Full Test 4 1. Which of the following is the correct policy regarding recapping needles after use?Deselect Answer Recap using two hands to secure the cap Do not recap; immediately dispose of the needle in a sharps container without recapping Recap and store for later disposal if the container is full Recap and hand off to another trained employee for disposal None Comment 2. When donning personal protective equipment (PPE) before entering an isolation room, which item is generally put on first?Deselect Answer Mask or respirator Gown Gloves Eye protection (goggles/face shield) None Comment 3. An infant in the nursery does not yet have a given name. Which identifiers should be used when collecting specimens?Deselect Answer Infant's nickname and birth weight Mother's room number and infant's length Nursery location and time of birth Mother's full name and the infant's date of birth None Comment 4. After cleaning up broken glassware that was contaminated with blood, what is the next required action?Deselect Answer Dispose of the cleaning materials in regular trash and continue work Rinse the area with water only and ignore documentation Store the contaminated glass for later disposal by housekeeping Report the incident, complete an exposure/incident report, and ensure waste was disposed as regulated/sharps waste None Comment 5. In the standard order of draw for venipuncture, which tube is typically collected immediately after blood culture bottles?Deselect Answer Lavender-top (EDTA) tube Light blue-top (sodium citrate) tube Green-top (heparin) tube Gray-top (potassium oxalate/sodium fluoride) tube None Comment 6. Who is typically authorized to give consent for medical treatment of a minor?Deselect Answer A neighbor who brings the child to the clinic The child's parent or legal guardian A schoolteacher who witnessed an injury Any adult family friend present at the visit None Comment 7. Where should used needles and other sharp medical waste be disposed of immediately after use?Deselect Answer In a designated puncture-resistant, leak-proof sharps container In a regular trash bin with a liner Left on the procedure tray for housekeeping Placed inside a patient's meal tray for immediate removal None Comment 8. When is the best time to label blood collection tubes with the patient's identifiers?Deselect Answer After transporting the tubes to the laboratory At the nurse's station before going to the bedside At the bedside immediately after the specimen is collected When the specimen is logged into the computer system None Comment 9. Which action best demonstrates that a patient has given valid informed consent?Deselect Answer The patient explains the procedure, risks, and alternatives and signs the consent form The patient nods once when the nurse asks if they agree A family member signs the form on behalf of the patient because they are present The chart shows a prior discussion but no signature was obtained None Comment 10. Which action reduces the risk of vein rolling during venipuncture?Deselect Answer Using a steeper needle angle Anchoring the vein below the puncture site Increasing tourniquet pressure Asking the patient to pump their fist None Comment 11. If a patient becomes faint or lightheaded during a blood draw, what is the most appropriate immediate action?Deselect Answer Speed up the draw to finish quickly Continue the draw and apply cold compress Ignore mild complaints and finish the procedure Stop the procedure, withdraw the needle, apply pressure, and have the patient sit or lie down None Comment 12. When using evacuated tubes, which tube should be drawn before EDTA to avoid contamination that could affect coagulation testing?Deselect Answer Light blue (sodium citrate) tube Gold/tiger-top (SST) tube Green (heparin) tube Gray (glucose) tube None Comment 13. If you accidentally touch the inside of a sterile urine cup or sterile swab container before collection, what is the correct action?Deselect Answer Discard the contaminated container and use a new sterile container Wipe the inside with alcohol and proceed Ask the patient to rinse the container before collection Continue; a quick touch will not affect the specimen None Comment 14. Which process reliably destroys all forms of microbial life, including bacterial spores, on surgical instruments?Deselect Answer Sterilization Low-level disinfection Antisepsis with alcohol Cleaning with detergent None Comment 15. A specimen ordered for lactate testing should be handled in which way?Deselect Answer Transported at room temperature Placed on ice and delivered promptly Frozen immediately Left uncentrifuged for one hour None Comment 16. A patient arrives for laboratory testing but appears lightheaded and unsteady. What should be done first?Deselect Answer Proceed quickly with the draw Seat or position the patient safely and assess Ask the patient to stand upright Cancel the test without explanation None Comment 17. A patient arrives for laboratory testing but appears lightheaded and unsteady. What should be done first?Deselect Answer Proceed quickly with the draw Seat or position the