ATI RN
Fluid and Electrolytes ATI
1. The healthcare professional working in the PACU is aware that which of the following procedures may contribute to extracellular losses?
- A. Removal of an ingrown toenail
- B. Tooth extraction
- C. Abdominal surgery
- D. Cataract surgery
Correct answer: C
Rationale: Fluid loss from the extracellular compartment can be caused by abdominal surgery as it involves opening the abdominal cavity, potentially leading to significant fluid losses. Choices A, B, and D do not typically result in substantial extracellular losses compared to abdominal surgery.
2. A nurse evaluates the following arterial blood gas values in a client: pH 7.48, PaO2 98 mm Hg, PaCO2 28 mm Hg, and HCO3 22 mEq/L. Which client condition should the nurse correlate with these results?
- A. Diarrhea and vomiting for 36 hours
- B. . Anxiety-induced hyperventilation
- C. Chronic obstructive pulmonary disease (COPD)
- D. Diabetic ketoacidosis and emphysema
Correct answer: B
Rationale:
3. A nurse is caring for a client who has the following laboratory results: potassium 3.4 mEq/L, magnesium 1.8 mEq/L, calcium 8.5 mEq/L, sodium 144 mEq/L. Which assessment should the nurse complete first?
- A. Assess the client's dietary intake of foods high in potassium.
- B. Assess the client's neuromuscular status.
- C. Assess the client's fluid intake and output.
- D. Read food labels to determine sodium content.
Correct answer: D
Rationale: The correct answer is to read food labels to determine sodium content. The client's sodium level is crucial to monitor as it is on the higher side (144 mEq/L), which can indicate hypernatremia. Excessive sodium intake can lead to fluid retention and other complications. Assessing dietary sodium intake can help the nurse and client make necessary adjustments to prevent further sodium imbalances. Choices A, B, and C are not the priority in this situation as the client's sodium level needs immediate attention to prevent potential complications.
4. . A nurse is planning care for a nephrology patient with a new nursing graduate. The nurse states, A patient in renal failure partially loses the ability to regulate changes in pH. What is the cause of this partial inability?
- A. The kidneys regulate and reabsorb carbonic acid to change and maintain pH.
- B. The kidneys buffer acids through electrolyte changes
- C. The kidneys regenerate and reabsorb bicarbonate to maintain a stable pH.
- D. The kidneys combine carbonic acid and bicarbonate to maintain a stable pH.
Correct answer: C
Rationale:
5. .A nurse assesses a clients peripheral IV site, and notices edema and tenderness above the site. Which action should the nurse take next?
- A. Apply cold compresses to the IV site.
- B. Elevate the extremity on a pillow.
- C. Flush the catheter with normal saline.
- D. . Stop the infusion of intravenous fluids.
Correct answer: D
Rationale:
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