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Phlebotomy Procedures and Techniques, Exams of Nursing

A variety of phlebotomy procedures and techniques that a phlebotomy technician should be familiar with. It includes information on proper blood collection methods, handling of blood samples, quality control measures, and patient safety protocols. Detailed guidance on topics such as selecting the appropriate blood collection tubes, performing heel sticks, collecting blood cultures, and reporting laboratory results. It also addresses important considerations like verifying patient identification, following chain of custody guidelines, and preventing complications like hemolysis. Overall, this document serves as a comprehensive reference for phlebotomy best practices and can be valuable for training and educating phlebotomy professionals.

Typology: Exams

2024/2025

Available from 10/06/2024

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Download Phlebotomy Procedures and Techniques and more Exams Nursing in PDF only on Docsity! NHA CPT EXAM 2024-2024 NEWEST ACTUAL EXAM QUESTIONS WITH DETAILED CORRECT ANSWERS| 100% VERIFIED a phlebotomy technician is exposed to blood via a needle stick injury withing how many hrs should the technician initiate postexposure prophylaxis ( pep)? a) 24 hr b) 36 hr c) 48 hr d) 72 hr Correct Answer a which of the following tests is withing a phlebotomy technicians scope of practice? a)requesting a blood collection b) sharing a new laboratory results with a patient c) providing instructions to patients for specimen collection d0 discharging an inpatient following a blood collection Correct Answer c blood cultures have been ordered on an sdult patient in an intensive care unit. a nurse calls a phlebotomy technician to bring the appropriate materials . which of the following materials should the phlebotomy technician bring? a) two aerobic bottles b)two anaerobic bottles c) an anerobic bottle and an sps tube d) an aerobic bottle and an anaerobic bottle Correct Answer d a phlebotomy technician is preparing to perform a fingerstick for a patient which of the following actions should the technician take first? a) cleanse the site with antiseptic wipe b) select the appropriate part of the third or fourth finger c) position the blade of the lancet across the lines of the fingertip d) confirm the identity of the patient Correct Answer d which of the following is the best method for a phlebotomy technician to collect a blood specimen from an adult patient who has fragile, easy to collapse veins? a) choose a butterfly assembly using a regular ets tube b) choose a butterfly and use a pediatric tube c) choose a syringe and butterfly assembly and transfer to an ets tube d) choose a pediatric tube assembly and a regular ets tube Correct Answer C A phlebotomy technician is removing his gloves after a venipuncture procedure. which of the following actions should the technician take? a) grasp the tips of the fingers of one glove with the other glove in hand b) remove the glove so it turns inside out during removal c) discard the fist glove before removing the second glove d) true the gloves right side out before discarding them Correct Answer B A phlebotomy technician is preparing to dispose of contaminated sharps. According to OSHA standards. Which of the following actions should the technician take? a) replace the sharps container when its two-thirds full b) discard covered lancets into a metal trash receptacle c) recap needles before placing them into sharps container a phlebotomy technician is preparing to obtain a blood specimen from a patient for an erythrocyte sedimentation rate test. the technician should select a collection tube that has a top with which of the following colors? a) red b) light green c) lavender d) royal blue Correct Answer c which of the following tests is the most common point of care test performed at home and in medical facilities? a) pt/nr b) glucose c) cbc d) bmp Correct Answer b a phlebotomy technician is intructing a patient about how to collect a fwval occult specimen. which of the following instructions should the technician take? a) avoid taking ibuprofen b) collect fecal speciman for 2 days c) decrease fiber intake d) refrigerate each card until transporting them to the laboratory Correct Answer a which of the following actions should a phlebotomy technician take to verify the quaity of venipuncture supplies before beginning a blood draw on an adult patient? a) determine that the tourniquet is the proper size b) check the vaccum of the tube. c) inspect th integrity of the needles seal d) verify the adapter is the correct color Correct Answer C A phlebotomy technician is verifying a patients identity before performing a venipuncture procedure.Which of the following information should the technician request from the patient? a) the patients full name and date of birth b) the name of the patients provider c) the patients room and bed number d) the patients city and state of birth Correct Answer A how frequently should a phlebotomy technician perform a