Phlebotomy Exam Prep 4, Needle Gauge and Length Selection

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: - Why the 21-gauge needle is the standard for routine adult venipuncture. - When to select a 22-gauge needle for patients with smaller or fragile veins. - The appropriate use of a 23-gauge butterfly needle for difficult or pediatric draws. - How to remember the inverse relationship between gauge number and needle diameter with a simple mnemonic. - How incorrect needle selection, particularly using a gauge that is too small, can lead to hemolysis and compromised test results. 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