Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

Question

Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

النسخة 3الرقم المعياري الدولي: 978-0133076011

Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

النسخة 3الرقم المعياري الدولي: 978-0133076011

تمرين 2

Aaron, a 2-year-old male, was seen by his pediatrician because he had a fever of 102 to 104ºF over the past 24 hours. Aaron was lethargic. Before this, he had been in good health except for two episodes of otitis.
Consider why the pediatrician might order laboratory tests and how this child's condition might affect the composition of his blood.
If Aaron was diagnosed with otitis media, what cellular component(s) in his blood would be playing a central role in fighting this infection?

التوضيح

موثّق

Otitis media is an infection that occurs in the middle ear. In this case, the ear is infected or clogged with fluid behind the eardrum. The three vital cellular constituents of blood are RBCs (red blood cells), WBCs (white blood cells) and platelets (thrombocytes).
Every cellular component has its own function. RBCs are involved in the transportation of oxygen to the lungs and all the tissues of the body. WBCs are further classified as eosinophil, basophils, neutrophils, lymphocytes, and monocytes.
All these have specific functions in protecting the body from foreign bodies. Thrombocytes have a role in maintaining homeostasis of the body. In the present case, Aaron is suffering from otitis media. It is the case of infection; the cellular components responsible for playing a central role in fighting this infection are WBCs.
In simple words, leukocytes or WBCs are known as scavengers of the body. These are the important cellular components, which protect the body by fighting against foreign pathogens (bacteria and virus), which are the cause of infection.