Full Test 3 1. 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 2. Which action is LEAST acceptable for verifying a patient's identity prior to specimen collection?Deselect Answer Ask the patient to state and spell their full name and provide their date of birth Compare the patient's wristband information to the requisition or labels Ask the patient to confirm their name and date of birth while checking the wristband Use the room number alone as the patient's identifier None Comment 3. Which type of mask is appropriate for standard droplet precautions when working within about 3 feet of a coughing patient?Deselect Answer Surgical (procedure) mask N95 (respirator) Cloth mask No mask is needed if wearing gloves None Comment 4. After completing a venipuncture with a used needle, what should the technician do immediately with the needle?Deselect Answer Recap the needle once and dispose in trash Lay the needle on a tray for later disposal Bend the needle to prevent reuse and then discard Do not recap; immediately dispose the used needle in a puncture-resistant sharps container None Comment 5. After collecting a blood specimen for bilirubin testing, what must you do to preserve an accurate result?Deselect Answer Place the specimen in a lighted area to keep it warm Protect the specimen from light by wrapping it or using an amber container Freeze the specimen immediately Shake the tube vigorously None Comment 6. 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 7. 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 8. If a blood or body fluid splashes into your eye at work, how long should you flush the eye with water or saline?Deselect Answer 30 seconds 1 minute 15 minutes 5 minutes None Comment 9. When responding to a small visible blood spill on a patient care surface, what is the best immediate action?Deselect Answer Wipe up the blood with a dry cloth and discard in regular trash Sprinkle disinfectant powder and wipe later Use bare hands with soap to scrub the area Don appropriate PPE and clean with an EPA-registered disinfectant or bleach solution following facility protocol None Comment 10. Which personal protective equipment (PPE) is most important to protect the mucous membranes from splashes of blood during specimen processing?Deselect Answer Shoe covers Lead apron Disposable gloves Goggles or a face shield None Comment 11. 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 12. 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 13. 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 14. Which instruction is most important when collecting a specimen for a peak drug level?Deselect Answer Collect at any convenient time Verify medication administration timing Use a larger gauge needle Keep the specimen at room temperature None Comment 15. What is the correct immediate disposal method for a used needle after an injection?Deselect Answer Recap the needle and place it in the regular trash Place the needle on a tray for later disposal Break the needle at the hub and discard Place the uncapped needle directly into a labeled, puncture-resistant sharps container immediately None Comment 16. 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 17. A patient has a history of fainting during venipuncture. What is the BEST action to minimize syncope risk?Deselect Answer Perform the draw with the patient standing Apply a strong tourniquet and draw quickly while sitting Use a small-gauge needle with patient seated upright Have the patient lie supine or reclined during the draw None Comment 18. 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 19. Why should serum be separated from cells promptly after collection?Deselect Answer To increase specimen volume To reduce clot formation To prevent cellular metabolism from altering analytes To improve labeling accuracy None Comment 20. Which tube should generally be collected first in routine venipuncture after sterile culture bottles?Deselect Answer Lavender-top (EDTA) Light-blue top (sodium citrate) Gray-top (glycolysis inhibitor) Red-top serum tube None Comment 21. 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 22. Which color tube is typically drawn for coagulation studies such as PT/INR?Deselect Answer Green Lavender Light blue Gray None Comment 23. When should a phlebotomist label a blood specimen tube?Deselect Answer After transporting the tube to the laboratory At the patient's bedside immediately after collection When the patient's chart is reviewed later Only if the sample is abnormal None Comment 24. Which preservative is commonly recommended for a 24-hour urine collection when measuring catecholamines (e.g., VMA)?Deselect Answer Sodium chloride No preservative needed Ethanol Hydrochloric acid to acidify and stabilize catecholamines None Comment 25. 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 26. 