quality conrtol test ona glucometer in the laboratory? a) every month the meter is used b) every week the meter is used c) every day the meter is used d) every 6 months the meter is used Correct Answer c a phlebotomy technician is preparing to collect a patients troponin t levels which of the following troponin t levels should the technician immediately report to the provider? a) 0.3 ng/ml b) 0.2 ng/ml c)0.03 ng/ml d) 0.02 ng/ml Correct Answer a for which of the following conditions does emergency first aid treatment include maintaining an open airway,controlling bleeding, and keeping the patient warm until help arrives? a)syncope b) convulsions c) vomiting d) shock Correct Answer d a phlebotomy technician is preparing to obtain a blood specimen from a patient for thyroid studies the technician should select a collection tube that has a top with which of the following colors? a) speckled b) gray c) green d) light blue Correct Answer a which of the following information should a phlebotomy technician document when adhering to chain of custody guidelines? a) identity of everyone who had possession of the specimen b) identify of the officer in charge c) identify of lawyers involved d) identify of the judge involved Correct Answer a a phlebotomy technician should select a tube that has which of the following anticoagulants to collect a sample for a pt/ptt test? a) edta b) sodium citrate c) potassium oxalate d) heparin Correct Answer b a phlebotomy technician is preparing to perform a venipuncture on a patient. which of the following types of consent is the patient providing when she extends her arm to begin the procedure? a) expressed consent b) implied consent c) informed consent d) full disclosure Correct Answer B a phlebotomy technician has a requisition form for a series of tests on a patients serum. The technician should select a collection tube that contains which of the following additives? A) sodium fluoride? B) thrombin C) sodium citrate D) heparin Correct Answer B what following actions should a plebotomy technician take when reporting laboratory results? a) send the results to the patients partner b) send the results to the patients personal email c) send the results to patients ordering provider d) send the results to patients insurance office Correct Answer C a phlebotomy technician is preperaing to draw blood from a patient who states that this is his first blood draw which of the following actions should the technician take? a) explain the reason the test was ordered b)infrom the patient of possible complications of the procedure c)show the patient the gauge of the needle d) describe the procedure to the patient Correct Answer d commision recommends using the patients full name and which of the following pieces of information is accurate inpatient information? a) insuurance carrier b) medical record number c) labratory requisition number d) providers name Correct Answer c a phlbotomy technician is perfoming a venipuncture using a wing infusionset. the red topped tube fills but the blue topped tube slows and does not fill completely which of the following actions should the technician take? a) tell thepatient another venipuncture will need to be performed b) write insufficient quantity on the requisition form c) submit the partially filled light blue topped tube to the laboratory d) insert a new light blue topped to see if it will fill Correct Answer d a phlebotomist is drawing a patients blood whenthe patient states that she is becoming dissy and lih=ghy-headed. what following actions should the technician take first? a)place the patients head between her legs b) remove the tourniquet and needle c) call other medical personell for help d) instruct the patient to breathe deeply Correct Answer b a phlebotomy technician observes a hematoma developing at the site of venous blood draw which of the following actions should the technician take? a) observe the site to see if the hematoma worsens b) ask the patient to apply pressure to the area c)release the tourniquet and stop the draw d) call for a nurse to asses for the patients condition Correct Answer c a phlebotomy technician is planning to collect a sputum specimen from a patient which of the following instructions should the technician give the patient? a) rinse your mouth with mouthwash before we collect the specimen b) gargle some water before we collect the specimen c)leave dentures in during collection of specimen d) breath deeply and then cough up a specimen into the container Correct Answer d a phlebotomy technician is informing a patient about how to enter a basal state for a blood collection the technician should inform the patient not to consume food for how many hrs prior to blood collection? a) 12 b) 6 hr c) 24 hr d) 15 Correct Answer a a phlebotomy technician is perfoming a blood glucose test which of the following glucose levels should be technician identify as being outside the expected reference range ? a) 70 mg/dl b) 120 mg/dl c) 200 mg/dl d)86mg/dl Correct Answer c a phlebotomy technician is using an evacuated needle holder and blood