third spacing occurs when fluid moves out of the intravascular space but not into the intracellular space based upon this fluid shift the nurse will e
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Nursing Elites

ATI RN

Fluid and Electrolytes ATI

1. Third spacing occurs when fluid moves out of the intravascular space but not into the intracellular space. Based on this fluid shift, the nurse will expect the patient to demonstrate:

Correct answer: D

Rationale: In the scenario of third-spacing fluid shift, where fluid moves out of the intravascular space but not into the intracellular space, the patient is expected to demonstrate hypovolemia. Hypertension (Choice A) is unlikely as hypovolemia typically leads to decreased blood pressure. Bradycardia (Choice B) is not a common manifestation of hypovolemia, as the body often tries to compensate by increasing heart rate. Hypervolemia (Choice C) indicates an excess of fluid, which is the opposite of what occurs in third spacing.

2. . A nurse assesses a client who had an intraosseous catheter placed in the left leg. Which assessment finding is of greatest concern?

Correct answer: D

Rationale:

3. You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?

Correct answer: A

Rationale:

4. A nurse admitting a patient with a history of emphysema reviews her past lab reports and notes that the patient's PaCO2 has been 56 to 64 mmHg. The nurse will be cautious administering oxygen because:

Correct answer: D

Rationale: When PaCO2 chronically exceeds 50 mm Hg, it creates insensitivity to CO2 in the respiratory medulla, and the use of oxygen may result in the patient developing carbon dioxide narcosis and hypoxemia. Choice A is incorrect because administering oxygen does not lead to a dramatic rise in calcium due to pituitary stimulation. Choice B is incorrect because administering oxygen does not directly increase intracranial pressure or create confusion. Choice C is incorrect because administering oxygen to a patient with emphysema and high PaCO2 levels is more likely to cause respiratory depression than hyperventilation and acidosis.

5. A patient has questioned the nurses administration of IV normal saline, asking whether sterile water would be a more appropriate choice than saltwater. Under what circumstances would the nurse administer electrolyte-free water intravenously?

Correct answer: A

Rationale:

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