A pregnant client is screened for tuberculosis during her first prenatal visit. An intradermal injection of purified protein derivative (PPD) of the tuberculin bacilli is given. Which sign would indicate a positive test result?

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14-02-2020
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A pregnant client is screened for tuberculosis during her first prenatal visit. An intradermal injection of purified protein derivative (PPD) of the tuberculin bacilli is given. Which sign would indicate a positive test result?

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osondumartins osondumartins · Answer 1 · 2020-02-14T06:54:40+01:00

Answer:An indurated wheal over 10 mm in diameter appears in 48 to 72 hours.

Explanation:Tobacullosis is a very deadly Microbiological infection specifically caused by Mycobacterium tuberculosis,it is very contagious and can easily spread from one patient to another uninfected person.

PPD(purified protein derivative) is a test procedure which involves the use of the skin to test for the presence of Mycobacterium tuberculosis which is the cause of Tuberculosis.

If an indurated wheal over 10 mm in diameter appears in 48 to 72 hours occurs it means a positive test result.