Certified Post Anesthesia Nurse (CPAN) Practice Exam

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Which type of reaction is most commonly associated with latex-containing products?

Desensitizing allergic reaction
Type IV reaction
Type I reaction
Irritating nonallergic reaction

The correct answer is: Irritating nonallergic reaction

The correct type of reaction associated with latex-containing products is Type I reaction. This type of reaction, also known as an immediate hypersensitivity reaction, is mediated by immunoglobulin E (IgE) antibodies. In individuals sensitized to latex, exposure can lead to rapid allergic responses, such as urticaria, anaphylaxis, and respiratory distress. Type I reactions occur quickly after exposure to the allergen, making them particularly significant in healthcare settings where latex is commonly used, such as in gloves and other medical products. The body responds to the allergen by releasing histamines and other inflammatory mediators, leading to the symptoms associated with this type of hypersensitivity. Regarding the other options, desensitizing allergic reactions and irritating nonallergic reactions do not specifically describe the acute and systemic nature of the IgE-mediated response related to latex. Type IV reactions are delayed-type hypersensitivity reactions mediated by T-cell responses and are more commonly associated with other allergens, rather than those found in latex products.