Difficulty: Medium
Average Score: 80%
Full-length
A 3-year-old child had a PPD skin test 2 days ago. When the mother brings the child back to the clinic to have the nurse check the results, the nurse notes a 10 mm area of induration. This is considered
Correct answer
B
Rationale
A 10 mm induration 48-72 hours post-PPD is positive in children, indicating TB exposure, especially in high-risk groups.