patient safely and assess Ask the patient to stand upright Cancel the test without explanation None Comment 18. When should you wash your hands with soap and water instead of using an alcohol-based hand rub?Deselect Answer When hands are visibly soiled or after caring for a patient with Clostridioides difficile infection Before touching a patient if you wore gloves previously Immediately after donning sterile gloves When wearing jewelry on your hands None Comment 19. Which color tube is typically drawn first when collecting blood for coagulation studies?Deselect Answer Light blue (sodium citrate) Green (heparin) Lavender (EDTA) Gray (oxalate/flouride) None Comment 20. What is the proper procedure for disposing of unused or excess hazardous cleaning chemicals?Deselect Answer Pour them into the sink with extra water Follow the facility's chemical waste disposal procedures and the SDS Mix different chemicals together to neutralize them Throw the bottle into regular trash after rinsing None Comment 21. How long should a tourniquet remain in place during venipuncture before it must be released?Deselect Answer Three minutes No longer than one minute Until the needle is inserted Until the last tube fills None Comment 22. Which action reduces the risk of vein rolling during venipuncture?Deselect Answer Using a steeper needle angle Anchoring the vein below the puncture site Increasing tourniquet pressure Asking the patient to pump their fist None Comment 23. After completing a blood draw, which action is required before leaving the patient area?Deselect Answer Dispose of supplies at the nurses' station Activate the needle safety device and perform hand hygiene Label tubes later at the workstation Remove gloves after exiting the room None Comment 24. In the standard order of draw for venipuncture, which tube is typically collected immediately after blood culture bottles?Deselect Answer Lavender-top (EDTA) tube Light blue-top (sodium citrate) tube Green-top (heparin) tube Gray-top (potassium oxalate/sodium fluoride) tube None Comment 25. Which statement about an emancipated minor's ability to consent is correct?Deselect Answer Emancipated minors can never consent to their own care Emancipated minors can consent to medical treatment without parental permission Only parents can consent for emancipated minors Teachers may consent for emancipated minors None Comment 26. Two patients in the same unit share the same first and last name. Before drawing blood from one of them, the phlebotomist should:Deselect Answer Use the room number to identify the correct patient Ask the family which one to draw Use the last four digits of the SSN only Verify two identifiers such as full name, DOB or medical record number and check the wristband None Comment 27. When is the correct time to label blood specimens collected from a patient?Deselect Answer At the nurse's station after all specimens are collected After returning to the lab to save time Immediately at the patient's bedside, in the presence of the patient When you have a quiet moment later in your shift None Comment 28. Which skin antiseptic is preferred when collecting blood cultures from an adult to reduce contamination?Deselect Answer Chlorhexidine gluconate with alcohol Plain soap and water Normal saline wipe Hydrogen peroxide None Comment 29. Which color-coded bag is typically used for disposable infectious waste (regulated medical waste) in many healthcare settings?Deselect Answer Clear Blue Red Yellow None Comment 30. Which set of elements should be documented to demonstrate that informed consent was properly obtained?Deselect Answer Patient signature and the nurse's initials only Date and time only Procedure name only Patient name, date/time, procedure, explanation of risks/benefits/alternatives, patient's questions, signature, and witness if required None Comment 31. If a patient refuses a blood draw after proper explanation, what should the phlebotomist do FIRST?Deselect Answer Restrain the patient Respect refusal, document it, and notify the provider/nurse Call security Draw anyway because the test is ordered None Comment 32. How long should a serum separator tube (SST) typically clot at room temperature before centrifugation?Deselect Answer 5 minutes 30 minutes 2 hours 24 hours None Comment 33. When transporting patient specimens to the laboratory, what is the most important step to ensure specimen integrity?Deselect Answer Ensure specimens are properly labeled, sealed, and transported in appropriate containers Remove labels to protect patient privacy during transport Combine multiple specimens in one bag to save space Transport specimens without temperature control so they reach the lab faster None Comment 34. If a patient becomes lightheaded and begins to faint during a blood draw, what should the phlebotomist do first?Deselect Answer Continue the draw to finish the collection Immediately remove the needle, apply pressure, and call for assistance Offer the patient a sweet drink while drawing Lower the needle deeper to increase flow None Comment 35. Which vaccine is specifically recommended