White Blood Cells: The 5 WBC Types, Reference Ranges, & Functions | Pathophysiology | NCLEX Prep

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► THIS VIDEO unravels the complex mysteries hidden within lab values. For this episode, we're immersing ourselves in the realm of white blood cells🩸— a vital component of the Complete Blood Count (CBC). 🔬
Let's begin by unveiling the five distinct types of white blood cells: monocytes, lymphocytes, neutrophils, eosinophil, and basophils. These tiny cellular heroes play a pivotal role in the body's immune system, and understanding their functions is key to providing exceptional patient care. 📊✏️
Our primary goal is to demystify the enigma of white blood cell counts, whether they fall into the category of being too low, known as leukopenia, or too high, referred to as leukocytosis. These conditions can provide vital clues about a patient's health, and it's crucial to grasp the underlying causes. 🧩💡
When exploring leukopenia 🦠, you'll gain insights into potential triggers such as autoimmune disorders, bone marrow complications, and even the presence of cancer. These conditions warrant careful consideration in the healthcare setting, and we'll equip you with the knowledge to do just that.
On the flip side, we'll delve into the intricate web of reasons behind leukocytosis. From infections and inflammation to immune system disorders and bone marrow diseases, you'll gain a comprehensive understanding of the factors contributing to elevated white blood cell counts. 💥
To complete the picture, we'll also explore how medications💊 can influence white blood cell counts. This knowledge is invaluable in patient care, where understanding the potential impact of drugs on these vital cells can make all the difference. 💉
But this video isn't just about acquiring knowledge; it's about developing critical thinking skills. By the end of this episode, you'll have the ability to decode lab reports with confidence, ensuring that you can accurately assess a patient's health status based on their white blood cell counts. 🏥👩⚕️Remember, nursing is as much about understanding the nuances of lab values as it is about connecting with and caring for your patients. 📚

► THE PROF 👩⚕️
Dr. Rhonda Lawes is a Certified Nurse Educator (CNE), and an Assistant Professor at the University of Oklahoma College of Nursing in Oklahoma, USA. She obtained her PhD in Educational Psychology from Oklahoma State University in 2016. Due to her achievements, she has earned numerous teaching awards. She teaches nursing students how to use the science of cognitive learning to maximize their study effectiveness. Within Lecturio, Dr. Lawes is the Director of Nursing Education Programs, and teaches courses on Pharmacology (Nursing), Medical Surgical Nursing and Pathophysiology. 💉🩺📋

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Disclaimer: Lecturio offers educational content for healthcare students to prepare for exams and/or to review knowledge gained at a Medical School. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment suggestions. Our resources are strictly for educational purposes. Always consult healthcare professionals for medical concerns.

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► CHAPTERS
00:00 Introduction: Understanding White Blood Cells
00:13 The 5 Types of White Blood Cells
00:48 Low White Blood Cell Count (Leukopenia)
00:55 Causes of Low White Blood Cell Count
02:36 High White Blood Cell Count (Leukocytosis)
03:02 Causes of High White Blood Cell Count
03:44 Identifying Patterns and Relationships
04:25 Reference Ranges for White Blood Cells
04:53 Analyzing White Blood Cell Values
06:25 Importance of Careful Examination