ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation Questions
Question 1 of 5
A nurse assesses a client who is prescribed furosemide (Lasix) for hypertension. For which acid-base imbalance should the nurse assess to prevent complications of this therapy?
Correct Answer: D
Rationale: The correct answer is D: Metabolic alkalosis. Furosemide, a loop diuretic, can lead to potassium depletion and metabolic alkalosis due to excessive loss of chloride and hydrogen ions. The nurse should assess for signs of metabolic alkalosis such as confusion, muscle weakness, and dysrhythmias to prevent complications. Respiratory acidosis and alkalosis are not directly related to furosemide therapy. Metabolic acidosis is less likely due to furosemide's mechanism of action.
Question 2 of 5
A nurse is assessing clients on a medical-surgical unit. Which clients are at increased risk for hypophosphatemia? (Select all that do not apply.)
Correct Answer: C
Rationale: The correct answer is C because antacids contain aluminum or magnesium, which can bind with phosphorus and decrease its absorption, leading to hypophosphatemia. Malnourishment (choice A) can cause hypophosphatemia due to inadequate intake, uncontrolled diabetes (choice B) is associated with hyperphosphatemia, and hyperparathyroidism (choice D) can lead to hyperphosphatemia due to increased calcium levels.
Question 3 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 4 of 5
When planning the care of a patient with a fluid imbalance, the nurse understands that in the human body, water and electrolytes move from the arterial capillary bed to the interstitial fluid. What causes this to occur?
Correct Answer: D
Rationale: Rationale: The correct answer is D. Hydrostatic pressure resulting from the pumping action of the heart causes water and electrolytes to move from the arterial capillary bed to the interstitial fluid. This occurs due to the force exerted by the heart's pumping action, pushing fluid out of the capillaries into the interstitial space. This process is known as filtration and is essential for maintaining fluid balance in the body. Summary of other choices: A: Active transport of hydrogen ions does not directly cause the movement of water and electrolytes between capillaries and interstitial fluid. B: The pressure in renal capillaries specifically relates to the kidneys, not the general movement of water and electrolytes in the body. C: The dissolved particles in blood do not directly contribute to the movement of water and electrolytes between capillaries and interstitial fluid.
Question 5 of 5
A nurse educator is reviewing peripheral IV insertion with a group of novice nurses. How should these nurses be encouraged to deal with excess hair at the intended site?
Correct Answer: C
Rationale: The correct answer is C: Clip the hair in the area. Clipping the hair is the most appropriate option as it reduces the risk of infection during IV insertion by minimizing the presence of bacteria that may be trapped in the hair. Shaving (B) can cause micro-abrasions leading to increased infection risk. Leaving the hair intact (A) can also trap bacteria. Using a depilatory (D) can cause skin irritation and should be avoided. In summary, clipping the hair is the best option to maintain a clean and safe environment for IV insertion.
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