Tissue elevation of which of the following cause vasoconstriction :
Correct Answer: Ca2+
Description: Ans. D. Ca2+Vascular Control by lons and Other Chemical Factors Guyton 12th(SAE)/269An increase in calcium ion concentration causes vasoconstriction.An increase in potassium ion concentration,.within the physiological range, causes vasodilation.An increase in magnesium ion concentration causes powerful vasodilation.An increase in hydrogen ion concentration (decrease in pH) causes dilation of the aerioles.Anions that have significant effects on blood vessels are acetate and citrate.An Increase in carbon dioxide concentration causes moderate vasodilation in most tissues but marked vasodilation in the brain.
Category:
Physiology
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