Final answer:
A well-written prehospital care report must be accurate, legible, without alterations, and professional, therefore the correct answer is C. All of the above.
Step-by-step explanation:
A well-written prehospital care report is fundamental in continuing patient care and documenting the services provided. Such a report should indeed be accurate, as it is a factual representation of the care given and the patient's condition. It also needs to be legible, to ensure that medical personnel who later attend the patient can understand the interventions that have already been undertaken. Additionally, the report should be without alterations to maintain the integrity of the medical record, and it must also be professional in tone and appearance, which means it should be free of grammatical errors and uphold a high standard of writing quality. Therefore, the correct answer to the question of which qualities comprise a well-written prehospital care report is C. All of the above.