and comfort strategies for pediatric venipuncture?
• Which patients should be avoided for venous blood draws due to risk factors or sensory changes?
• Which action demonstrates a phlebotomist's commitment to labeling accuracy?
• Where must a written approval from a physician be made to perform a venipuncture in the leg, ankle, or foot?
• What is the primary use of a citrate (light blue) tube in laboratory testing?
• Phlebitis is?
• If a tourniquet has been left on beyond one minute, how long should it remain off before it is reapplied?
• Which analytes are included in a Basic Metabolic Panel (BMP)?
• Which term describes a number printed on all specimen labels and documents associated with a particular requisition?
• What considerations apply when collecting specimens from patients with skin sensitivities or allergies?
• What is the difference between fixed-angle and swing bucket centrifuges?
• What does LIS stand for?
• What term describes a narrow tube used to remove liquid from a specimen?
• Which term describes destruction of red blood cells?
• In the antecubital fossa, which vein is typically the last choice because it lies near nerves and an artery?
• Which term refers to a small amount of a larger specimen?
• What is the proper post-draw care protocol to minimize hematoma formation?
• What should you do to reassure a patient during venipuncture?
• Which tubes can be used as discard tubes?
• Which analytes are included in a Comprehensive Metabolic Panel (CMP) beyond the BMP?
• If a needle is inserted into a patient's arm at a 45-degree angle, which statement is true?
• Blood must be transferred to evacuated tubes using which device?
• What is the purpose of competency testing for phlebotomists in venipuncture?
• Why is the order of draw important?
• Which step must be completed before centrifugation?
• How is blood moved from the barrel of a syringe to collection tubes?
• What strategies help reduce discomfort during pediatric venipuncture?
• Do not draw from the same side of a mastectomy.
• Which statement identifies the anatomical term for the inside of the elbow?
• How should delays or issues with specimen collection be communicated?
• What should you do if you observe a visible lesion or infection at the intended venipuncture site?
• Which term describes a buildup of solid components in blood?
• What collection set is commonly used for venipuncture?
• Which tube types may be used for stat testing in BMP/CMP/Lipid/CBC panels?
• When should blood collection tubes be labeled and initialed?
• A discard tube that is acceptable in venipuncture is which color-topped tube?
• Which term describes destruction of red blood cells?
• Graft is?
• What term means protecting certain substances from light to prevent degradation?
• Which time is commonly used for centrifugation of a standard serum tube?
• Patients who are allergic to shellfish may have a reaction to antiseptics containing which substance?
• Hemolysis is defined as
• Which additive is found in green-top tubes?
• For blood culture site cleaning, which practice is emphasized across facilities?
• Which needle movement is acceptable if blood flow is not established after needle insertion?
• Under which condition is alcohol testing most commonly authorized for a driver under implied-consent laws?
• What is the purpose of palpating a vein before venipuncture?
• Before collecting blood culture bottles, how should the stoppers be prepared?
• Capillary finger-prick collection is used in which scenarios, and what types of tests are suitable for capillary blood?
• Antecubital fossa is
• A winged collection set is discarded in which manner?
• Accession number is defined as
• What is the required antiseptic protocol if isopropyl alcohol is used to prepare a blood culture site?
• What describes probing for a vein?
• What is a general guideline regarding centrifuging specimens?
• What can be used as a discard tube?
• In a laboratory context, what does integrity refer to?
• Why is documenting specimen collection issues important?
• If a specimen arrives with conflicting patient information, what is the proper action?
• All facilities will require extra contact time for site cleaning prior to blood culture. Which option expresses this requirement?
• If iodine is used to clean the skin, what must be done before venipuncture?
• What term denotes an automated specimen transport system used in some healthcare facilities?
• Which vein is commonly chosen first for venipuncture in the antecubital fossa?
• What special preparation should be made when drawing blood from a patient whose behavior may be unpredictable or combative?
• Which term describes a plasma or serum specimen that is markedly yellow due to high bilirubin levels?
• Which aspect of specimen handling is essential for ensuring accurate test results and patient safety?
• How should you handle a specimen that is collected in an incorrect tube for a required test?
• AV fistula is which of the following?