and often offered free to healthcare workers to prevent a bloodborne infection?Deselect Answer Influenza vaccine Varicella (chickenpox) vaccine Hepatitis B vaccine MMR vaccine None Comment 36. Which of the following must always be included on a blood bank specimen label?Deselect Answer Room number and date only Last name and sex only Ordering physician and test name only Full name, DOB/unique ID, date/time of collection, and collector's initials None Comment 37. Which of the following is TRUE about approved sharps containers used in healthcare settings?Deselect Answer They should be made of puncture-resistant material and clearly labeled They can be emptied into regular trash when full They should be left uncapped to allow airflow They should be replaced or closed when they reach the facility's recommended fill level (often 3/4 full) to prevent overfilling None Comment 38. What is the purpose of an immediate-spin (IS) crossmatch?Deselect Answer Detect delayed hemolytic transfusion reactions Detect IgG alloantibodies at 37°C Screen for bacterial contamination Rapidly detect ABO incompatibility when urgent transfusion is needed None Comment 39. A patient clearly refuses a blood draw but a family member insists the procedure be done. What is the best action for the phlebotomist?Deselect Answer Explain to the family that you must honor their request and proceed Ask the family member to sign a consent form and proceed Stop the procedure and notify the nurse or provider according to facility policy Tell the patient they must comply because a test was ordered None Comment 40. A patient arrives for laboratory testing but appears lightheaded and unsteady. What should be done first?Deselect Answer Proceed quickly with the draw Seat or position the patient safely and assess Ask the patient to stand upright Cancel the test without explanation None Comment 41. What is the maximum recommended time a tourniquet should remain on a patient before releasing to avoid hemoconcentration?Deselect Answer 2 minutes 1 minute 3 minutes 5 minutes None Comment 42. A trough level is scheduled but the patient missed their dose. What is the appropriate action?Deselect Answer Collect anyway to avoid delaying the lab Give the missed dose and collect the trough immediately Reschedule without informing the provider Notify the nurse/provider because timing is affected and instructions are needed None Comment 43. What is the maximum recommended time a tourniquet should remain tied during routine venipuncture?Deselect Answer 3 minutes 2 minutes 90 seconds 1 minute None Comment 44. A patient begins to feel dizzy and pale during a draw and appears faint. What is the phlebotomist's best immediate action?Deselect Answer Remove the needle, apply pressure to the site, and help the patient into a supine position Continue drawing to finish the procedure quickly Tell the patient to hold their breath Place a cold compress on the patient's forehead and continue None Comment 45. How long should a tourniquet be left in place during venipuncture to minimize hemoconcentration risk?Deselect Answer No longer than 1 minute before releasing or removing it At least 5 minutes to ensure a strong vein fill Until you have finished labeling the tubes Until the patient requests it to be removed None Comment 46. If a patient begins to feel faint during a blood draw, what is the first action the phlebotomist should take?Deselect Answer Immediately remove the needle and tourniquet, and assist the patient to a safe position Apply more alcohol to the puncture site Hold the patient's arm down and complete the draw quickly Call for a supervisor and wait at the bedside without removing the needle None Comment 47. For a capillary heel stick on a newborn, what is the safest puncture site to avoid bone injury and nerve damage?Deselect Answer Center of the heel near the Achilles tendon Central plantar area of the heel Lateral OR medial plantar surface of the heel (avoid the center) Top (dorsal) surface of the foot None Comment 48. After completing a blood draw, which action is required before leaving the patient area?Deselect Answer Dispose of supplies at the nurses' station Activate the needle safety device and perform hand hygiene Label tubes later at the workstation Remove gloves after exiting the room None Comment 49. What is the best method to positively identify a patient before drawing blood?Deselect Answer Ask the patient their room number Check the wristband and ask the patient to state name and date of birth Rely on the patient's chart at the bedside Ask a nearby staff member to confirm identity None Comment 50. Why should the venipuncture site not be palpated after the antiseptic has dried?Deselect Answer It increases discomfort more than before cleansing It removes antiseptic and makes venipuncture difficult It can reintroduce skin flora and contaminate the specimen It causes vasoconstriction reducing blood flow None Comment 51. A patient is unconscious and has no wristband; a requisition is at the bedside. What should the phlebotomist do before drawing blood?Deselect Answer Proceed using