Which leukocyte increases in number during parasitic infections?

• A. Neutrophils
• B. Eosinophils
• C. Basophils
• D. Lymphocytes

Answer: (B)

Verified step by step guidance

1. Understand the role of leukocytes: Leukocytes, or white blood cells, are part of the immune system and help the body fight infections and other diseases.
2. Identify the types of leukocytes: The main types of leukocytes include neutrophils, eosinophils, basophils, lymphocytes, and monocytes, each with specific functions.
3. Focus on eosinophils: Eosinophils are a type of leukocyte that play a crucial role in combating parasitic infections and are also involved in allergic reactions.
4. Recognize the response to parasitic infections: During parasitic infections, the body increases the production of eosinophils to help fight off the parasites.
5. Conclude the identification: Based on their function, eosinophils are the leukocytes that increase in number during parasitic infections, distinguishing them from other types like neutrophils, basophils, and lymphocytes.