Textbook Question
Lymphocytes continuously circulate through the body using blood and lymph as their transport vehicles. What is the importance of this recirculation behavior?
730
views
17. The Blood
Leukocytes
Multiple Choice
What is the most common type of leukocyte in a healthy adult?
A
Eosinophils
B
Lymphocytes
C
Monocytes
D
Neutrophils
Verified step by step guidance1
Understand that leukocytes, or white blood cells, are a crucial part of the immune system, responsible for defending the body against infections and foreign invaders.
Recognize the different types of leukocytes: neutrophils, eosinophils, lymphocytes, monocytes, and basophils, each with specific roles in the immune response.
Identify that neutrophils are the most abundant type of leukocyte in the bloodstream of a healthy adult, typically comprising about 50-70% of the total white blood cell count.
Learn that neutrophils are the first responders to microbial infection; their primary function is to engulf and destroy bacteria and fungi through a process called phagocytosis.
Remember that the high prevalence of neutrophils in the blood is due to their critical role in the innate immune response, providing a rapid reaction to infection.
Related Videos
Related Practice
