
Phlebotomy Exam Prep 52, Sputum, Throat Swab, Nasopharyngeal
Published: June 18, 2026
Duration: 3:19
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 c...