5 Questions
Which histamine receptor is important in producing smooth muscle contraction?
H1 receptor
What effect does histamine have on small blood vessels?
Vasodilation
Which receptor mediates many pathological processes including allergic rhinitis and asthma?
H1 receptor
What does histamine cause the vascular endothelium to release, leading to vasodilation?
Nitric oxide
Which receptor is targeted by clinically useful drugs?
H1 and H2 receptors
Test your knowledge of histamine receptors and their pharmacologic effects in this quiz. Explore the roles of H1 and H2 receptors, and learn about the clinical implications of histamine binding.
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