Which of the following may indicate the ability to refuse medical care?

Demonstrating an understanding of consequences is a key indicator that a person has the mental capacity to refuse medical care. In emergency medical situations, healthcare providers must assess whether a patient is capable of making informed decisions about their own health. If an individual can articulate their understanding of the potential risks and outcomes of refusing treatment, it shows they are aware of their situation and the implications of their choices. This understanding is crucial for establishing autonomy in medical decision-making.

In contrast, being non-responsive typically suggests that an individual is unable to make informed choices. When someone is under the influence of drugs, their judgment may be impaired, making it challenging for them to comprehend the risks associated with refusing care. Finally, not having insurance, while potentially relevant in discussions about care access, does not inherently speak to a person's ability to make informed medical decisions. Thus, only the ability to demonstrate understanding of consequences reflects a capacity to refuse medical care responsibly.