An Occupational Health Nurse is teaching staff nurses of a medical unit how to identify a positive Mantoux test result. Which of the statements below is correct?
A) An area of redness around the injection site larger than 10mm indicates a positive test.
B) An area of redness around the injection site larger than 15mm indicates a positive test.
C) 10mm or more of in duration around the injection site indicates a positive test.
D) 15mm or more of in duration around the injection site indicates a positive test.
Correct Answer:
Verified
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