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Who can be considered a Legally Authorized Representative (LAR)?

  1. Any adult family member

  2. An individual or body authorized to consent on behalf of a subject

  3. Only a government official

  4. Only a medical practitioner

The correct answer is: An individual or body authorized to consent on behalf of a subject

A legally authorized representative (LAR) is a designated individual or entity who is authorized to make decisions and give consent on behalf of an individual, known as the subject. Option A, any adult family member, is not necessarily correct because not all family members have the legal authority to give consent. Option C, only a government official, is incorrect as government officials do not always have legal authority to make decisions on behalf of others. Option D, only a medical practitioner, is incorrect because although they may be authorized to make medical decisions, they may not have the legal authority to make other types of decisions. Therefore, the most accurate option is B, an individual or body authorized to consent on behalf of a subject. This can include legal guardians, power of attorney holders, or designated individuals designated by the subject.