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| Section | Objectives |
|---|---|
| Topic 1: Special Collections | - Pediatric and geriatric considerations - Non-routine specimen collection methods - Capillary puncture (fingerstick/heel stick) |
| Topic 2: Routine Blood Collections | - Order of draw - Venipuncture procedures - Equipment selection and use |
| Topic 3: Safety and Compliance | - Infection control and standard precautions - OSHA regulations and patient safety - HIPAA and patient confidentiality |
| Topic 4: Patient Preparation | - Site selection and preparation - Patient identification and communication - Specimen labeling procedures |
| Topic 5: Specimen Processing and Handling | - Common errors and rejection criteria - Quality assurance procedures - Specimen transport and storage |
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問題 #63
Which of the following PPE should a phlebotomist wear when there is a risk of blood splatter during collection?
答案：C
解題說明：
When there is a risk of blood splatter, the phlebotomist should wear eye and face protection, such as a face shield or goggles with a mask. Standard gloves protect the hands but do not protect the mucous membranes of the eyes, nose, and mouth. Sterile gloves are not routinely required for standard venipuncture; clean gloves are typically used unless a sterile procedure is specified. Shoe covers are not the primary protection for facial splash exposure. An N95 respirator protects against airborne particles but does not replace splash protection unless combined with appropriate eye and face protection when needed. The correct PPE is based on anticipated exposure. A routine venipuncture may require gloves only, but procedures with splash risk require additional barriers. The phlebotomist must evaluate the procedure, patient behavior, specimen type, and environment before collection. PPE use also includes proper donning, removal, disposal, and hand hygiene after glove removal. Reference topics: Safety and Compliance; PPE selection; standard precautions; splash exposure; mucous membrane protection.
問題 #64
A phlebotomist is preparing for a blood alcohol level test that will be admitted as evidence in a court of law. Which of the following preparations should the phlebotomist document?
答案：C
解題說明：
For a forensic blood alcohol level, the phlebotomist should document use of a non-alcohol-based preparation, represented here by chlorhexidine preparation rather than ethanol or isopropyl alcohol. The critical issue is legal defensibility: using an alcohol-containing skin antiseptic can create a challenge that the collection process contaminated or affected the blood alcohol evidence. Ethanol and isopropyl alcohol are both inappropriate choices for this context because they are alcohols. The direction of rubbing ethanol-up and down or circular-is irrelevant; the problem is the substance itself. Chlorhexidine is the only non-ethanol/non-isopropyl option listed and is therefore the correct answer, assuming the facility's forensic kit or protocol specifies an acceptable non-alcohol preparation. The phlebotomist must also maintain chain of custody, identify the patient/donor correctly, use the proper tube, seal the specimen, document collection time, and transfer the specimen according to legal procedure. Reference topics: Special Collections; blood alcohol collection; forensic specimens; chain of custody; documentation. NHA's CPT outline includes forensic studies and chain-of-custody collection requirements.
問題 #65
Which of the following types of medication is an indication for an INR draw?
答案：D
解題說明：
An anticoagulant is the medication type most directly associated with an INR draw. INR, or international normalized ratio, is used to evaluate clotting time and is especially important for monitoring patients who take warfarin or other anticoagulant therapy. These medications reduce the blood's ability to clot, so laboratory monitoring helps determine whether the patient is within the therapeutic range or at risk for bleeding or clotting complications. Anti-inflammatory medications may affect bleeding risk in some situations, but they are not the primary indication for an INR draw. Antihistamines are used for allergic symptoms, and antiemetics are used for nausea or vomiting; neither is routinely monitored by INR. From a phlebotomy standpoint, anticoagulant therapy also alerts the technician to apply pressure longer after venipuncture and observe for prolonged bleeding. Reference topics: Special Collections; coagulation testing; point-of-care INR; medication-related collection considerations; hemostasis. The NHA CPT test plan includes special collections, waived testing, and coagulation/hemostasis-related competencies.
問題 #66
OSHA requires employers to provide which of the following to employees who are at risk for bloodborne pathogen exposure?
答案：C
解題說明：
OSHA requires employers to offer the hepatitis B vaccine to employees who have occupational exposure risk to bloodborne pathogens. Phlebotomists routinely handle blood, contaminated needles, sharps, and potentially infectious materials, so they fall into the category of workers who require bloodborne pathogen protection under workplace safety standards. Hepatitis B is a bloodborne viral infection that can be transmitted through needlestick injuries, mucous membrane exposure, or contact with contaminated blood. The vaccine is an important preventive measure and must be offered according to employer exposure-control procedures. Medical insurance and life insurance are employee benefit issues, not OSHA bloodborne-pathogen requirements. Phenylketonuria screening is a newborn metabolic screening test and has no connection to employee exposure prevention. In practice, the phlebotomist must also follow standard precautions, use PPE, activate safety devices, dispose of sharps immediately, report exposures, and comply with the facility exposure-control plan. Reference topics: Safety and Compliance; OSHA Bloodborne Pathogens Standard; hepatitis B vaccination; occupational exposure; needlestick prevention.
問題 #67
A phlebotomist is collecting a blood culture set. Which of the following actions helps reduce contamination?
答案：A
解題說明：
Allowing the antiseptic to dry before puncture helps reduce blood culture contamination. Blood cultures require strict aseptic technique because skin organisms can enter the specimen and produce false-positive results. Repalpating the site after antisepsis with an ungloved finger contaminates the prepared area and should not be done. If repalpation is absolutely necessary, facility policy may require sterile technique or repeat antisepsis. A gray-top tube is not collected before culture bottles; blood cultures are collected first in the order of draw to maintain sterility. Cleaning only the bottle cap is incomplete because both the patient's skin and bottle access surfaces must be prepared according to procedure. Blood culture quality depends on correct skin antisepsis, adequate drying time, correct bottle order, sufficient volume, separate collection sites when ordered, and accurate documentation. Contaminated cultures can lead to unnecessary antibiotics, longer hospitalization, additional testing, and patient harm. Reference topics: Special Collections; blood cultures; contamination prevention; antiseptic drying; aseptic technique.
問題 #68
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