Multiple choice Which of the following events is not involved in asthma? Blocking activation of mast cells with a monoclonal antibody to IgE can give clinical benefit. Adrenaline is always used to reverse bronchoconstriction in mild asthmatics. Upregulation of VCAM-1 results in infiltration of eosinophils. Epithelial cell activation occurs. Activation of Th1cells occurs. Reveal answer Fill a bubble to check yourself B Correct answer Explanation Adrenaline is only used in status asthmaticus and never in mild asthma.