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| Section | Objectives |
|---|---|
| Safety and Compliance | - OSHA regulations and patient safety - Infection control and standard precautions - HIPAA and patient confidentiality |
| Special Collections | - Capillary puncture (fingerstick/heel stick) - Pediatric and geriatric considerations - Non-routine specimen collection methods |
| Routine Blood Collections | - Venipuncture procedures - Order of draw - Equipment selection and use |
| Patient Preparation | - Patient identification and communication - Specimen labeling procedures - Site selection and preparation |
| Specimen Processing and Handling | - Common errors and rejection criteria - Quality assurance procedures - Specimen transport and storage |
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111. Frage
Which of the following specimens should a phlebotomist protect from light immediately after collection?
Antwort: B
Begründung:
Bilirubin specimens should be protected from light immediately after collection because bilirubin is photosensitive. Exposure to light can degrade bilirubin and produce falsely decreased results. The phlebotomist should follow facility procedure, which may include wrapping the tube in foil or using an amber transport container. Blood urea nitrogen is not classically light-sensitive; it is generally handled as a routine chemistry analyte unless special facility requirements apply. Sodium testing does not require light protection. Hemoglobin A1c reflects long-term glycemic exposure through glycated hemoglobin and is not light-sensitive in the same way bilirubin is. The broader technical principle is that specimen handling requirements are test-specific. Some specimens require chilling, some must remain warm, some require rapid transport, some must avoid light, and some require timed collection. Failure to follow these requirements creates preanalytical error even when the venipuncture itself was performed correctly. Reference topics: Special Collections; Processing Specimens; light-sensitive specimens; bilirubin handling; specimen integrity.
112. Frage
At which of the following angles should a phlebotomist insert an antecubital venipuncture needle?
Antwort: D
113. Frage
Which of the following actions should a phlebotomist take when preparing a specimen for transport?
Antwort: D
Begründung:
When preparing a specimen for transport, the phlebotomist should keep the tube with the stopper upright whenever practical. Upright positioning helps reduce leakage risk, prevents specimen contact with the stopper area more than necessary, and supports safe handling during movement to the laboratory or processing area. Refrigerating infectious substances is not a universal transport rule; temperature requirements depend on the ordered test and specimen handling instructions. Agitating a tube vigorously is incorrect because it can cause hemolysis, clot disruption, foaming, or cellular damage. Additive tubes are mixed by gentle inversion according to manufacturer guidance, not shaking. Wrapping multiple tubes together is also poor practice because tubes should be protected from breakage, leakage, and cross-contamination using proper specimen transport bags, absorbent material when required, and separated compartments when applicable. Proper transport preserves analyte stability, patient safety, and biohazard control. NHA CPT processing content includes preparing specimens for testing or transport, maintaining specimen integrity based on temperature, light, or time requirements, and following handling, storage, transportation, and disposal requirements. Reference topics: Processing Specimens; specimen transport; tube handling; specimen integrity.
114. Frage
Which of the following should a phlebotomist verify for quality control protocol prior to using vacuum tubes?
Antwort: C
Begründung:
Before using evacuated vacuum tubes, the phlebotomist must verify the expiration date. Expired tubes can lose vacuum, produce inadequate draw volume, compromise the blood-to-additive ratio, or contain additives that no longer perform as intended. This can directly affect specimen integrity and may lead to inaccurate results or specimen rejection. Needle integrity is also important, but it applies to needle inspection rather than vacuum tube quality control. Visible additive may be observed in some tubes, but not all additives are easily visible, and visibility alone does not confirm the tube is acceptable for use. Name on label is not checked before using an unused tube because patient labeling occurs after collection according to facility policy and positive patient identification requirements. Tube quality control includes inspecting tubes for cracks, contamination, expired dates, defective stoppers, and compromised vacuum. NHA CPT routine collection content specifically includes selecting and assembling equipment, verifying equipment quality, checking expiration dates, and inspecting evacuated tubes required for laboratory testing. Reference topics: Routine Blood Collections; evacuated tube quality control; expiration dates; equipment inspection.
115. Frage
Which of the following agencies enforces workplace standards related to bloodborne pathogens?
Antwort: B
Begründung:
OSHA enforces workplace standards related to bloodborne pathogens. In phlebotomy, OSHA's Bloodborne Pathogens Standard is central because technicians routinely handle blood, sharps, contaminated equipment, and potentially infectious materials. OSHA requirements support exposure-control plans, engineering controls, sharps safety, PPE, hepatitis B vaccination access, training, and post-exposure follow-up. The FDA regulates drugs, biologics, and medical devices, but it does not enforce employer bloodborne pathogen workplace standards in the same way OSHA does. CMS administers Medicare and Medicaid and oversees certain healthcare quality and laboratory-related regulatory structures, but it is not the primary workplace bloodborne pathogen enforcement agency. DEA regulates controlled substances, which is unrelated to routine phlebotomy safety. A phlebotomist does not need to be a legal scholar, but they must know which agencies govern common safety and compliance issues. This knowledge supports correct behavior during needlesticks, sharps disposal, PPE use, exposure reporting, and infection-control practice. Reference topics: Safety and Compliance; OSHA; bloodborne pathogens; exposure-control plan; workplace safety.
116. Frage
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