ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. You are performing an admission assessment on an older adult patient newly admitted for end-stage liver disease. What principle should guide your assessment of the patients skin turgor?
- A. Overhydration is common among healthy older adults.
- B. Dehydration causes the skin to appear spongy
- C. Inelastic skin turgor is a normal part of aging
- D. Skin turgor cannot be assessed in patients over 70.
Correct answer: C
Rationale:
2. You are the surgical nurse caring for a 65-year-old female patient who is postoperative day 1 following a thyroidectomy. During your shift assessment, the patient complains of tingling in her lips and fingers. She tells you that she has an intermittent spasm in her wrist and hand and she exhibits increased muscle tone. What electrolyte imbalance should you first suspect?
- A. Hypophosphatemia
- B. Hypocalcemia
- C. Hypermagnesemia
- D. Hyperkalemia
Correct answer: B
Rationale:
3. . A 73-year-old man comes into the emergency department (ED) by ambulance after slipping on a small carpet in his home. The patient fell on his hip with a resultant fracture. He is alert and oriented; his pupils are equal and reactive to light and accommodation. His heart rate is elevated, he is anxious and thirsty, a Foley catheter is placed, and 40 mL of urine is present. What is the nurses most likely explanation for the low urine output?
- A. The man urinated prior to his arrival to the ED and will probably not need to have the Foley catheter kept in place.
- B. The man likely has a traumatic brain injury, lacks antidiuretic hormone (ADH), and needs vasopressin.
- C. The man is experiencing symptoms of heart failure and is releasing atrial natriuretic peptide that results in decreased urine output.
- D. The man is having a sympathetic reaction, which has stimulated the reninangiotensinaldosterone system that results in diminished urine output.
Correct answer: D
Rationale:
4. A client at risk for developing hyperkalemia states, 'I love fruit and usually eat it every day, but now I can't because of my high potassium level.' How should the nurse respond?
- A. Potatoes and avocados can be substituted for fruit.
- B. If you cook the fruit, the amount of potassium will be lower.
- C. Berries, cherries, apples, and peaches are low in potassium.
- D. You are correct. Fruit is very high in potassium.
Correct answer: C
Rationale: The correct answer is C. Berries, cherries, apples, and peaches are indeed low in potassium, making them suitable choices for someone at risk for hyperkalemia. Choice A is incorrect because potatoes and avocados are high in potassium and should be avoided in this situation. Choice B is incorrect because cooking fruit does not significantly lower its potassium content. Choice D is incorrect as it provides incorrect information, as not all fruits are very high in potassium.
5. The nurse is caring for a postthyroidectomy patient at risk for hypocalcemia. What action should the nurse take when assessing for hypocalcemia?
- A. Monitor laboratory values daily for an elevated thyroid-stimulating hormone.
- B. Observe for swelling of the neck, tracheal deviation, and severe pain.
- C. Evaluate the quality of the patient's voice postoperatively, noting any drastic changes.
- D. Observe for muscle twitching and numbness or tingling of the lips, fingers, and toes.
Correct answer: D
Rationale: Muscle twitching and numbness or tingling of the lips, fingers, and toes are signs of hyperirritability of the nervous system due to hypocalcemia. The other options describe complications the nurse should also be observing for; however, tetany and neurologic alterations are primary indications of hypocalcemia. Monitoring for an elevated thyroid-stimulating hormone (choice A) is not relevant in assessing for hypocalcemia. Observing for swelling of the neck, tracheal deviation, and severe pain (choice B) are more related to airway compromise. Evaluating the quality of the patient's voice postoperatively (choice C) is important but not a primary sign of hypocalcemia.
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