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CHAPTER 27 THE URINARY SYSTEM 93 3. Which hormones are produced by the kidneys? a. Aldosteron (b. Erythropoietin c. Atrial natriuretic peptide d. Antidiuretic hormone 4. Which statement describes the function of the hormone erythropoietin? a. Aids in the maintenance of blood pressure. b Promotes formation of red blood cells. c. Fosters water retention. d. Promotes formation of white blood cells. 5. Which substance, when present in the urine, would indicate a disease or malfunction of the urinary system? a. Urea b. Pigments c. Protein d. Sodium 6. A laboratory analysis of a client's urine sample shows a pH of 3. Which food in the client's diet should the nurse consider to be a possible cause of this abnormal PH? a. Dairy products b. Meat c. Citrus fruits d. Legumes 7. The functions of the ureters and the urethra are different. Which statement describes a function of the urethra? a. Extracts wastes from the blood, balances body fluids, and forms urine. Conducts urine from the bladder to the outside of the body for elimination. c. Serves as a reservoir for urine. d. Conducts urine from the kidneys to the urinary bladder