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Which type of white blood cells are concerned with the release of histamine and the natural anti-coagulant heparin?

1. Neutrophils
2. Basophils
3. Eosinophils
4. Monocytes

Correct answer: Basophils

Solution

Basophils are granulocytic white blood cells whose granules contain histamine and heparin. Histamine promotes inflammation, while heparin acts as a natural anticoagulant, making basophils the correct choice.

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