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Unformatted text preview: ook at your arm, which appears swollen in an area about the size of a quarter around the
skin test. It is red and tender to the touch. You’re alarmed; could you have TB?
a. Why does the reaction take 36‐48 hours to show up? b. If you have a TB infection, why doesn’t the whole body, or a least the respiratory tract,
react when the antigen is injected during this diagnostic test? c. You are referred for a chest X‐ray, but the results are inconclusive. The clinic doctor
prescribes a six‐month course of isoniazid. You take the medicine according to the
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This note was uploaded on 01/30/2014 for the course BIOLOGY 1101 taught by Professor Buck during the Fall '13 term at UNC Charlotte.
- Fall '13