Sally donovan, 92 years old, is in the gerontology clinic today. she currently lives with her 65-year-old son. you notice that she has lost 30 pounds since her last visit 2 months ago. her demeanor is submissive and she looks to her son to answer any direct questions from the medical assistant and the provider. at checkout, her son opens her checkbook and writes the check for her co-payment, including signing her name on the signature line. what are the alarm signs for potential elder abuse with ms. donovan