collection tube to collect tube from a patient. which of the following actions should the technician take? a) position the needle at 45 degree angle to the skin b) insert the needle with he bevel facing downward c) palpate below the puncture site if blood is not established d) push the fist collection tube gently into the holder Correct Answer d a phlebotomy technician is preparing to draw blood from a patient in an impatient setting. The patient extends his arm turns his head away. the action by the patient is an example of which of the following type of consent? a) informed consent b) implied consent c) refusal on consent d) expressed consent Correct Answer b which of the following tubes should a phlebotomy technician collect first when obtaining dermal supplies? a) lavender top b) green top c) red top d) light blue top Correct Answer a a phlebotomy technician is preparing to collect a blood specimen from the hand of a patient whose veins are difficult to access. which of the following devices should the technician use? a) supply clamp b) phlebotomy wedge c) hand immobilizer d) hand brace Correct Answer c to prevent hospital acquired infections a phlebotomy technician should clean items that have been contaminated by blood with a 1:10 of which of the following substances and water? a) hydrogen peroxide b) isopropyl alcohol c) sodium hypochlorite d) benzalkonium chloride Correct Answer C a phlebotomy technician is collecting a blood specimen from a patient t measure the trough level of a medication. the technician should collect the specimen at which of the following times? a) within 15 min before th patient receives the next does of medication b) less then 15 min after the patient receives a dose of medication c) at least 2 hrs after the patient receives a does of medication d) approximately halfway between two doses of medication Correct Answer a a phlebotomy technician is following the clinical and laboratory standard institute (CLSI) clinical laboratory workflow pathway. As part of th post examination phase of this process,which of the following actions should the technician take? a) process the specimen b) review and verify the results c) provide post puncture care d) enter critical laboratory data Correct Answer D a phlebotomy technician is preparing to collect a venipuncture peak level for a patient in an impatient setting. which of the following actions should the technician take prior to collecting the blood specimen? a) ask the patient when he received his last does of medication b) ask the attending nurse if the patients vancomycin is accurate c) ask the pharmacist when the next dose of vancomycin is scheduled for the patients d) ask the provider if th patients has received his dose of vancomycin Correct Answer B a phlebotomy technician has a requisition form for a series of test on a patients serum. the technician should select a collection tube that contains which of the following additives ? a) sodium fluoride b) thrombin c) sodium citrate d) heparin Correct Answer b a phlebotomy technician is assembling the equipment he will need for collecting donor units of blood. which of the following needle sizes the technician select? a) 23 gauge b) 22 gauge c) 21 gauge d) 18 gauge Correct Answer d a phlebotomy technician should transport a semen sample at which of the following temperature? a) -20 to -10 C b) 21 to 23 C c) 25 to 30 C d) 36 to 38 C Correct Answer D which of the following actions should a phlebotomy technician take to locate a vein using warning technique? a) heat a clean towel to 45 C (113F) b) wrap the warm towel around the site for 1 to 2 min c) encase the warm towel in plastic bag d) ask the patient to rinse her hands down in warm water for 2 min Correct Answer C a phlebotomy technician should identify which of the following is the first step in the blood collection procedure? a) test requisition b) preparing equipment c) test accession d) vein location Correct Answer a a phlebotomy technician is reviewing a laboratory test requisition form before obtaining blood specimens from a patient, which of the following action should th technician take prior to performing the venipuncture a) ensure the requisition form includes an accession number b) review the patients medication record c) check the providers availability d) check the requisition form for duplicate test orders Correct Answer D a phlebotomy technician should identify that which of the following is an identifier for a specimen as long as it remain in the laboratory? a) ICD- 10 codes b) accession number c) CPT code d) medical record number Correct Answer D a phlebotomy technician is preparing to collect a blood specimen from a patient who is allergic to alcohol . which of the following c) hemoconsentration d) specific gravity imbalance Correct Answer B for which of the following tests should phlebotomy technician follow chainnof custody guidelines? a) lithium b) prothrombin time c) troponin d) blood alcohol Correct Answer D which of the following regulations ensures that a phlebotomy technician is proficient to perform duties and