A nurse is performing an admission assessment on an older patient who presented with a high fever and cough, reduced oral intake for 3 days, and lower extremity weakness. The patient has sunken eyes, and the patient's skin turgor over the sternum is poor. The nurse suspects that the patient is dehydrated. Which signs are indicators of dehydration in this patient? (Select all that apply.)

A. Lower extremity weakness: Muscle weakness, especially in the lower limbs, is a common symptom of dehydration in older adults due to electrolyte imbalances and reduced perfusion. B. High fever: Fever increases insensible fluid loss and is both a cause and result of dehydration. C. Poor skin turgor over the sternum: This is a classic sign of dehydration in older adults, as skin over the sternum or forehead is less affected by age-related changes compared to hand/arm skin. D. Cough: A cough may be a symptom of a respiratory infection but is not a direct sign of dehydration. E. Sunken eyes: Sunken eyes are a physical sign of significant fluid loss and dehydration.