ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. A medical-surgical nurse is concerned about the incidence of complications related to IV therapy, including bloodstream infection. Which intervention should the nurse suggest to the management team to make the biggest impact on decreasing complications
- A. Initiate a dedicated team to insert access devices
- B. . Require additional education for all nurses.
- C. Limit the use of peripheral venous access devices.
- D. Perform quality control testing on skin preparation products.
Correct answer: A
Rationale:
2. A nurse is caring for a client who has just had a central venous access line inserted. Which action should the nurse take next?
- A. Begin the prescribed infusion via the new access
- B. Ensure an x-ray is completed to confirm placement.
- C. Check medication calculations with a second RN.
- D. Make sure the solution is appropriate for a central line
Correct answer: B
Rationale:
3. Which of the following might the nurse assess in a patient diagnosed with hypermagnesemia?
- A. Diminished deep tendon reflexes
- B. Tachycardia
- C. Cool clammy skin
- D. Increased serum magnesium
Correct answer: A
Rationale: The correct answer is A: Diminished deep tendon reflexes. In a patient with hypermagnesemia, the nurse would assess for diminished deep tendon reflexes. Hypermagnesemia can lead to neuromuscular depression, causing a decrease in deep tendon reflexes. Tachycardia (choice B) is more commonly associated with hypomagnesemia. Cool clammy skin (choice C) is not typically a direct symptom of hypermagnesemia. While hypermagnesemia does involve increased serum magnesium levels (choice D), assessing serum levels is a laboratory test and not a clinical assessment like checking deep tendon reflexes.
4. A nurse is caring for a client who has the following laboratory results: potassium 3.4 mEq/L, magnesium 1.8 mEq/L, calcium 8.5 mEq/L, sodium 144 mEq/L. Which assessment should the nurse complete first?
- A. Depth of respirations
- B. Bowel sounds
- C. Grip strength
- D. Electrocardiography
Correct answer: A
Rationale: The correct answer is 'Depth of respirations.' In a client with electrolyte imbalances like low potassium (hypokalemia) and low magnesium (hypomagnesemia), respiratory changes, such as shallow respirations or respiratory muscle weakness, can occur and lead to respiratory compromise. Assessing the depth of respirations is crucial to evaluate respiratory function in this client. Bowel sounds, grip strength, and electrocardiography are also important assessments in different situations, but in this case, respiratory assessment takes priority due to the potential impact of electrolyte imbalances on breathing.
5. The patient asks the nurse if he will die if air bubbles get into the IV tubing. What is the nurse's best response?
- A. The system is closed, and that scenario is highly unlikely.
- B. Only relatively large volumes of air administered rapidly are dangerous.
- C. There is a risk of complications associated with IV administration.
- D. You have been influenced by movies too much.
Correct answer: B
Rationale: The correct answer is B because air emboli are more commonly associated with central vein access. Usually, only relatively large volumes of air administered rapidly are dangerous. It is a significant concern when air enters a central venous access line. Choice A is incorrect as it downplays the risk and is not entirely accurate. Choice C is too general and does not specifically address the patient's concern. Choice D is dismissive and does not provide any relevant information regarding the risk of air bubbles in IV tubing.
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