Pathology All of the following are true regarding vasodilation in acute inflammation, except: A Caused by release of histamine B First affects capillaries and followed by opening of aerioles C Vasodilation leads to extravasation of fluid from microvasculature, leading to edema D Vasodilation occurs notably due to the action of histamine on vascular smooth muscle π‘ Explanation All of the following are true regarding vasodilation in acute inflammation, except: β Correct Answer: B. First affects capillaries and followed by opening of aerioles