Health Care > EXAM > Chapter 16: Fluid, Electrolyte, and Acid-Base Imbalances Lewis: Medical-Surgical Nursing, 10th Editi (All)
A patient who has a small cell carcinoma of the lung develops syndrome of inappropriate antidiuretic hormone (SIADH). The nurse should notify the health care provider about which assessment finding? ... a. Serum hematocrit of 42% b. Serum sodium level of 120 mg/dL c. Reported weight gain of 2.2 lb (1 kg) d. Urinary output of 280 mL during past 8 hours - -ANS: B Hyponatremia is the most important finding to report. SIADH causes water retention and a decrease in serum sodium level. Hyponatremia can cause confusion and other central nervous system effects. A critically low value likely needs to be treated. At least 30 mL/hr of urine output indicates adequate kidney function. The hematocrit level is normal. Weight gain is expected with SIADH because of water retention. -A patient who is taking a potassium-wasting diuretic for treatment of hypertension complains of generalized weakness. Which action is appropriate for the nurse to take? a. Assess for facial muscle spasms. b. Ask the patient about loose stools. c. Recommend the patient avoid drinking orange juice with meals. d. Suggest that the health care provider order a basic metabolic panel. - -ANS: D Generalized weakness is a manifestation of hypokalemia. After the health care provider orders the metabolic panel, the nurse should check the potassium level. Facial muscle spasms might occur with hypocalcemia. Orange juice is high in potassium and would be advisable to drink if the patient is hypokalemic. Loose stools are associated with hyperkalemia. [Show More]
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