LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

SIGNALLING IMMUNOLOGY CANCER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The first cells the respond to an immune attack are-
A
Helper T Cells
B
Suppressor Cells
C
Macrophage
D
Killer B Cells
Explanation: 

Detailed explanation-1: -The macrophages and neutrophils of the innate immune system provide a first line of defense against many common microorganisms and are essential for the control of common bacterial infections. However, they cannot always eliminate infectious organisms, and there are some pathogens that they cannot recognize.

Detailed explanation-2: -Some types of white blood cells, called phagocytes (FAH-guh-sytes), chew up invading organisms. Others, called lymphocytes (LIM-fuh-sytes), help the body remember the invaders and destroy them.

Detailed explanation-3: -Besides phagocytosis, macrophages play a central role in inflammation. They initiate the immune response against microorganisms, since macrophages are some of the first cells to come in contact with these invaders.

There is 1 question to complete.