responsibilities? a) HIPAA b) CLIA c) Anti- kickback statue d) civil monetary penalties law Correct Answer B a phlebotomy technician is using a glucosemoniter for point of care testing of a patient who has been fasting for 12 hr. for which of the following should the technician immediately notify the provider? a)70 mg/dL b) 90 mg/dL c) 110 mg/dL d) 130 md/dL Correct Answer D a phlebotomy technician is collecting a venipuncture from a patient for a blood assay. the technician should fill which of the following tubes first? a) light-blue topped tube b) lavender topped tube c) green topped tube d) yellow topped tube Correct Answer D a phlebotomy technician should identify that which of the following phrases is represented by the abbreviation of "SD"? a) standard decision b) standard determination c) standard deviation d) standard development Correct Answer C a phlebotomy is collecting a blood specimen from an adolescent patient who weights 42,6 kg (95 lb) which of off the following amounts is the maximum volume of blood the technician should draw from this patient at any one time to avoiding causing anemia? a)10 mL b) 20 mL c) 25 mL d) 30mL Correct Answer D a phlebotomy technician is collecting a blood specimen from a patient for blood culture which of the following additives do the blood collection tubes require? a) EDTA b) sodium polynetheal sulfonate c) gel serum separator d) sodium heparin Correct Answer B during a routine venipuncture a phlebotomy technician notices that a patient is becoming pale and diopheric. The technician should identify that the patient is at risk for which of the following conditions? a) syncope b) seizure c) nausea d) petachiae Correct Answer a a phlebotomy technician is collecting a blood specimen from a patient to measure the trough level medication the technician should collect the specimen at which of the following times? a) within 15 min before the patient receives a dose of medication b) less than 15 after the patient receives a dose medication c) at least 2 hrs after the patient receives a dose of medication d) approximately halfway between two does of the medication Correct Answer a a phlebotomy technician is intersecting a patient to collect a clean catch urine specimen . which of the following cleansers should the technician instruct the patient to use when cleansing around her urinary meatus? a) hydrogen peroxide b) mild antiseptic soap c) povidone-iodine d) isopropyl alchol Correct Answer B a phlebotomy technician is removing his gloves after a venipuncture procedure. which o the following actions should the technicians take? a) grasp the tips of the fingers of on glove with the other glove in hand b) remove the first glove so that it turns inside out during removal c) discard the first glove before removing the second glove d) turn the gloves right side out before discarding them Correct Answer B which of the following is a potential consequence of a phlebotomy technician mislabeling a blood bank specimen? a) A HIPAA violation b) a transfusion reaction c) medical transcription error d) a pharmaceutical reaction Correct Answer B of reduced platelet function and carries an increased risk of bleeding. Which of the following is appropriate to use when collecting for a chemistry test that requires serum? Correct Answer SST A phlebotomist working in a fertility clinic draws blood from a patient who also must submit a semen sample for analysis. Which of the following should the phlebotomist tell the patient? Correct Answer "As soon as you collect the specimen, keep it next to your body. We will need to submit it right away for testing." Semen samples for fertility must be delivered to the laboratory within 2 hr of collection and kept at body temperature. Which of the following test results are affected when povidone iodine is used to cleanse the site for a dermal puncture? Correct Answer Potassium Blood cultures have been ordered on a patient in the intensive care unit. The nurse calls the phlebotomist to bring the appropriate materials. Which of the following should the phlebotomist bring? Correct Answer An aerobic and an anaerobic bottle When a phlebotomist is distributing laboratory results to ordering physicians, which results have priority? Correct Answer Pre- surgical test results are a priority to report, because the results may alter how or if a surgery is performed. Which of the following can cause a hemolyzed specimen? Correct Answer Shaking the collection tube vigorously. This will cause the red blood cells to rupture, causing hemolysis. Which of the following is an example of the acceptable reporting of routine lab results? Correct Answer Send the results to the physician in a marked envelope. Before the phlebotomist performs a venipuncture, the patient warns the he is HIV positive. According to OSHA regulations, after donning gloves, the phlebotomist should... Correct Answer perform the venipuncture as normal per OSHA regulations. Which of the following is an appropriate cleanser for cleansing around the urinary meatus in a clean-catch urine collection Correct Answer