Ethics & Law · single question

A parent fears that whitening 'causes cancer,' but the patient wants whitening. In a PICO question, whitening represents which element?

  1. Population
  2. Intervention
  3. Comparison
  4. Outcome
Show answer and explanation

Correct answer: B. Intervention

  • A. The Population is the patient/group being studied.
  • B. Correct. Whitening (the treatment being considered) is the Intervention.
  • C. The Comparison would be the alternative (e.g., no whitening or another product).
  • D. The Outcome is the result measured (e.g., cancer risk).

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