the requisition alone Draw now and label tubes later in the lab Contact the nurse to verify identity and have a wristband applied before collection Ask a family member for the patient's name only None Comment 52. When is it acceptable to use an alcohol-based hand rub instead of washing with soap and water?Deselect Answer After using the restroom After caring for a patient with C. difficile When hands are not visibly soiled When hands are visibly dirty with blood None Comment 53. How long should you wash your hands with soap and water to appropriately remove pathogens during routine handwashing?Deselect Answer 5 seconds 10 seconds 20 seconds 60 seconds None Comment 54. Which antiseptic is preferred for skin cleansing prior to collecting blood cultures to reduce contamination?Deselect Answer 70% isopropyl alcohol alone Povidone-iodine scrub for 15 seconds Hydrogen peroxide solution 2% chlorhexidine gluconate in 70% isopropyl alcohol None Comment 55. A requisition lists Robert J. King, DOB 07/10/1975. The patient introduces himself as 'Roberto King' but gives the same DOB. What is the best action?Deselect Answer Proceed because the DOB matches Proceed and label tubes after leaving the room Stop and resolve the name discrepancy before collecting Use the spelling on the requisition and continue None Comment 56. A therapeutic drug "peak" level is ordered for an IM antibiotic. When should the specimen be collected to measure peak concentration?Deselect Answer 1 to 2 hours after administration Immediately before the next scheduled dose Just before the medication is administered 24 hours after administration None Comment 57. A collected blood tube arrives at the lab with no patient identifier on the tube but a completed requisition form. What should the phlebotomist or technologist do?Deselect Answer Accept the tube since the requisition has the information Label the tube based on the requisition and process it Ask a coworker to initial the tube for identification Reject the specimen and request recollection with proper labeling None Comment 58. Which collection tube is preferred for type and screen and crossmatch procedures?Deselect Answer Red top (no additive) Light blue (sodium citrate) Lavender or pink top containing EDTA Green top (heparin) None Comment 59. A patient is infected with Clostridioides difficile (C. diff). Which precautions and PPE are most appropriate when providing direct care?Deselect Answer Airborne precautions with N95 respirator Droplet precautions with surgical mask No PPE if the patient is mobile Contact precautions with gown and gloves None Comment 60. During a 24-hour urine collection, how should the urine be stored until returned to the lab?Deselect Answer Room temperature in a warm place Add formalin routinely Direct sunlight to keep it warm Refrigerate or keep on ice throughout the 24 hours None Comment 61. A patient has limited English proficiency. What is the most appropriate way to obtain informed consent?Deselect Answer Use a trained medical interpreter approved by the facility to explain the procedure and obtain consent Ask a bilingual family member in the room to translate Proceed after giving a written consent form in English Use gestures and simple words to get agreement None Comment 62. A specimen ordered for lactate testing should be handled in which way?Deselect Answer Transported at room temperature Placed on ice and delivered promptly Frozen immediately Left uncentrifuged for one hour None Comment 63. What is the most reliable method to identify a patient before performing venipuncture?Deselect Answer Verify the patient's room number Ask a family member to confirm the patient's name Ask the patient to state their full name and date of birth and compare with the wristband Rely on the name on the requisition form None Comment 64. In which situation is implied consent most appropriate?Deselect Answer An unconscious patient who needs immediate life-saving treatment A conscious patient who says they are unsure about surgery A routine blood draw for a competent outpatient When a family member verbally approves treatment None Comment 65. Which action reduces the risk of vein rolling during venipuncture?Deselect Answer Using a steeper needle angle Anchoring the vein below the puncture site Increasing tourniquet pressure Asking the patient to pump their fist None Comment 66. Which antiseptic is preferred for skin cleansing prior to collecting blood cultures to reduce contamination?Deselect Answer 70% isopropyl alcohol alone Povidone-iodine scrub for 15 seconds Hydrogen peroxide solution 2% chlorhexidine gluconate in 70% isopropyl alcohol None Comment 67. What is the maximum recommended time a tourniquet should remain tied on a patient during venipuncture?Deselect Answer 3 minutes 1 minute 5 minutes 10 minutes None Comment 68. Which instruction is correct for obtaining a midstream (clean-catch) urine specimen?Deselect Answer Cleanse genital area, begin voiding, then collect midstream into a sterile container Void into container before cleansing Collect first morning urine without cleansing Keep container