ATI RN
ATI Fluid and Electrolytes
1. What fluid is found in spaces between the cells?
- A. Intracellular fluid
- B. Interstitial fluid
- C. Plasma
- D. Electrolyte
Correct answer: B
Rationale: The correct answer is B, Interstitial fluid. Interstitial fluid is the fluid that surrounds and occupies the spaces between cells, providing them with nutrients and removing waste. Choices A, C, and D are incorrect because intracellular fluid refers to fluid inside cells, plasma refers to the liquid component of blood, and electrolyte refers to substances that dissociate into ions in solution, affecting fluid balance but not specifically found in spaces between cells.
2. What would be the best initial nursing action prior to inserting an IV?
- A. Instruct the patient to wash their hands.
- B. Prepare the IV insertion site with povidone iodine.
- C. Verify the order for IV therapy.
- D. Identify a suitable vein.
Correct answer: C
Rationale: The best initial nursing action prior to inserting an IV is to verify the order for IV therapy. This step ensures that the IV insertion is appropriate and necessary based on the physician's orders. Instructing the patient to wash their hands (Choice A) is important for infection control but not the immediate priority before IV insertion. While preparing the IV insertion site with povidone iodine (Choice B) and identifying a suitable vein (Choice D) are crucial steps in the process, confirming the order for IV therapy (Choice C) takes precedence to ensure the correct intervention is being performed.
3. . A nurse assesses a client with diabetes mellitus who is admitted with an acid-base imbalance. The clients arterial blood gas values are pH 7.36, PaO2 98 mm Hg, PaCO2 33 mm Hg, and HCO3 18 mEq/L. Which manifestation should the nurse identify as an exam
- A. Increased rate and depth of respirations
- B. ncreased urinary output
- C. Increased thirst and hunger
- D. ncreased release of acids from the kidneys
Correct answer: Increased rate and depth of respirations
Rationale:
4. What is the fluid inside the cell called?
- A. Plasma
- B. Intracellular fluid
- C. Interstitial fluid
- D. Plasma and intracellular fluid
Correct answer: B
Rationale: The correct answer is 'Intracellular fluid.' Intracellular fluid refers to the fluid contained within the cells, constituting a significant portion of the body's total water content. Choices A, C, and D are incorrect. Plasma is the liquid component of blood outside the cells, interstitial fluid is the fluid surrounding cells in tissues, and the combination of plasma and intracellular fluid is not the specific term for the fluid inside the cell.
5. You are an emergency-room nurse caring for a trauma patient. Your patient has the following arterial blood gas results: pH 7.26, PaCO2 28, HCO3 11 mEq/L. How would you interpret these results?
- A. Respiratory acidosis with no compensation
- B. Metabolic alkalosis with a compensatory alkalosis
- C. Metabolic acidosis with no compensation
- D. Metabolic acidosis with a compensatory respiratory alkalosis
Correct answer: Metabolic acidosis with a compensatory respiratory alkalosis
Rationale:
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