Asked by jay
How does inflammation help the body fight off further infection?
Inflammation keeps harmful substances away from healthy cells.
Inflammation triggers the production of white blood cells.
Inflammation drops the pH of blood.
Inflammation raises the pH of blood.
All Answers 1
Answered by
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Correct:
- Inflammation keeps harmful substances away from healthy cells.
- Inflammation triggers the production and recruitment of white blood cells.
Why: inflammation produces swelling, clotting and cellular barriers that contain and isolate pathogens, and releases cytokines (e.g., IL‑1, TNF, G‑CSF) that stimulate bone marrow and attract leukocytes to the site. The pH choices are incorrect: inflammation does not systematically raise blood pH (and while local tissues can become more acidic during inflammation, blood pH is normally kept near neutral).
- Inflammation keeps harmful substances away from healthy cells.
- Inflammation triggers the production and recruitment of white blood cells.
Why: inflammation produces swelling, clotting and cellular barriers that contain and isolate pathogens, and releases cytokines (e.g., IL‑1, TNF, G‑CSF) that stimulate bone marrow and attract leukocytes to the site. The pH choices are incorrect: inflammation does not systematically raise blood pH (and while local tissues can become more acidic during inflammation, blood pH is normally kept near neutral).
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