Benzalkonium chloride The phlebotomist should use a tube with which of the following anticoagulants to collect a PT/PTT test? Correct Answer Sodium citrate When should the code on glucose cuvettes or strips be compared to the code on the glucose meter? Correct Answer When a patient is tested A phlebotomist receives orders to draw an infant screening card, O2 levels, bilirubin, and DNA. Which of the following should be drawn first? Correct Answer O2 levels. The infant may cry due to the draw, so every attempt must be made to collect the O2 levels as close to resting as possible. After performing a heel puncture for neonatal screening, which of the following is the correct procedure for collecting the blood? Correct Answer Saturate each circle. Which of the following indicates the correct order of draw? Correct Answer Green, lavender, gray The order of draw for capillary collections is different than venipuncture because of... Correct Answer an increased rate of coagulation A phlebotomist is preparing to perform a hand draw. Which of the following should the phlebotomist assemble? Correct Answer Winged infusion set and adapter A patient comes in to find out his test results. The phlebotomist notices the results are ready and verifies the patient's identity. Which of the following actions is most appropriate? Correct Answer Inform the patient to contact the ordering physician to get the results During a venipuncture, the patient reports a sharp pain radiating down the arm. Which of the following actions should the phlebotomist take? Correct Answer Release the tourniquet and remove the needle A blood specimen was rejected by the laboratory with the abbreviation QNS. Why was the specimen rejected. Correct Answer The specimen was insufficient Which of the following is the best method to prevent internal or external bleeding from the venipuncture site after the needle is removed? Correct Answer Apply pressure to prevent leakage of blood into the tissues. When collecting a routine blood sample, which of the following vessels should the phlebotomist attempt to draw from first Correct Answer Median cubital A diabetic patient states she prefers to be drawn on the inside of her wrist. Which of the following actions should the phlebotomist take? Correct Answer Attempt to draw from the antecubital A 69-year old unconscious patient is brought to the emergency department. Several blood tests are ordered. The phlebotomist collects blood under... Correct Answer implied consent A physician orders a specimen STAT, but the phlebotomist forgets to fill out the patient ID number. What is the appropriate procedure for a improperly labeled specimen once the outside laboratory receives it? Correct Answer The laboratory rejects the mislabeled specimen Which of the following is the best method to collect a blood specimen from an older adult patient who has fragile, easy-to- collapse veins? Correct Answer Choose a syringe and butterfly assembly and transfer to an ETS tube. A phlebotomist collects multiple specimens on a premature infant. Which of the following is a possible result of the procedure? Correct Answer Iatrogenic anemia. This disease is caused by too much blood loss from testing, and clearing of lines. Why is it important to place a specimen in a biohazard specimen bag when transporting to an outside laboratory? Correct Answer The biohazard bag prevents a possible exposure incident The phlebotomist should examine the antecubital veins of both arms for which of the following reasons? Correct Answer The median cubital vein could be more accessible on one side than the other. When should a phlebotomist perform external liquid controls for quality control on a CLIA-waived point of care test? Correct Answer When a new lot number or kit is opened. Which of the following is a potential consequence of mislabeling a blood bank specimen? Correct Answer A transfusion reaction. Could cause a fatal transfusion. Which of the following actions would result in a grossly hemolyzed specimen? Correct Answer An incorrect needle gauge. A large- guage needle indicates a smaller lumen, which causes hemolysis. Upon entering a patient's room for a routine blood draw, a phlebotomist notices a clergy member is with the patient. The phlebotomist should... Correct Answer return after drawing other patients if it isn't a STAT test. A patient states that this is his first blood draw. Which of the following actions is appropriate? Correct Answer Describe the procedure When alcohol is used to cleanse the veipuncture site, it must be allowed to air dry prior to the venipuncture because alcohol... Correct Answer requires time for antiseptic action A phlebotomist must centrifuge a serum specimen before shipment to an outside reference laboratory because... Correct Answer cells must be separated from the serum. If not the cells continue to metabolize into the serum. The phlebotomist needs to draw a glucose tolerance test (GTT) on a patient and notices an empty breakfast plate on the bedside table. Which of the following actions should the phlebotomist take? Correct