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 27. A patient scheduled for fasting labs reports chewing gum during the fasting period. What is the best action?Deselect Answer Proceed with collection Document gum use and continue Clarify with the provider or follow policy before collecting Cancel the test without explanation None Comment 28. Which instruction is most important when collecting a specimen for a peak drug level?Deselect Answer Collect at any convenient time Verify medication administration timing Use a larger gauge needle Keep the specimen at room temperature None Comment 29. Which action best helps prevent hemoconcentration during venipuncture?Deselect Answer Keeping the tourniquet on until all tubes are filled Releasing the tourniquet once blood flow is established Asking the patient to pump their fist Using a smaller needle None Comment 30. How should specimens that require cold transport (e.g., ammonia) be prepared for immediate transport?Deselect Answer Kept at room temperature in a padded carrier Placed in direct sunlight to warm briefly Placed in an ice-water slurry (crushed ice and water) or ice pack per protocol Stored upright in a refrigerator for 24 hours before transport None Comment 31. Before collecting a specimen from a patient, what is the first and essential step the collector must perform?Deselect Answer Verify the patient's identity using two patient identifiers Label the specimen container before confirming patient identity Begin collection immediately to avoid delays Ask a family member to confirm the patient's diagnosis None Comment 32. Which needle gauge is most commonly used for routine adult venipuncture?Deselect Answer 18 gauge 23 gauge 25 gauge 21 gauge None Comment 33. Which class of fire extinguisher is appropriate for electrical fires involving energized equipment?Deselect Answer Class C Class A Class B Class D None Comment 34. 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 35. 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 36. What is the maximum recommended heel puncture depth for newborn infants to avoid bone injury?Deselect Answer 0.5 mm 1.0 mm 2.0 mm 4.0 mm None Comment 37. Which laboratory result is most likely to be falsely elevated by hemolysis?Deselect Answer Potassium Sodium Hemoglobin on a non-automated test Platelet count None Comment 38. 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 39. Which microorganism most commonly requires airborne precautions in health-care settings?Deselect Answer Mycobacterium tuberculosis (tuberculosis) Staphylococcus aureus (MRSA) Clostridioides difficile Norovirus None Comment 40. What is the correct way to dispose of a used hypodermic needle in a clinical setting?Deselect Answer Recap the needle and place it in the trash Place it uncapped immediately into a labeled, puncture-resistant sharps container Break the needle off and throw the parts away separately Rinse the needle and place it in a biohazard bag None Comment 41. 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 42. When collecting blood cultures using a winged infusion set (butterfly), which bottle should be filled first to reduce the risk of introducing air into an anaerobic bottle?Deselect Answer Aerobic bottle first, then anaerobic Anaerobic bottle first, then aerobic Order does not matter Fill only one bottle None Comment 43. Which storage temperature range is appropriate for most routine blood specimens before testing?Deselect Answer Frozen at -20°C Warmed to 37°C Refrigerated at 2-8°C Left at ambient temperatures above 25°C None Comment 44. Which transmission-based precautions should healthcare workers use when collecting sputum from a patient suspected of active tuberculosis (Mycobacterium tuberculosis)?Deselect Answer Standard precautions only Airborne precautions with an N95 respirator Droplet precautions with a surgical mask Contact precautions with gloves and gown None Comment 45. 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 46. 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 47. 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 48. Why should serum be separated from cells promptly after collection?Deselect Answer To increase specimen volume To reduce clot formation To prevent cellular metabolism from altering analytes To improve labeling accuracy None Comment 49. 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 50. Which of the following best describes standard precautions in clinical settings?Deselect Answer Use isolation only for symptomatic patients Wear a gown for all patient interactions Treat all blood and body fluids as potentially infectious and use appropriate PPE Only use gloves when blood is visible None Comment 51. Which action best helps prevent hemoconcentration during venipuncture?Deselect Answer Keeping the tourniquet on until all tubes are filled Releasing the tourniquet once blood flow is established Asking the patient to pump their fist Using a smaller needle None Comment 52. 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 53. 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 54. 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 55. 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 56. Which is the correct disposal method for a used disposable lancet after a capillary puncture?Deselect Answer Place it in the regular trash inside a sealed bag Dispose directly into a puncture-resistant, labeled sharps container Recap it and put it back in the supply tray Rinse it and place in biohazard bag with fluids None Comment 57. 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 58. 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 59. Why should serum be separated from cells promptly after collection?Deselect Answer To increase specimen volume To reduce clot formation To prevent cellular metabolism from altering analytes To improve labeling accuracy None Comment 60. 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 61. A phlebotomy technician notices blood on their glove after a draw. What should be done before touching any other surfaces?Deselect Answer Wipe the glove with alcohol Remove gloves and perform hand hygiene Change gloves only Proceed to the next patient None Comment 62. 