Your patient with chronic renal failure reports pruritus. Which instruction should you include in this patient’s teaching plan?
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.
Rub the skin vigorously with a towel
Take frequent baths
Apply alcohol-based emollients to the skin
Keep fingernails short and clean