Question:

Which one of the following leukocytes is often increased in numbers in the presence of either local inflammatory reactions of allergic origin or certain types of parasitisms?

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Eosinophils: allergies and parasites.
Neutrophils: bacterial infections.
Lymphocytes: viral infections.
  • Neutrophils
  • Eosinophils
  • Monocytes
  • Lymphocytes
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept:
Different leukocytes respond to different conditions.
Eosinophilia is associated with specific conditions.

Step 2: Key Formula or Approach:

No specific formula.
Need to know leukocyte functions.

Step 3: Detailed Explanation:

Eosinophils are increased in allergic reactions and parasitic infections.
Neutrophils increase in bacterial infections.
Monocytes increase in chronic infections.
Lymphocytes increase in viral infections.
Thus, eosinophils are increased in allergies and parasitisms.

Step 4: Final Answer:

Eosinophils are increased in allergic reactions and parasitisms.
Hence, the correct option is (B).
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