What effect is produced by H1 receptors? - ProProfs
     

What effect is produced by H1 receptors?



A. Smooth muscle relaxation and increase in capillary permeability
B. Smooth muscle contraction and increase in capillary permeability

This question is part of Pharmacology Exam 4 Antihistamines

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2 Answers

John Adney

John Adney

Answered on Dec 02, 2017

H1 receptors prodcue vacular smooth muscle dilation at the postcapillary venules and terminal arterioles; and also produce bronchiolar smooth muscle contraction.

perduekm

Perduekm

Answered on Nov 29, 2017

Smooth muscle contraction and increase in capillary permeability

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