The nurse is reading this intradermal positive protein derivative (PPD) skin test 72 hours after it was administered. What should the nurse document based on this result? 1. Significant but not at...

The nurse is reading this intradermal positive protein derivative (PPD) skin test 72 hours after it was administered.

What should the nurse document based on this result?

1. Significant but not at risk.

2. Not significant.

3. Undetermined reaction.

4. Significant and at risk.