The nurse recognizes that the local reaction typical of a positive tuberculosis test, including a wheal and flare reaction, is observed in which type of hypersensitivity reaction?

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The local reaction typical of a positive tuberculosis test, including a wheal and flare reaction, is observed in a Type IV hypersensitivity reaction. This type of reaction is also known as a delayed-type hypersensitivity reaction, where the immune response is primarily mediated by T cells rather than antibodies, and the reaction typically occurs 48-72 hours after exposure to the antigen.

The Nurse Recognizes That the Local Reaction Typical of a Positive