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| Section | Objectives |
|---|---|
| Patient Preparation | - Explaining procedures and obtaining consent - Patient identification and communication - Site selection and preparation |
| Professional Practice | - Ethics and patient confidentiality (HIPAA) - Communication and professionalism |
| Specimen Collection | - Venipuncture techniques - Order of draw and tube handling - Capillary puncture procedures |
| Specimen Processing and Handling | - Labeling and documentation - Specimen transport and storage - Quality control and rejection criteria |
| Safety and Compliance | - Infection control and PPE usage - Needlestick prevention and biohazard disposal - OSHA standards and safety protocols |
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45. Frage
A phlebotomist in an emergency department is obtaining a blood sample from a patient who asks the purpose of the test. Which of the following responses should the phlebotomist give?
Antwort: D
Begründung:
The phlebotomist should respond, "It's best that you ask the provider." A phlebotomist may explain the collection procedure, identify themselves, verify the patient, and answer process-related questions, but the clinical purpose, diagnosis, treatment rationale, and interpretation of ordered tests belong to the ordering provider or authorized clinical personnel. Saying the test screens for communicable diseases is unsafe because it may be inaccurate and could mislead or alarm the patient. Saying "I'm not sure" is weak communication and does not guide the patient to the correct source. Saying the purpose can be explained after completion is also inappropriate because it delays the patient's right to ask clinical questions before the procedure. The correct professional response maintains scope of practice, avoids unauthorized interpretation, and directs the patient to the person responsible for the order. NHA CPT patient-preparation content includes communication with patients, explaining the phlebotomy procedure, receiving consent, complying with ethical standards, and respecting scope of practice. Reference topics: Patient Preparation; scope of practice; patient communication; consent and procedure explanation.
46. Frage
A phlebotomist discovers that they obtained a specimen in an expired additive tube. Which of the following actions should the technician take?
Antwort: A
Begründung:
The specimen must be redrawn in an unexpired tube. Expired additive tubes cannot be trusted because the vacuum, sterility, additive concentration, stopper integrity, and chemical performance may be compromised. Once blood has been collected into an expired additive tube, the specimen is already affected by that collection environment; transferring it into another tube does not correct the original exposure and can introduce additional hemolysis, contamination, clotting, or additive-ratio errors. Placing the specimen on ice does not reverse an expired additive problem. Submitting the specimen because the tube is "within 30 days" of expiration is unsafe; expired means expired, and laboratory acceptance criteria are based on valid collection supplies. This is a preventable preanalytical error, and the phlebotomist should also remove expired supplies from use to prevent recurrence. Tube expiration checks must occur before collection, not after the draw. Reference topics: Processing Specimens; preanalytical error; expired supplies; specimen rejection; tube quality control; recollection procedures.
47. Frage
Which of the following information should a phlebotomist document for a blood culture collection?
Antwort: C
Begründung:
For blood culture collection, the phlebotomist should document the site of collection. Blood cultures are often drawn from separate sites to help distinguish true bloodstream infection from contamination. Accurate site documentation supports interpretation if one bottle set grows organisms and another does not. It also provides traceability for collection quality, timing, and possible contamination review. Type of culture media is generally determined by the blood culture bottle system and laboratory protocol; it is not the key patient-specific documentation item in this question. Blood collection technique is expected to follow facility policy, but it is not typically the primary required field compared with date, time, collector identity, and site. Informed consent is not usually a separate required document for routine blood culture collection unless facility policy or special circumstances require it. Blood culture technique requires strict antisepsis, appropriate bottle preparation, correct order, sufficient volume, and avoidance of contamination. NHA CPT special collection content includes performing blood culture collections, blood culture locations, skin preparation, equipment, volume requirements, bottle preparation, and order of draw. Reference topics: Special Collections; blood culture collection; site documentation; contamination control.
48. Frage
A phlebotomist should identify which of the following as the best site for phenylketonuria collection on an infant?
Antwort: D
Begründung:
The best site for phenylketonuria, or PKU, collection on an infant is the medial or lateral plantar surface of the heel. PKU screening is a newborn metabolic screening test commonly collected by heel stick onto filter paper. The medial and lateral heel areas are selected because they provide adequate capillary blood flow while reducing the risk of puncturing bone. The central area of the heel is unsafe because the calcaneus may be closer to the puncture site, increasing the risk of bone injury or osteomyelitis. Fingertip puncture is inappropriate for infants because the tissue is small, bone is close to the surface, and the site does not provide the recommended specimen collection area for newborn screening. Proper PKU collection also requires warming the heel when indicated, allowing blood to flow freely, filling filter-paper circles completely from one side, avoiding layering, and allowing the specimen to dry properly before transport. NHA CPT special collection content includes collecting blood for metabolic syndromes such as PKU, filter-paper collection techniques, pediatric considerations, and minimum/maximum volume requirements. Reference topics: Special Collections; PKU collection; infant heel puncture; filter-paper specimen collection.
49. Frage
A blood specimen is rejected by the laboratory for testing. Which of the following actions should the phlebotomist take?
Antwort: D
Begründung:
The phlebotomist should contact the patient to repeat the venipuncture collection, following facility policy and provider notification procedures. A rejected specimen cannot be tested reliably, so the practical correction is recollection using the proper tube, volume, labeling, handling, and transport requirements. Waiting until the next yearly visit is unacceptable because the ordered test was needed for current clinical care. Shredding documentation is improper unless performed under approved records-management procedures, and it does not solve the missing valid specimen. Sending laboratory results by mail is impossible or inappropriate when the specimen was rejected and no valid result exists. Specimen rejection usually results from preanalytical problems such as wrong tube, insufficient volume, hemolysis, clotting in an anticoagulant tube, unlabeled or mislabeled specimen, expired supplies, improper temperature, or delayed transport. The phlebotomist's job is to correct the collection failure promptly and prevent recurrence. Reference topics: Processing Specimens; specimen rejection; recollection; preanalytical error; specimen integrity.
50. Frage
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