Answer Ask the patient when she last ate or drank Some older-adult or obese patients may not have accessible antecubital veins. In this situation, the phlebotomist may use which of the following? Correct Answer Dorsal veins (veins on the back of the hand) While a phlebotomist is performing a venipuncture, the patient begins to seize. Which of the following is an appropriate action for the phlebotomist to take? Correct Answer Discontinue the draw. A phlebotomist is educating a patient about the proper at-home collection procedure for a semen specimen. Which of the following statements indicates the patient understands the teaching? Correct Answer "I will collect the specimen in a sterile container and return with 1 hr." During venipuncture, the phlebotomist is stuck with a used needle. Which of the following is the first action the phlebotomist should take? Correct Answer Flush the injured area with running water During a draw, the patient becomes unresponsive. What is the next action the phlebotomist should take? Correct Answer Check for breathing Which of the following statements by a phlebotomist regarding skin preparation for blood cultures is appropriate? Correct Answer "I will cleanse the area with povidone iodine" A phlebotomist sees a coworker receive a major electrical shock from an instrument. Which of the following is the first thing the phlebotomist must do. Correct Answer Shut off power to the instrument Which of the following identifies a specimen as long as it remains in the laboratory? Correct Answer Accession number. This is the number which identifies the specimen as long as it remains in the laboratory. should the phlebotomist perform? Correct Answer A syringe draw transferred into a light blue Vacutainer A phlebotomist observes a hematoma developing at the site of a venous blood draw. The phlebotomist should... Correct Answer release the tourniquet and stop the draw. Which of the following venipuncture steps are in the appropriate order? Correct Answer Access the site, cleanse the site, insert the needle A phlebotomist working in an outpatient facility finds an unconscious patient in the waiting room bleeding profusely from the leg. Which of the following actions should the phlebotomist take first? Correct Answer Apply direct pressure to the wound. For which of the following must the phlebotomist follow chain of custody guidelines? Correct Answer Paternity testing According to standard precautions, what is the procedure for shipping specimens to a reference laboratory in hot weather? Correct Answer Place in a box with cold packs and a biohazard label. Before leaving the patient's room, which of the following actions is required for the phlebotomist to take? Correct Answer Initial and date/time mark each tube drawn When preparing for transport, which of the following specimens must be placed into an ice bath within 30 minutes after collection? Correct Answer Arterial blood gases Which of the following is the total blood volume of a 3.3kg infant? Correct Answer 240 to 330 ml WBC, RBC, glucose, and electrolyte tests are ordered for a patient. The phlebotomist is unable to find accessible veins and has determined that it is acceptable to perform a skin puncture. What color tube should be drawn. Correct Answer Lavender and red Industry standards states that needle insertion in the antecubital area should be at a Correct Answer 15-30 degree angle Which of the following questions is most important to ask the patient prior to collecting a metabolic panel? Correct Answer "When was the last time you ate?" Which of the following outcomes is the most damaging if data is entered incorrectly into the automated Laboratory Information System? Correct Answer The incorrect data may be reported to the health care provider A physician ordered a Tobramycin level to be drawn on hour after dose. The Tobramycin has been ordered for 1100. Which of the following actions should the phlebotomist take? Correct Answer Check with the nurse to verify the exact time the medication was given. Tubes with which of the following additives should be used when collecting a sample for a CBC Correct Answer EDTA Which of the following statements is an appropriate introduction for a student phlebotomist? Correct Answer "Hi my name is Sally Smith. I am a student phlebotomist and I'm here to collect a blood specimen." A patient asks the phlebotomist to please use her finger for the blood work. The phlebotomist can do this if... Correct Answer the ordered tests can be performed on a capillary specimen. After placing the tourniquet on a patient's arm, the phlebotomist notices small red spots below the tourniquet. Which of the following is the correct term fro these spots? Correct Answer Petechiae A phlebotomist performs a point-of-care glucose test on an outpatient. The result is in the critical value range. Which of the following actions is appropriate? Correct Answer Report the result to the patient's physician. Which of the following are appropriate forms of identification in the inpatient setting? Correct Answer Verbal, wrist band