open at bedside to ventilate None Comment 69. What is the maximum recommended time a tourniquet should remain tied on a patient's arm during venipuncture?Deselect Answer 5 minutes 1 minute 3 minutes 10 minutes None Comment 70. During a venipuncture the patient becomes pale and dizzy and begins to faint. What should the phlebotomist do first?Deselect Answer Apply a cold compress and continue the draw Immediately remove the needle, apply pressure, lower the patient to a supine position and call for help Tell the patient to take deep breaths and keep drawing Leave the needle in and call for security None Comment 71. Which statement about the hepatitis B vaccine for healthcare workers is correct?Deselect Answer It is optional and rarely recommended for clinical staff It is recommended for healthcare personnel and should be offered by the employer, ideally before occupational exposure It provides immediate lifetime immunity after one dose It must be given only after a documented exposure to blood None Comment 72. What is the primary purpose of a 'type and screen'?Deselect Answer Screen for bacterial contamination in donor blood Determine hemoglobin/hematocrit Reserve a specific donor unit Determine ABO/Rh type and screen for unexpected antibodies None Comment 73. What is the proper immediate action after completing a venipuncture and removing the needle?Deselect Answer Recap the needle and place it on the bench Hand the uncapped needle to a coworker for disposal Place the needle in a regular trash bin inside a plastic bag Activate safety device if present and immediately dispose of the needle in a designated puncture-resistant sharps container None Comment 74. Which action reduces the risk of vein rolling during venipuncture?Deselect Answer Using a steeper needle angle Anchoring the vein below the puncture site Increasing tourniquet pressure Asking the patient to pump their fist None Comment 75. A competent patient refuses a recommended treatment. What should the healthcare team do first?Deselect Answer Document the refusal and proceed with treatment anyway Respect the patient's decision, document the refusal, and notify the provider Contact security to force treatment if it's in the patient's best interest Ignore the refusal because the team believes the treatment is necessary None Comment 76. Which practice is the single most effective way to prevent the spread of infections in healthcare settings?Deselect Answer Performing proper hand hygiene (handwashing or alcohol-based rub) Wearing gloves for all patient interactions Cleaning floors once per shift Prescribing antibiotics for all suspected infections None Comment 77. Which factor is most likely to compromise specimen integrity during transport?Deselect Answer Proper labeling Extended transport time Gentle mixing Use of leak-proof bags None Comment 78. Which tube is typically used for a complete blood count (CBC)?Deselect Answer Light blue (sodium citrate) Lavender (EDTA) Green (heparin) Red (no additive) None Comment 79. After completing a blood draw, which action is required before leaving the patient area?Deselect Answer Dispose of supplies at the nurses' station Activate the needle safety device and perform hand hygiene Label tubes later at the workstation Remove gloves after exiting the room None Comment 80. Which microorganism most commonly requires airborne precautions in health-care settings?Deselect Answer Mycobacterium tuberculosis (tuberculosis) Staphylococcus aureus (MRSA) Clostridioides difficile Norovirus None Comment 81. Which factor is most likely to compromise specimen integrity during transport?Deselect Answer Proper labeling Extended transport time Gentle mixing Use of leak-proof bags None Comment 82. If a blood bank specimen is visibly hemolyzed, what should be done?Deselect Answer Store at 4°C and test anyway Dilute and proceed Centrifuge longer and test plasma Reject and recollect per policy None Comment 83. Which tube or container should be collected first when performing a venipuncture that includes blood cultures and routine tubes?Deselect Answer EDTA (lavender top) tube Serum (red top) tube Light blue (citrate) coagulation tube Blood culture bottles None Comment 84. Which tube or container should be collected first when performing a venipuncture that includes blood cultures and routine tubes?Deselect Answer EDTA (lavender top) tube Serum (red top) tube Light blue (citrate) coagulation tube Blood culture bottles None Comment 85. When is the correct time to label blood collection tubes for a fasting glucose sample?Deselect Answer At the nurses' station after you return In the laboratory upon receipt After drawing and leaving the patient's room Immediately at the patient's bedside after collection None Comment 86. Before inoculating blood culture bottles, what is the proper preparation of the bottle septum?Deselect Answer Remove the cap and touch the septum with a sterile glove Cleanse the rubber septum with alcohol/antiseptic and allow it to dry Wipe the septum with sterile saline Leave the septum untouched None Comment 87. Immediately after sustaining