Which of the following components of an injected amide local anesthetic agent may produce a hypersensitivity reaction that exhibits itself as an acute asthmatic attack?

Question

Quizplus · Accepted Answer

Amide local anesthetics with vasoconstrictors also contain a sulfite that serves as an antioxidant preservative.In sulfite-sensitive patients,the sulfites may produce a hypersensitivity reaction that exhibits itself as an acute asthmatic attack.This reaction is the same as the "salad bar" syndrome,a hypersensitivity reaction to sulfites.The remaining choices are not the components of an amide local anesthetic cartridge that are associated with triggering an allergic reaction.

Which of the Following Components of an Injected Amide Local