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 63. 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 64. Which action best helps prevent hemoconcentration during venipuncture?Deselect Answer Keeping the tourniquet on until all tubes are filled Releasing the tourniquet once blood flow is established Asking the patient to pump their fist Using a smaller needle None Comment 65. In the venipuncture order of draw, when should blood culture bottles be collected relative to other tubes?Deselect Answer After EDTA tubes After coagulation tubes Last, after all additive tubes Before collecting other tubes None Comment 66. Which instruction is most important when collecting a specimen for a peak drug level?Deselect Answer Collect at any convenient time Verify medication administration timing Use a larger gauge needle Keep the specimen at room temperature None Comment 67. When is handwashing with soap and water preferred over alcohol-based hand sanitizer?Deselect Answer After touching intact skin and no fluids are present After caring for a patient with Clostridioides difficile (C. difficile) infection Before putting on gloves Only at the beginning and end of a shift None Comment 68. A phlebotomy technician notices blood on their glove after a draw. What should be done before touching any other surfaces?Deselect Answer Wipe the glove with alcohol Remove gloves and perform hand hygiene Change gloves only Proceed to the next patient None Comment 69. A phlebotomy technician notices blood on their glove after a draw. What should be done before touching any other surfaces?Deselect Answer Wipe the glove with alcohol Remove gloves and perform hand hygiene Change gloves only Proceed to the next patient None Comment 70. 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 71. 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 72. 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 73. Which practice is correct when drawing a specimen for PT/INR testing?Deselect Answer Use a purple-top EDTA tube Fill a light-blue sodium citrate tube to proper volume (9:1 ratio) and invert gently Collect in a green-top heparin tube and freeze immediately Allow the specimen to clot before centrifuging None Comment 74. 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 75. A patient scheduled for fasting labs reports chewing gum during the fasting period. What is the best action?Deselect Answer Proceed with collection Document gum use and continue Clarify with the provider or follow policy before collecting Cancel the test without explanation None Comment 76. Which combination meets the 'two patient identifiers' standard for a routine blood draw?Deselect Answer Room number and attending physician name Patient's photo and hospital bed number Initials and time of arrival Patient's full name and date of birth None Comment 77. An inpatient's wrist ID band is present but hanging loose and about to fall off. What should the phlebotomy technician do?Deselect Answer Go ahead and draw because the band is still readable Have the patient hold the band while drawing Write the patient's name on the requisition and proceed Notify nursing so a new or secure wristband can be applied before collection None Comment 78. 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 79. What is the maximum recommended time a tourniquet should remain applied before releasing it to avoid hemoconcentration?Deselect Answer 2 minutes 1 minute (60 seconds) 5 minutes 30 seconds None Comment 80. Which action best helps prevent hemoconcentration during venipuncture?Deselect Answer Keeping the tourniquet on until all tubes are filled Releasing the tourniquet once blood flow is established Asking the patient to pump their fist Using a smaller needle None Comment 81. A patient scheduled for fasting labs reports chewing gum during the fasting period. What is the best action?Deselect Answer Proceed with collection Document gum use and continue Clarify with the provider or follow policy before collecting Cancel the test without explanation None Comment 82. To maximize detection of bacteremia and reduce contamination risk, what is the recommended blood culture collection approach?Deselect Answer One set from a single venipuncture site Four or more sets from the same site Two or more sets collected from separate venipuncture sites Multiple samples sequentially from the same puncture None Comment 83. Before performing a venipuncture, what is the best method to verify a patient's identity?Deselect Answer Ask a family member in the room to confirm the patient's name Ask the patient to state their full name and date of birth and compare with the requisition Rely on the patient's room number and bed label Use the name on the patient chart without asking the patient None Comment 84. 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 85. 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 86. 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 87. When is the best time to obtain blood cultures in relation to administration of antibiotics?Deselect Answer Immediately after the first dose of antibiotics Only if fever persists after therapy Prior to the administration of antibiotics Timing does not affect culture yield None Comment 88. 