• What is the recommended practice if the vein rolls or the first attempt fails?
• What is the correct handling for specimens that require refrigeration before testing?
• What are the key responsibilities of the phlebotomist in maintaining patient safety and specimen integrity?
• Which statement about expiration dates for additives in collection tubes is true?
• Which statement best describes the potential requisition requirements for certain tests?
• What is the expected practice for hand hygiene and PPE before venipuncture?
• When should specimen labeling occur to prevent misidentification?
• A patient with a right-sided mastectomy and an IV in the left arm needs a venipuncture. What should the phlebotomy technician do?
• Lipemic or icteric samples can interfere with which aspect of testing, and how can interference be mitigated?
• A single blood specimen tube may be used to collect blood from multiple puncture sites.
• A test panel is which of the following?
• What is the maximum number of attempts allowed at a single draw on one patient?
• Which test is routinely performed on all pregnant women?
• Blood cultures are commonly performed to detect the presence of infection in the patient's blood. They detect which of the following?
• If a venipuncture must be performed on an arm with an IV, what steps should be taken?
• Which patient would most likely require the use of a syringe and transfer device?
• The area that requires the written permission of the patient's doctor for venipuncture is which?
• Which technique is an acceptable way to make a patient's veins easier to see and palpate?
• What is an appropriate tourniquet application guideline for venipuncture?
• Which evacuated tube color is used for no additive or serum?
• What describes a blown vein?
• Panel is defined as
• Which patient population is most likely to require careful venipuncture technique due to vein accessibility?
• How should you collect blood cultures to minimize contamination?
• What does QNS indicate about a specimen?
• Which tube type is typically used for CBC and why is rough handling important?
• Which is a common complication of extended tourniquet use?
• One blood specimen tube may be used to perform tests for how many analytes?
• How should you handle a patient who develops skin irritation from the antiseptic used for venipuncture?
• For tests requiring transport over long distances, how should sample integrity be maintained?
• How can phlebotomists prevent needle-stick injuries during venipuncture?
• Which antiseptic is most commonly used for routine venipuncture?
• Before performing venipuncture, what question should be asked to assess potential difficulties?
• Why are aerobic and anaerobic blood culture bottles used together?
• How should specimens be transported and stored prior to testing?
• Which bottle is used to culture organisms that do not require oxygen?
• Chain of custody refers to:
• How can you minimize discomfort for elderly patients during venipuncture?
• Which term describes a strong fear, usually illogical?
• Which term describes a plasma or serum specimen that is cloudy or milky due to fats from a recent meal?
• What method is most reliable to locate the best vein for venipuncture?
• Which bottle is used to culture organisms that require oxygen?
• Which action describes transferring blood from a syringe to evacuated tubes?
• Which statement best describes labeling requirements for specimen collection?
• Which situation can contribute to hemoconcentration during venipuncture?
• What term refers to a rack designed to hold tubes in an upright position while maintaining a specific temperature?
• Which evacuated tube color is associated with citrate (coagulant testing)?
• Which term is used to describe a specimen that is cloudy or milky due to fats in the meal?
• What PPE is typically required for venipuncture and why?
• Which statement about collection tube expiration dates is true?
• Median cubital vein is described as
• What is a recommended approach to reduce patient movement and anxiety during venipuncture?
• What is the most reliable way to locate a good site for venipuncture?
• In capillary collection, what technique helps avoid tissue fluid contamination?
• In venipuncture, which description correctly defines a blown vein?
• When would you avoid using the basilic vein for venipuncture?
• Iatrogenic anemia is especially common in which groups?
• The most common antiseptic used to clean a site for routine venipuncture is?
• What is a blown vein?
• During venipuncture, using a 45-degree angle increases the risk of injuring which structures compared to a lower angle?
• If a sample arrives damaged or leaking, what steps should you take?
• Which term refers to the device used to transport specimens within a healthcare facility?
• Which area is the preferred site for venipuncture?
• If bleeding persists after applying initial pressure, what is the recommended action?
• What term is a mixture of crushed ice and water?
• Which temperature instruction is used for cold agglutinins, cryoglobulin, and cryofibrinogen?
• Which sites should be avoided when a patient has an arm with fistulas or grafts?
