Which statement about natural killer (NK) cells is the best explanation of their function when reviewing laboratory work for a 10-year-old child?

The primary job of natural killer (NK) cells is to hunt down and destroy foreign cells in the body

Explanation:

Natural killer cells also called NK cells are a form of white blood cell that is part of a person's innate immune system.

NK cells are important in providing immunity against virally infected cells.

It induces apoptosis in the target cell. This is when there is destruction of the virus inside a cell.

There is formation of perforin on the pores of the target cells, which allows granzymes enter the cell to cause apoptosis.

Also NK cells play a role in rejection of tumours.

So the main consideration when reviewing laboratory work for a 10-year-old child is that job of natural killer (NK) cells is to hunt down and destroy foreign cells in the body.

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