ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. After teaching a client to increase dietary potassium intake, a nurse assesses the client's understanding. Which dietary meal selection indicates the client correctly understands the teaching?
- A. Toasted English muffin with butter and blueberry jam, and tea with sugar
 - B. Two scrambled eggs, a slice of white toast, and a half cup of strawberries
 - C. Sausage, one slice of whole wheat toast, half cup of raisins, and a glass of milk
 - D. Bowl of oatmeal with brown sugar, a half cup of sliced peaches, and coffee
 
Correct answer: C
Rationale: Choice C is the correct answer as it includes foods high in potassium, such as raisins, whole wheat toast, and milk. Potassium is essential for various bodily functions, including maintaining proper heart and muscle function. Choices A, B, and D do not contain significant sources of potassium. Choice A consists mainly of carbohydrates and sugar, choice B focuses on protein and carbohydrates, and choice D provides carbohydrates and some fruit but lacks high-potassium options like in choice C.
2. A nurse is assessing clients for fluid and electrolyte imbalances. Which client should the nurse assess first for potential hyponatremia?
- A. A 34-year-old on NPO status who is receiving intravenous D5W
 - B. A 50-year-old with an infection who is prescribed a sulfonamide antibiotic
 - C. A 67-year-old who is experiencing pain and is prescribed ibuprofen (Motrin)
 - D. A 73-year-old with tachycardia who is receiving digoxin (Lanoxin)
 
Correct answer: A
Rationale: The correct answer is the 34-year-old on NPO status receiving intravenous D5W because D5W is a hypotonic solution that can dilute the blood's sodium levels, leading to hyponatremia. Patients on NPO status rely solely on intravenous fluids for hydration, making them more susceptible to electrolyte imbalances. Choices B, C, and D are less likely to cause hyponatremia. Choice B, the 50-year-old with an infection on a sulfonamide antibiotic, is at risk for allergic reactions or renal issues. Choice C, the 67-year-old taking ibuprofen, is at risk for gastrointestinal bleeding or kidney problems. Choice D, the 73-year-old on digoxin with tachycardia, is more likely to experience digoxin toxicity, affecting the heart's rhythm.
3. 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?
- A. Air emboli
 - B. Phlebitis
 - C. Infiltration
 - D. Fluid overload
 
Correct answer: C
Rationale:
4. A nurse is caring for clients with electrolyte imbalances on a medical-surgical unit. Which clinical manifestations are correctly paired with the contributing electrolyte imbalance? (Select all that do not apply.)
- A. Hypokalemia Flaccid paralysis with respiratory depression
 - B. Hyperphosphatemia Paresthesia with sensations of tingling and numbness
 - C. . Hyponatremia Decreased level of consciousness
 - D.
 
Correct answer: B
Rationale:
5. The baroreceptors, located in the left atrium and in the carotid and aortic arches, respond to changes in the circulating blood volume and regulate sympathetic and parasympathetic neural activity as well as endocrine activities. Sympathetic stimulation constricts renal arterioles, causing what effect?
- A. Decrease in the release of aldosterone
 - B. Increase of filtration in the Loop of Henle
 - C. Decrease in the reabsorption of sodium
 - D. Decrease in glomerular filtration
 
Correct answer: D
Rationale:
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