Phlebotomy-Technician認定試験について、あなたはどうやって思っているのですか。非常に人気があるNHAの認定試験の一つとして、この試験も大切です。しかし、試験の準備をよりよくできるために試験参考書を探しているときに、優秀な参考資料を見つけるのはたいへん難しいことがわかります。では、どうしたらいいでしょうか。大丈夫ですよ。Tech4Examはあなたの望みを察して、受験生の皆さんの要望にこたえるために、一番良い試験Phlebotomy-Technician問題集を提供してあげます。
| Section | Objectives |
|---|---|
| Topic 1: Safety and Compliance | - HIPAA and patient confidentiality - OSHA regulations and patient safety - Infection control and standard precautions |
| Topic 2: Patient Preparation | - Specimen labeling procedures - Site selection and preparation - Patient identification and communication |
| Topic 3: Routine Blood Collections | - Venipuncture procedures - Equipment selection and use - Order of draw |
| Topic 4: Special Collections | - Non-routine specimen collection methods - Capillary puncture (fingerstick/heel stick) - Pediatric and geriatric considerations |
| Topic 5: Specimen Processing and Handling | - Common errors and rejection criteria - Specimen transport and storage - Quality assurance procedures |
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質問 # 79
Which of the following practices violates standard precautions?
正解：C
解説：
Reusing a tourniquet visibly contaminated with blood violates standard precautions. Any reusable equipment contaminated with blood must be cleaned and disinfected according to facility policy, and single-use items must be discarded. Blood is treated as potentially infectious regardless of the patient's diagnosis or appearance. Wearing gloves during venipuncture is correct practice. Treating all blood as potentially infectious is the core principle of standard precautions. Washing hands after glove removal is also required because gloves can have microscopic defects or hands can become contaminated during removal. A contaminated tourniquet can transfer bloodborne pathogens or other organisms to patients, staff, and surfaces. Phlebotomists should inspect equipment before use, avoid placing supplies on contaminated surfaces, use disposable tourniquets when required, and disinfect reusable items appropriately. Infection-control failures often occur through routine shortcuts, not dramatic emergencies. This question tests whether the technician understands standard precautions as everyday behavior, not just PPE vocabulary. Reference topics: Safety and Compliance; standard precautions; reusable equipment; blood contamination; infection prevention.
質問 # 80
A phlebotomist is preparing to perform venipuncture on a patient who has had a right-sided mastectomy. Which of the following collection sites should the phlebotomist select?
正解：C
解説：
The phlebotomist should select the left antecubital area because the patient has had a right-sided mastectomy. Venipuncture should generally be avoided on the side of a mastectomy due to the risk of impaired lymphatic drainage, lymphedema, infection, and delayed healing. The right cephalic and right basilic veins are on the affected side and should not be used unless a provider specifically authorizes collection from that side. The left femoral artery is not an appropriate routine phlebotomy site and arterial collection is outside standard venipuncture practice unless performed under specialized authorization and scope. The left antecubital area is the safest option listed because it uses the unaffected arm and provides standard venipuncture access. The technician should still assess vein suitability, avoid sites with IVs, edema, scarring, hematoma, or infection, and follow facility policy if no acceptable site is available. This question tests contraindicated sites and safe site selection, not simply vein-name recall. Reference topics: Routine Blood Collections; mastectomy precautions; venipuncture site selection; contraindicated sites; patient safety.
質問 # 81
Which of the following pathologies requires a phlebotomist to use an N95 respirator?
正解：A
解説：
Tuberculosis requires airborne precautions, including use of a properly fitted N95 respirator or equivalent respiratory protection when indicated by facility protocol. Tuberculosis can spread through airborne droplet nuclei, so a simple surgical mask is not the same level of respiratory protection for healthcare personnel entering a TB-risk environment. Lyme disease is transmitted through tick exposure, not routine airborne patient contact. Heart disease is cardiovascular pathology and does not require an N95 respirator as a transmission-based precaution. Thrombocytopenia is a low platelet count and affects bleeding risk, not respiratory isolation. The phlebotomist must follow posted isolation signage, perform hand hygiene, use required PPE, and avoid entering isolation rooms without proper protection and training. This question tests transmission-based precautions and recognition of airborne disease hazards. Reference topics: Safety and Compliance; PPE; airborne precautions; infection control; respiratory protection; isolation signage. CDC guidance specifically identifies respiratory protection programs for healthcare personnel using respirators to protect against Mycobacterium tuberculosis exposure.
質問 # 82
Which of the following collections requires the phlebotomist to discard the first voided specimen and save all subsequent urine for a full day?
正解：B
解説：
A 24-hour urine collection requires the patient to discard the first voided specimen and then save all subsequent urine for the full collection period, including the final void at the ending time. Discarding the first void empties the bladder and establishes the start of the timed interval. A clean-catch urine culture requires cleansing and collecting a midstream specimen in a sterile container, not saving urine for 24 hours. A random urinalysis is collected at a single time and does not require timed accumulation. A sputum culture is a respiratory specimen, not a urine collection. Patient instruction is critical because one missed urine specimen can invalidate the entire 24-hour collection. The phlebotomist should explain start and stop times, storage requirements, preservative hazards if present, labeling, and return instructions. The patient should not change fluid intake unless instructed by the provider. Reference topics: Special Collections; 24-hour urine; patient instructions; non-blood specimens; timed collection.
質問 # 83
A patient's recent consumption of fatty substances could result in which of the following elevated analytes?
正解：D
解説：
Recent consumption of fatty substances can elevate lipid-related analytes and can also produce lipemia, a milky or turbid appearance in serum or plasma. Therefore, the correct answer is lipid. This is why fasting status is important for certain chemistry tests, especially lipid panels or triglyceride-related testing. If the patient has not followed fasting requirements, the specimen may not reflect basal-state values and can produce misleading results. Bilirubin is primarily associated with hemoglobin breakdown and liver or biliary function; it is not directly elevated simply because the patient recently ate fatty food. Albumin is a plasma protein reflecting liver synthesis, nutrition, inflammation, or fluid status, not immediate dietary fat intake. Lipase is a pancreatic enzyme used mainly in the evaluation of pancreatic disorders and is not the same as lipids. The phlebotomist's responsibility is to verify patient compliance with fasting, medication, timing, and basal-state requirements before collection and proceed according to facility policy. Reference topics: Patient Preparation; fasting requirements; medication and basal-state compliance; preanalytical variables.
質問 # 84
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