The nurse is aware that histamine plays an important role in the immune response and the effects of histamine can manifest in assessment findings. Which response can occur as a result of histamine release?
A) Constriction of small venules
B) Contraction of bronchial smooth muscle
C) Dilation of large blood vessels
D) Decreased secretion of gastric and mucosal cells
Ans: B
Feedback: Histamine's effects during the immune response include contraction of bronchial smooth muscle, resulting in wheezing and bronchospasm; an increase in secretion of gastric and mucosal cells; dilation of small venules; and constriction of large blood vessels.
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