APPLIED RADIOLOGICAL ANATOMY

ANATOMY

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
These are a type of immune system cell (white blood cell). They phagocytize (“eat”) foreign substances and activate T cells.
A
Lymphocytes
B
Macrophages
C
Reticular cells
D
None of these
Explanation: 

Detailed explanation-1: -Macrophages work as innate immune cells through phagocytosis and sterilization of foreign substances such as bacteria, and play a central role in defending the host from infection.

Detailed explanation-2: -Phagocytosis is one main mechanisms of the innate immune defense. It is one of the first processes responding to infection, and is also one of the initiating branches of an adaptive immune response. Although most cells are capable of phagocytosis, some cell types perform it as part of their main function.

Detailed explanation-3: -The most common cells of the immune system can be categorized as lymphocytes (T cells, B cells, and NK cells), neutrophils, and monocytes/ macrophages. These are all types of white blood cells.

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