ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation Questions
Question 1 of 5
After providing discharge teaching, a nurse assesses the clients understanding regarding increased risk for metabolic alkalosis. Which statement indicates the client needs additional teaching?
Correct Answer: C
Rationale: The correct answer is C because taking sodium bicarbonate after every meal can actually increase the risk of metabolic alkalosis due to its alkaline nature. Sodium bicarbonate can lead to an excessive build-up of bicarbonate in the bloodstream, causing alkalosis. Choice A is not directly related to metabolic alkalosis. Choice B, taking digoxin, is unrelated to metabolic alkalosis as well. Choice D, drinking six glasses of water due to sweating, does not contribute to metabolic alkalosis as it helps maintain hydration and electrolyte balance.
Question 2 of 5
. You are caring for a patient who has a diagnosis of syndrome of inappropriate antidiuretic hormone secretion (SIADH). Your patients plan of care includes assessment of specific gravity every 4 hours. The results of this test will allow the nurse to as
Correct Answer: D
Rationale: The correct answer is D: Fluid volume status. Assessment of specific gravity helps to determine the concentration of solutes in the urine, indicating the degree of hydration or dehydration. In SIADH, there is water retention leading to diluted urine, resulting in low specific gravity. Monitoring specific gravity every 4 hours is crucial in assessing the patient's fluid volume status and response to treatment. A: Nutritional status is not directly assessed by specific gravity. B: Potassium balance is not directly assessed by specific gravity. C: Calcium balance is not directly assessed by specific gravity.
Question 3 of 5
. 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?
Correct Answer: C
Rationale: Rationale: C is correct because in renal failure, the kidneys lose the ability to regenerate and reabsorb bicarbonate, which is essential for maintaining a stable pH level in the body. B is incorrect because the kidneys primarily regulate pH by controlling bicarbonate levels, not through electrolyte changes. A is incorrect because the kidneys do not regulate carbonic acid in the same way. D is incorrect as it does not accurately describe the process of pH regulation in the kidneys.
Question 4 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 5 of 5
A client at risk for mild hypernatremia is being taught by a nurse. Which statement should the nurse include in this client's teaching?
Correct Answer: C
Rationale: The correct answer is C. Reading food labels to determine sodium content is important in managing mild hypernatremia. This allows the client to monitor and control their sodium intake, which can help prevent further elevation of sodium levels. Weighing oneself or checking the pulse does not directly address sodium intake. Choosing cooking methods like baking or grilling is more about reducing fat intake, not sodium.
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