Which one of the following should not be used for medical translation?

The choice of not using a member of the patient's family for medical translation is based on several important factors. Family members may lack the necessary training and expertise to accurately convey complex medical terminology and concepts. Furthermore, utilizing a family member can lead to potential conflicts of interest, as they may be emotionally involved and biased regarding the patient's condition or care. This could compromise the accuracy of the translation and ultimately affect the quality of care provided to the patient.

Additionally, relying on a family member may not ensure confidentiality and may unintentionally expose sensitive information to those who aren't directly involved in the patient's healthcare. Professional medical interpreters are specifically trained to handle healthcare conversations, understand the nuances of medical language, and maintain impartiality, thus ensuring clear and effective communication between healthcare providers and patients.

In contrast, options such as a contract service, bilingual staff member, or a professional translator are designed to facilitate accurate and unbiased communication, making them more suitable choices for medical translation. These professionals have the necessary skills and experience to navigate the complexities of medical dialogue while adhering to ethical standards.