• What are the most typical intervals for glucose testing during a glucose tolerance test?
• Which statement best defines a test panel?
• During blood culture collection, how many bottles are typically used and what are they?
• Which statement correctly defines the glucose challenge test in pregnancy?
• Which two identifiers are typically used to verify a patient’s identity before performing a venipuncture?
• Which of the following are common causes of hemolysis in collected samples?
• Microclotting in a blood specimen is defined as:
• Which vein is considered the vein of last resort due to proximity to nerves and an artery?
• Which term describes moving the needle around blindly to locate a vein?
• Explain the correct bevel orientation and typical entry angle for venipuncture.
• Inadequate mixing of blood collected in anticoagulant tubes can cause which of the following outcomes?
• Which elements must be included on a requisition form for laboratory testing?
• How should you manage specimens when a patient has known poor venous access?
• Why should a needle not be inserted into a patient's vein at an angle greater than 30 degrees?
• QNS stands for which of the following?
• In which situation is a citrate tube not required to be filled to the fill line?
• What information should be documented in the patient’s chart after blood collection?
• What is the maximum percentage of a patient's blood volume that may be drawn in a single day?
• Iatrogenic anemia is caused by what?
• An arteriovenous fistula is defined as what?
• Citrate & serum tubes require how many inversions?
• Which description best defines the glucose tolerance test (GTT)?
• What should you do to avoid drawing from an arteriovenous fistula or graft when possible?
• Which vein is the first priority venipuncture site in the antecubital fossa?
• What is a primary reason to minimize transit time of specimens to the lab?
• Which device is sometimes used in place of a disposable nonlatex tourniquet?
• Which term refers to a small portion taken from a larger specimen for testing?
• Petechiae are best described as:
• Before performing venipunctures, what should the PBT ask the patient?
• How should specimens be labeled, and what information must be on the label?
• Why is accurate documentation of the draw time and sample handling important?
• Why should tubes be inverted promptly after collection?
• What is the recommended approach to teaching patients about the reason for venipuncture and labeling?
• Other tubes require how many inversions?
• How should needles and sharps be disposed after use?
• Which scenario is most likely to cause hemolysis during specimen handling?
• Why is bedside labeling recommended for specimen collection?
• Which is the correct practice for inverting tubes that contain additives after blood collection?
• Which patient population is most likely to require the use of a syringe and transfer device for blood collection due to vein accessibility?
• What is the scientific term for the inside of the elbow?
• Which of the following best describes the venipuncture technique for obese patients?
• A graft is defined as what?
• Which needle size range is considered smaller-gauge for pediatric venipuncture?
• How do you ensure sample integrity when delivering to the lab in different weather?
• Which considerations apply to pediatric venipuncture regarding blood volume and needle size?
• During transport, why should some specimens be protected from light?
• How does patient education impact the quality of blood specimen collection?
• A patient who had bacon and eggs right before a blood draw is likely to have a serum specimen that is
• What kind of container is appropriate for transporting venipuncture specimens over long distances to maintain sample integrity?
• What is the recommended method for mixing anticoagulant tubes?
• Hemoconcentration is defined as
• How should you prepare the venipuncture site and how long should the alcohol dry?
• For tests requiring fasting, what information must you document and how can fasting status affect results?
• In phlebotomy, what does the anaerobic bottle contain?
• For a glucose tolerance test, how long must the patient fast prior to the test?
• The median cephalic vein is described as one of the veins present in which area?
• What is the primary purpose of applying a tourniquet during venipuncture, and what the maximum recommended duration to minimize hemoconcentration?
• After an abnormal glucose challenge test in pregnancy, which test is used to diagnose gestational diabetes?
• Which temperature instruction is used to preserve ammonia, gastrin, lactate, and pH by chilling the specimen?
• What must happen before a serum specimen is centrifuged?
• Which tests are included in a standard lipid panel?
• After collection, most blood specimens should be centrifuged within how long?
• Patients who are allergic to shellfish may have a reaction to antiseptics containing which substance?
• What is the purpose of a discard tube in venipuncture practice?
• Which of the following is a basic element of preanalytical quality control for phlebotomy?
• Which action may be involved in preparing a syringe for blood draw?