Nursing & Healthcare Exam Prep

Phlebotomy Exam Prep 28, Hemolysis — Causes and Prevention

4 min · 25 de may de 2026
Portada del episodio Phlebotomy Exam Prep 28, Hemolysis — Causes and Prevention

Descripción

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How vigorous shaking and traumatic 'probing' draws mechanically destroy red blood cells. - Why using a small gauge needle with a large vacuum tube is a common cause of hemolysis. - The critical impact of hemolysis on test results, causing false elevation of Potassium, LDH, and AST. - How to visually identify a hemolyzed sample by its characteristic pink or reddish serum. - That the only correct action for a hemolyzed specimen on an exam is to request a recollection. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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episode Phlebotomy Exam Prep 52, Sputum, Throat Swab, Nasopharyngeal artwork

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This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to differentiate between a valid deep-cough sputum sample and an invalid saliva sample for accurate testing. - Why first morning sputum collection yields the most concentrated and reliable specimen for respiratory diagnostics. - The precise anatomical landmarks for a throat swab, focusing on the tonsils and posterior pharynx while avoiding contamination. - The correct technique for a nasopharyngeal swab, including insertion depth, angle, and the crucial 5-10 second hold time. - How to identify common exam traps related to specimen rejection and recollection due to procedural errors like sample contamination. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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episode Phlebotomy Exam Prep 51, Stool Specimen Collection artwork

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This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical importance of avoiding urine and toilet water contamination for all stool samples and the reasons why. - Key dietary and medication restrictions (red meat, certain vegetables, aspirin, Vitamin C) required for the gFOBT and why the FIT does not have these restrictions. - The specific collection protocol for Ova and Parasites (O&P) testing, requiring three separate samples on different days. - The differences in sample requirements for specialized tests like C. diff toxin (requiring a fresh, unformed sample) and calprotectin (an inflammation marker). - A mnemonic to remember gFOBT restrictions: "No Red Meat on the Blue Sheet." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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episode Phlebotomy Exam Prep 50, Urine Drug Screen — Special Handling artwork

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This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The mandatory temperature range (90-100°F) and 4-minute timeframe for urine drug screens. - Why an unbroken chain of custody is legally critical and what constitutes a "broken" chain. - The difference between the collector's role (temperature check) and the lab's role (creatinine/specific gravity check) in detecting adulteration. - The specific triggers, like an out-of-range temperature, that require a directly observed collection. - A simple mnemonic (T-C-C: Temperature, Chain of Custody, Creatinine) to remember the key validation steps. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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episode Phlebotomy Exam Prep 49, 24-Hour Urine — Patient Instructions artwork

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This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The correct procedure for starting a 24-hour urine collection by discarding the first void. - Why every void, including the first morning specimen on day two, must be collected. - The critical importance of continuous refrigeration or icing of the specimen. - How specific preservatives are required for certain tests and the associated safety precautions. - Common patient errors that invalidate the test and are frequently tested on the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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episode Phlebotomy Exam Prep 48, Urine Specimen Collection Types artwork

Phlebotomy Exam Prep 48, Urine Specimen Collection Types

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The first-morning specimen is the most concentrated, making it ideal for pregnancy and bacterial culture tests. - Master the precise steps of the mid-stream clean-catch technique for both males and females to prevent specimen contamination. - For a 24-hour urine collection, the patient must discard the first void to start the clock and then collect every subsequent sample, including the final one 24 hours later. - All urine specimens must be refrigerated or tested within two hours of collection to ensure the integrity of the sample. - A catheterized urine specimen must be drawn from the catheter's collection port, not the drainage bag, to obtain a fresh, uncontaminated sample. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

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