system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Your patient with chronic renal failure reports pruritus. Which instruction should you include in this patient’s teaching plan?
assistant
The correct answer is  Calcium-phosphate deposits in the skin may cause pruritus. 
Scratching leads to excoriation and breaks in the skin that increase the patient’s risk of infection.
Keeping fingernails short and clean helps reduce the risk of infection.