What effect is produced by H1 receptors? - ProProfs Discuss
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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
Asked by Perduekm, Last updated: Feb 10, 2020

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2 Answers

John Adney

John Adney

Answered 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 Nov 29, 2017

Smooth muscle contraction and increase in capillary permeability
 

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