<prompt> Your patient with chronic renal failure reports pruritus. Which instruction should you include in this patients teaching plan?Rub the skin vigorously with a towelTake frequent bathsApply alcohol-based emollients to the skinKeep fingernails short and clean  <response>: Calcium-phosphate deposits in the skin may cause pruritus. Scratching leads to excoriation and breaks in the skin that increase the patients risk of infection.Keeping fingernails short and clean helps reduce the risk of infection. 