The mu (u) opoid receptor is responsible for the following effects all except:
Correct Answer: bronchodialation
Description: Ans. is 'd' i.e., bronchodilation It is easy to pick the correct answer even if one knows nothing about opioid receptors, as morphine causes contraction of smooth muscle of bronchi.Action of morphine on the respiratory systemit depresses respiratory center by acting on m receptorsit causes bronchoconstriction by causing histamine release (not bronchodilation)Other actions of morphine mediated through m receptor -AnalgesiaRespiratory depression Mnemonic - Prime Minister CAREGIT(Constipation)Euphoria -MiosisPhysical dependenceNote: morphine causes decrease in heart rate by its depressive action on vasomotor centre through m receptors
Category:
Pharmacology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now