To win his action in negligence against a professional person, the plaintiff must prove, among other things, that the defendant's conduct was below an acceptable standard of care. Which of the following is the legal standard of care demanded of a professional person? That she act to the very best of her ability That she act sincerely and with goodwill That she act as may reasonably be expected of the normally skilled professional of that type That she act sincerely and truthfully That she act morally and as a person of faith