AFF Immune system

The cells of the innate/passive immune system is collectively called

Leukocytes

The cells of the acquired/active immune system is collectively called

Lymphocytes

Which cells and which signaling molecules are responsible for initiating an inflammatory response?

mast cells: histamine

What are antigens?

foreign materials that trigger an immune response

What are B-receptors?

proteins embedded in B cell membranes

Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of
the signs of inflammation are therefore associated with histamine release?

Redness, heat, and swelling

All of the following are leukocytes except

Helper T cells

All of the following are lymphocytes except

monocytes