EXAM 2 ACUTE RENAL FAILURE questions and answers wit solutions 2025

The nurse is admitting a client diagnosed with acute renal failure (ARF). Which question is most important for the nurse to ask during the admission interview? 1. "Have you recently traveled outside the United States?" 2. "Did you recently begin a vigorous exercise program?" 3. "Is there a chance you have been exposed to a virus?" 4. "What over-the-counter medications do you take regularly?" - ANSWER 1. Usually there are no diseases or conditions warranting this question when discussing ARF. 2. Vigorous exercise will not impede blood flow to the kidneys, leading to ARF. 3. Usually viruses do not cause ARF. *4. Medications such as NSAIDs and some herbal remedies are nephrotoxic; therefore, asking about medications is appropriate.* The nurse is caring for a client diagnosed with ARF. Which laboratory values are most significant for diagnosing ARF? 1. BUN and creatinine 2. WBC and hemoglobin 3. Potassium and sodium 4. Bilirubin and ammonia level - ANSWER *1. Blood urea nitrogen (BUN) levels reflect the balance between the production and excretion of urea from the kidneys. Creatinine is a by-product of the metabolism of the muscles and is excreted by the kidneys. Creatinine is the ideal substance for determining renal clearance because it is relatively constant in the body and is the laboratory value most significant in diagnosing renal failure.*