Which of the following constitutes impersonating another practitioner?

Impersonating another practitioner involves any act that misrepresents one's identity or qualifications in a professional context. Each option presented exemplifies ways in which such impersonation can occur, illustrating the various methods through which an individual could falsely represent themselves as another professional.

Using someone else's certification directly implies taking credentials that belong to another individual, which is a clear act of dishonesty and misrepresentation. This not only undermines the integrity of the profession but also can lead to serious legal ramifications.

Claiming to be someone with more qualifications involves asserting that one has credentials, experience, or expertise greater than what one actually possesses. This can mislead clients or employers, potentially putting public safety at risk and violating ethical standards expected of practitioners.

Presenting forged documents takes deception a step further, as it involves creating or altering official materials to give the impression of legitimacy. This could include fake certifications, licenses, or other documentation that falsely conveys a person’s professional capability.

By recognizing that each of these actions represents a form of impersonation or misrepresentation in a professional setting, it becomes clear that the correct answer encompasses all these practices, thereby validating the choice of selecting that all the given options together constitute impersonating another practitioner.