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FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

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“I am Commander I. M. Unity; you can call me sir. I coordinate millions of soldiers in the war against infection, inflammation, and allergies. My massive army defends your world from scoundrels like bacteria, viruses, parasites, just to name a few. Currently, an annoyingallergenis invading the eye region. I have dispatched a small team of fighters, from the granulocyte division in response. Alright recruit, what’s the official name of this team?”
  1. Eosinophils.
  2. Basophils.
  3. Monocytes.
  4. Neutrophils.
Explanation
Answer: B - Basophils, a type of white blood cell, are responsible for the allergic reaction when an allergen invades the body. Basophils secrete histamine and serotonin in response to an allergen. Basophils make up the smallest percentage (0.5 - 1.0%) of the total white blood cell count.
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