Which of the Following Statement Regarding the Mantoux Test Used

Multiple Choice

Which of the following statement regarding the Mantoux Test used to detect patient exposure to Mycobacterium tuberculosis is false?

A) The test utilizes a small amount of protein derived from the pathogen that is subcutaneously injected in the forearm.
B) Patients with prior M. tuberculosis exposure experience an instantaneous reaction at the injection site
C) The delayed formation of an induration 5 mm in diameter or greater is interpreted as a positive response
D) A positive reaction represents the patient's memory T_H cells launching a strong attack against the M. tuberculosis epitopes.