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 89. An N95 respirator is specifically required when caring for a patient with which type of infection?Deselect Answer Gastroenteritis spread by surfaces Active pulmonary tuberculosis Impetigo Norovirus None Comment 90. You discover two wristbands on a patient with different birthdates. What is the appropriate immediate action?Deselect Answer Use the newest band and proceed with collection Stop and notify nursing/appropriate staff to resolve the discrepancy before drawing Use the birthdate that matches the chart and document Draw and label the specimen with both birthdates None Comment 91. Which practice is required when collecting a blood sample for legal blood alcohol testing (e.g., DUI cases)?Deselect Answer Chilling on ice immediately at bedside Following chain-of-custody procedures with documentation and secure transport Using any antiseptic if labeled correctly Drawing two tubes and discarding one None Comment 92. Which instruction is most important when collecting a specimen for a peak drug level?Deselect Answer Collect at any convenient time Verify medication administration timing Use a larger gauge needle Keep the specimen at room temperature None Comment 93. 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 94. 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 95. 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 96. 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 97. 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 98. 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 99. 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 100. 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 101. 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 102. Which practice is most likely to cause hemolysis of a blood specimen?Deselect Answer Allowing alcohol to fully air-dry before puncture Vigorously shaking the collection tube Using the correct needle gauge for the patient Applying gentle inversion to mix additives None Comment 103. A phlebotomy technician notices blood on their glove after a draw. What should be done before touching any other surfaces?Deselect Answer Wipe the glove with alcohol Remove gloves and perform hand hygiene Change gloves only Proceed to the next patient None Comment 104. What is the recommended first step when responding to a small spill of blood on a patient care surface?Deselect Answer Leave it and document the spill Put on appropriate PPE, contain the spill with absorbent material, then disinfect according to protocol Wipe it with dry paper towels only Cover it with a blanket and wait for housekeeping None Comment 105. 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 106. Which of the following is NOT an acceptable second identifier when collecting an inpatient specimen?Deselect Answer Hospital-assigned medical record number Patient's full name and date of birth Barcode or patient ID number from the wristband Room number None Comment 107. Which additive in a lavender-top tube prevents blood from clotting by chelating calcium?Deselect Answer Heparin Sodium fluoride EDTA Sodium citrate None Comment 108. 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 109. Why should serum be separated from cells promptly after collection?Deselect Answer To increase specimen volume To reduce clot formation To prevent cellular metabolism from altering analytes To improve labeling accuracy None Comment 110. 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 111. What is the proper way to transport a specimen from a patient's room to the laboratory?Deselect Answer Place in a leak-proof, labeled specimen container inside a sealed biohazard bag before transport Carry the specimen open in a tray to prevent spills Leave the specimen on the nursing station counter for pickup Place specimen in the patient's bedside drawer until the lab picks it up None Comment 112. For which situation is a chain-of-custody form typically required?Deselect Answer Routine fasting glucose testing for clinical care Specimen being transferred between floors within the same facility for routine testing Forensic or legal drug testing where specimen integrity must be documented Daily quality-control checks of laboratory equipment None Comment 113. 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 114. 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 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. 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 117. A patient scheduled for fasting labs reports chewing gum during the fasting period. What is the best action?Deselect Answer Proceed with collection Document gum use and continue Clarify with the provider or follow policy before collecting Cancel the test without explanation None Comment 118. Which transmission-based precautions are required when collecting sputum from a patient suspected of active tuberculosis?Deselect Answer Standard precautions only Airborne precautions with an N95 respirator Droplet precautions with a surgical mask Contact precautions with gloves and gown None Comment 119. 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 120. What is the recommended safe method for handling a used hypodermic needle immediately after venipuncture?Deselect Answer Recap the needle using two hands before disposal Bend the needle before discarding Place it on a bedside tray for later disposal Activate the safety feature or use the one-handed scoop technique and dispose in a sharps container None Comment 1 out of 120
