ACAAI Review Chapter 8 Exam with Questions and Answers

ACAAI Review Chapter 8 Exam with Questions and Answers Where are the highest concentrations of IgE-producing plasma cells? ANSWER Tonsils and adenoids Which part of the back (upper or lower) has greater skin reactivity for skin testing? ANSWER Upper back What conditions can cause a false positive AHR? ANSWER Allergic rhinitis, COPD, congestive heart failure, cystic fibrosis, siblings of asthmaticus, upper respiratory infection, and smoking What is the name given to multiple clumps of sloughed surface epithelial cells that may be seen in asthmatics? ANSWER Creola bodies In which condition is there is a lack of dynein arms and loss of ciliary spokes? ANSWER Primary ciliary dysknesia How long does omalizumab-related suppression to skin prick testing last? ANSWER Four weeks to as long as 6 months In allergy skin testing, what causes wheal and flare? ANSWER Wheal: Histamine - smooth muscle contraction -increased vascular permeability. Flare: Inflammatory mediators - vasodilation. What is "angry back" or excited skin syndrome? ANSWER In patch testing, a few strong positive reactions cause a chain of multiple reactions to other patch tests that would otherwise be negative.