Pathophysiology Exam 3 Practice Questions(100%correct)

The nurse working in an outpatient nephrology clinic knows that which of the following are primary functions of the kidneys? (Select all that apply.) A. Production of clotting factors B. Homeostasis C. Excretion of metabolic wastes D. Regulation of acid-base balance E. Metabolism of fats correct answers B, C, D The kidneys do not metabolize fats. Production of clotting factors is a primary function of the liver. The kidneys maintain blood pressure using the RAAS and also produce erythropoietin to stimulate RBC production. In caring for a patient diagnosed with acute kidney injury, the nephrology nurse knows that which of the following tests are specific for renal function? (Select all that apply.) A. Aspartate aminotransferase (AST) B. Blood urea nitrogen C. Creatinine D. Glomerular filtration rate E. White blood cell count correct answers B, C, D AST related to LIVER function In caring for a patient with acute kidney injury the nurse knows that the patient's renal function has returned to normal range when the patient's GFR measures: A. 30-40 mL/min B. 40-50 mL/min C. 70-90 mL/min D. 90-120 mL/min correct answers D Normal GFR is 90-120 mL/min Normal Creatinine 0.6-1.1 for females and 0.6-1.2 for males Normal BUN is 10-20 mg/dL *Be sure to know these normal values, you will use them daily as a nurse The nursing working in a geriatric living facility understands that as patients age, which change in glomerular filtration rate is expected? A. Increased GFR B. Decreased GFR C. Same GFR D. No GFR correct answers B Aging and renal function: Decrease in renal blood flow and GFR → altered sodium and water balance