21. The Immune System
Steps of the Inflammatory Response
Multiple Choice
Multiple ChoiceWhich of the following is needed for vasodilation and diapedesis to occur at an infection site?
A
Mast cells releasing histamines and cytokines to dilate the blood vessels & recruit immune cells.
B
Adhesion proteins on the endothelial cells of the blood vessels allowing the immune cells to leave the blood stream.
C
Exudate full of blood, plasma, proteins and immune cells exiting the blood stream to the infection site.
D
All are needed for vasodilation and diapedesis to occur at the site of an infection.
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