Final answer:
Nurses should provide basic care without judgment to medically homeless clients, respecting their dignity and combating societal stigma.
Step-by-step explanation:
When working with a medically homeless client, the correct action nurses should implement is to provide basic care without judgment. This approach aligns with the ethical principles of nursing and public health advocacy, emphasizing the importance of treating all individuals with dignity and respect, regardless of their housing status. The studies referenced highlight the significant stigma and challenges faced by the homeless population, emphasizing the need for nonjudgmental and empathetic care to combat prior negative experiences and societal attitudes.