ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation Questions
Question 1 of 5
. One day after a patient is admitted to the medical unit, you note that the patient is oliguric. You notify the acutecare nurse practitioner who orders a fluid challenge of 200 mL of normal saline solution over 15 minutes. This intervention will achieve which of the following?
Correct Answer: C
Rationale: The correct answer is C: Help distinguish reduced renal blood flow from decreased renal function. Rationale: 1. Oliguria is a decrease in urine output. 2. Fluid challenge with normal saline can help determine the cause of oliguria by assessing the response of the kidneys. 3. If the oliguria improves after the fluid challenge, it suggests reduced renal blood flow as the cause. 4. If oliguria persists, it indicates decreased renal function. Summary: A. Fluid challenge does not directly help in distinguishing between hyponatremia and hypernatremia. B. Evaluating pituitary gland function requires specific tests, not just a fluid challenge. D. Treating hypertension-induced oliguria may involve different interventions, not just a fluid challenge.
Question 2 of 5
A nurse teaches a client who is being discharged home with a peripherally inserted central catheter (PICC). Which statement should the nurse include in this clients teaching?
Correct Answer: A
Rationale: The correct answer is A: "Avoid carrying your grandchild with the arm that has the central catheter." This is important because carrying a child can put strain on the arm where the catheter is inserted, increasing the risk of dislodging or damaging the catheter. It is crucial to protect the integrity of the catheter site to prevent complications such as infection or bleeding. Choice B is incorrect because placing the arm with the central catheter in a sling during the day is unnecessary and could restrict the client's mobility and lead to discomfort. Choice C is incorrect because flushing the PICC line with normal saline should be done by a healthcare professional and not the client themselves. Choice D is incorrect because using the arm with the central catheter for most activities of daily living can increase the risk of accidental dislodgment or damage to the catheter. It is important to be cautious and limit certain activities to protect the catheter and maintain its function.
Question 3 of 5
A nurse develops a plan of care for a client who has a history of hypocalcemia. What interventions should the nurse include in this clients care plan? (Select all that apply.)
Correct Answer: B
Rationale: The correct answer is B. Straining all urine output and assessing for urinary stones is important for a client with hypocalcemia as they are at risk for developing kidney stones due to increased calcium excretion. By straining urine, the nurse can monitor for the presence of stones. A, using a draw sheet to reposition the client, is not directly related to hypocalcemia. C, providing nonslip footwear, is important for fall prevention but not specific to hypocalcemia. D, since it is not provided, cannot be evaluated.
Question 4 of 5
You are making initial shift assessments on your patients. While assessing one patients peripheral IV site, you note edema around the insertion site. How should you document this complication related to IV therapy?
Correct Answer: C
Rationale: Correct Answer: C - Infiltration Rationale: 1. Infiltration occurs when IV fluid leaks into surrounding tissues, causing edema. 2. Documenting infiltration is important for appropriate management. 3. Air emboli, phlebitis, and fluid overload are unrelated to edema around IV site. Summary of Incorrect Choices: A. Air emboli: This is a serious condition caused by air entering the bloodstream, not related to edema. B. Phlebitis: Inflammation of the vein, usually presenting with redness and pain, not edema. D. Fluid overload: Excess fluid volume in the body, leading to symptoms like shortness of breath, not edema.
Question 5 of 5
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?
Correct Answer: B
Rationale: The correct answer is B: Anxiety-induced hyperventilation. The arterial blood gas values show a pH of 7.48 (alkalosis) with low PaCO2 (respiratory alkalosis), which is consistent with hyperventilation due to anxiety. HCO3 is within normal range, ruling out metabolic causes. A: Diarrhea and vomiting would lead to metabolic acidosis with low pH and decreased HCO3. C: COPD would typically present with respiratory acidosis (high PaCO2) and normal to high HCO3. D: Diabetic ketoacidosis and emphysema would show metabolic acidosis with low pH and low HCO3.
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