IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

IMMUNITY INNATE AND ADAPTIVE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A type of T cell that destroys infected cells is a:
A
cytotoxic (killer) T cell
B
helper T cell
C
memory T cell
D
suppressor T cell
Explanation: 

Detailed explanation-1: -Cytotoxic T-cells are a type of immune cell. They destroy cells infected with viruses. Another name for cytotoxic T-cells is killer T-cells. Cytotoxic T-cells are one of the three main types of cells developed in your thymus.

Detailed explanation-2: -Cytotoxic T-cells kill cells infected with viruses and bacteria, and they also destroy tumor cells. Helper T-cells: Helper T-cells are also called CD4+ cells because they have a CD4 receptor on their membranes. Unlike cytotoxic T-cells, helper T-cells don’t kill cells directly.

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