a needlestick injury while drawing blood, what is the first action a phlebotomy technician should take?Deselect Answer Squeeze the puncture site to make it bleed Apply a topical antiseptic and resume work Wash the area with soap and running water right away Report the incident at the end of the shift None Comment 88. Which vein is the preferred site for routine antecubital venipuncture because it is well-anchored and accessible?Deselect Answer Median cubital vein Cephalic vein Basilic vein Dorsal venous network of the hand None Comment 89. A competent patient refuses a recommended treatment. What should the healthcare team do first?Deselect Answer Document the refusal and proceed with treatment anyway Respect the patient's decision, document the refusal, and notify the provider Contact security to force treatment if it's in the patient's best interest Ignore the refusal because the team believes the treatment is necessary None Comment 90. What is the most appropriate method to positively identify a patient before drawing blood?Deselect Answer Ask the patient to state their full name and date of birth and compare to the requisition or wristband Confirm the patient's room number and proceed Ask a family member to confirm the patient's identity Use the patient's chart at the nurse's station without asking the patient None Comment 91. Which practice best reduces the risk of hemolysis when collecting and handling blood samples?Deselect Answer Use the largest needle available for faster flow Sharply shake tubes after collection to mix with anticoagulant Gently invert tubes the recommended number of times instead of vigorous shaking Force blood through a small-gauge syringe into tubes None Comment 92. What is the most appropriate initial method to verify a patient's identity immediately before drawing blood?Deselect Answer Confirm with the patient's room number Ask the patient to state their full name and date of birth Ask a family member to confirm the patient's name Compare to the requisition only None Comment 93. If a patient becomes faint or lightheaded during a blood draw, what is the most appropriate immediate action?Deselect Answer Speed up the draw to finish quickly Continue the draw and apply cold compress Ignore mild complaints and finish the procedure Stop the procedure, withdraw the needle, apply pressure, and have the patient sit or lie down None Comment 94. Which factor is most likely to compromise specimen integrity during transport?Deselect Answer Proper labeling Extended transport time Gentle mixing Use of leak-proof bags None Comment 95. Why is following the correct order of draw important when collecting multiple blood tubes from one venipuncture?Deselect Answer It shortens the total collection time It ensures patient comfort It prevents cross-contamination of tube additives between samples It increases the volume of blood collected None Comment 96. A specimen arrives at the lab with obvious hemolysis. What is the most appropriate action?Deselect Answer Centrifuge at a higher speed to reduce hemolysis effects Analyze the sample and annotate the report Dilute the sample and proceed with testing Request a recollection of the specimen None Comment 97. If a chemical splash reaches the eyes, what is the minimum recommended duration to flush the eyes with water?Deselect Answer 5 seconds 1 minute At least 15 minutes No flushing is needed unless pain occurs None Comment 98. If a healthcare worker encounters a chemical spill containing a hazardous cleaner, what should they do first?Deselect Answer Ensure personal safety (put on PPE) and follow the facility spill procedure Immediately mop it up with a towel without PPE Ignore it if it seems small Mix a different cleaner with the spill to dilute it None Comment 99. If a patient is unconscious and cannot state their name or date of birth, which two identifiers are acceptable for specimen labeling?Deselect Answer Room number and nurse's name Diagnosis and attending physician's name Wristband identifiers (name/MRN) and the requisition/medical record number Bed number and time of admission None Comment 100. What is the maximum recommended depth for a heel puncture in a newborn?Deselect Answer 0.5 mm 1.0 mm 2.0 mm 3.0 mm None Comment 101. During which situation is wearing a surgical mask (not respirator) indicated?Deselect Answer When performing procedures likely to generate splashes or sprays of blood or body fluids For care of patients under airborne precautions When sterile technique is not required and no splashes are expected To replace hand hygiene between patients None Comment 102. In which situation is implied consent most appropriate?Deselect Answer An unconscious patient who needs immediate life-saving treatment A conscious patient who says they are unsure about surgery A routine blood draw for a competent outpatient When a family member verbally approves treatment None Comment 103. After completing a blood draw, which action is required before leaving the patient area?Deselect Answer Dispose of supplies at the nurses' station Activate the needle safety device and perform