What is the purpose of a Candida skin test when testing for tuberculosis (TB)?
a. To determine if the patient has a Candida albicans infection
b. To provide a control test
c. To potentiate the purified protein derivative (PPD) test
d. To test for skin superinfection
ANS: B
Candida is used to test a patient for anergy, or the inability of the immune system to react to an antigen. If the Candida or mumps test produce positive results, the TB results are considered to be reliable. It is not done to identify Candida infection or superinfection, as most patients are positive. It does not affect the PPD test.
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A) True B) False
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