Questions and Answers
Which cells are among the richest sources of histamine?
Mast cells
What triggers the release of histamine from mast cells?
Binding of antibodies to mast cells
What is the effect of histamine on arterioles and venules?
Causes dilation of arterioles and increases the permeability of venules
Which receptors does histamine bind to on microvascular endothelial cells?
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What type of drugs are H1 receptor antagonists?
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Which of the following triggers the release of histamine from mast cells?
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Which of the following is NOT a trigger for the release of histamine from mast cells?
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Which of the following is a function of histamine?
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What triggers the release of histamine from mast cells in immediate hypersensitivity (allergic) reactions?
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Which of the following is a source of histamine?
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