hand hygiene Label tubes later at the workstation Remove gloves after exiting the room None Comment 104. For an adult capillary (fingerstick) specimen, which site is generally preferred?Deselect Answer Tip of the thumb Lateral side of the middle or ring finger (distal segment) Center of the fingertip pad Pad of the index finger None Comment 105. When should specimens be labeled to ensure correct patient identification?Deselect Answer After returning to the laboratory to avoid distractions In the hallway immediately after leaving the room At the bedside in the presence of the patient (or witness) immediately after collection When there is time later during your shift None Comment 106. Which antibody is most clinically significant because it is IgG and can cause hemolytic transfusion reactions and HDFN?Deselect Answer Anti-Lea Anti-M (IgM) Anti-H Anti-D (RhD) None Comment 107. A specimen ordered for lactate testing should be handled in which way?Deselect Answer Transported at room temperature Placed on ice and delivered promptly Frozen immediately Left uncentrifuged for one hour None Comment 108. What is the correct sequence for donning personal protective equipment for airborne precautions?Deselect Answer Mask/respirator, gloves, gown, goggles Gown, mask/respirator, goggles/face shield, gloves Gloves, gown, mask, goggles Goggles, gloves, gown, mask None Comment 109. What is the correct technique for removing contaminated gloves to minimize contamination?Deselect Answer Pull both gloves off together by grabbing the fingertips Wipe gloves on cuff and then shake off into trash Leave gloves on until you reach the supply closet Grasp the outside of one glove at the wrist, peel it off turning it inside out, hold it in the gloved hand, slide fingers under the wrist of the remaining glove and peel it off inside out None Comment 110. For an infant heel stick, what is the commonly recommended maximum puncture depth to avoid injuring the calcaneus (heel bone)?Deselect Answer 5.0 mm 3.5 mm 2.0 mm 0.5 mm None Comment 111. Which method is the most reliable for positively identifying an outpatient before drawing blood?Deselect Answer Ask the patient to state their full name and date of birth and compare with the requisition Ask the patient a yes/no question such as 'Are you John Smith?' Use the room number listed on the appointment schedule Verify the name on the outside of the patient's chart without asking the patient None Comment 112. If a patient forgets to collect one void during a 24-hour urine collection, what should they be advised?Deselect Answer Estimate the missed volume Continue and just note the time Finish and mark collection incomplete Discard the collection and restart the entire 24-hour period None Comment 113. For cryoglobulin testing, what is the most appropriate specimen handling procedure to prevent false results?Deselect Answer Refrigerate immediately at 4°C Keep at room temperature until clot forms Keep the specimen at 37°C (warm) until clot/serum separation Freeze immediately None Comment 114. Why should blood collection tubes with additives be gently inverted immediately after filling?Deselect Answer To cool the specimen for transport To remove air bubbles for better centrifugation To speed up clot formation To thoroughly mix the blood with the tube's anticoagulant or separator additive None Comment 115. Why must food be kept out of specimen or laboratory storage areas labeled for specimens only?Deselect Answer Food can be stored there if it is in a sealed container Food helps maintain refrigerator temperature stability Food is allowed as long as it is labeled with the technician's name Storing food risks cross-contamination and violates infection-control policies None Comment 116. Which factor is most likely to compromise specimen integrity during transport?Deselect Answer Proper labeling Extended transport time Gentle mixing Use of leak-proof bags None Comment 117. A patient arrives for laboratory testing but appears lightheaded and unsteady. What should be done first?Deselect Answer Proceed quickly with the draw Seat or position the patient safely and assess Ask the patient to stand upright Cancel the test without explanation None Comment 118. A specimen ordered for lactate testing should be handled in which way?Deselect Answer Transported at room temperature Placed on ice and delivered promptly Frozen immediately Left uncentrifuged for one hour None Comment 119. Which transmission-based precaution is most appropriate for a patient with seasonal influenza?Deselect Answer Droplet precautions (mask within 3-6 feet, plus standard precautions) Airborne precautions (N95 respirator and negative-pressure room) Contact precautions only (gloves and gown) No precautions beyond general cleaning None Comment 120. An infant in the nursery does not yet have a given name. Which identifiers should be used when collecting specimens?Deselect Answer Infant's nickname and birth weight Mother's room number and infant's length Nursery location and time of birth Mother's full name and the infant's date of birth None Comment 1 out of 120
