Textbook Question
Which of the following would you not expect to see in the first stage of inflammation?
a. Histamine
b. Kinins
c. Macrophages
d. Increased blood vessel permeability
e. Eicosanoids
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19. Innate Immunity
Steps of the Inflammatory Response
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Which immune cells are responsible for removing dead or damaged host material at an injury site?
A
Macrophages.
B
Mast cells.
C
Neutrophils.
D
Platelets.
Verified step by step guidance1
Understand the role of each immune cell type listed in the options: Macrophages, Mast cells, Neutrophils, and Platelets.
Macrophages are a type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens. They are crucial in cleaning up dead or damaged cells at injury sites.
Mast cells are involved in allergic reactions and release histamine, but they are not primarily responsible for removing dead cells.
Neutrophils are the first responders to infection and are involved in the initial stages of inflammation, but their main role is to attack pathogens rather than clean up dead cells.
Platelets are involved in blood clotting and wound repair, but they do not remove dead or damaged cells. Based on these roles, identify which cell type is responsible for cleaning up dead or damaged host material.
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