ATI RN
ATI Capstone Adult Medical Surgical Assessment 2
1. What ECG changes are associated with hyperkalemia?
- A. Flattened T waves
- B. ST depression
- C. Prominent U waves
- D. Elevated ST segments
Correct answer: B
Rationale: Hyperkalemia is known to cause ST depression on an ECG. Flattened T waves are more commonly seen in hypokalemia. Prominent U waves are associated with hypokalemia rather than hyperkalemia. Elevated ST segments are not typical findings in hyperkalemia.
2. What intervention is needed when continuous bubbling is observed in the chest tube water seal chamber?
- A. Tighten the connections of the chest tube system
- B. Clamp the chest tube
- C. Replace the chest tube system
- D. Continue monitoring the chest tube
Correct answer: A
Rationale: When continuous bubbling is observed in the chest tube water seal chamber, the correct intervention is to tighten the connections of the chest tube system. This can help resolve an air leak that is causing the continuous bubbling. Clamping the chest tube or replacing the entire chest tube system are not appropriate interventions in this scenario. Clamping the tube can lead to a dangerous buildup of pressure, while replacing the chest tube system may not be necessary if the issue can be resolved by simply tightening the connections. Continuing to monitor the chest tube without taking corrective action may lead to complications associated with the air leak.
3. What intervention is needed for a patient with a chest tube and an air leak?
- A. Tighten the connections of the chest tube system
- B. Replace the chest tube
- C. Clamp the chest tube
- D. Continue to monitor the chest tube
Correct answer: A
Rationale: The correct intervention for a patient with a chest tube and an air leak is to tighten the connections of the chest tube system. This step helps prevent air leaks and ensures the proper functioning of the chest tube. Choice B, replacing the chest tube, is not necessary as tightening the connections should be attempted first. Clamping the chest tube (Choice C) is not recommended as it can lead to complications by obstructing the drainage system. Continuing to monitor the chest tube (Choice D) without taking action may result in worsening of the air leak. Therefore, the priority intervention is to tighten the connections of the chest tube system.
4. What is an escharotomy, and why is it performed?
- A. To relieve pressure and improve circulation in burn injuries
- B. To reduce pain in the affected area
- C. To remove necrotic tissue from a wound
- D. To remove fluid from a burn wound
Correct answer: A
Rationale: An escharotomy is a surgical procedure performed to relieve pressure and improve circulation in areas affected by deep burns. Choice A is the correct answer because the primary goal of an escharotomy is to prevent compartment syndrome caused by increased pressure within the affected tissues. Choices B, C, and D are incorrect because an escharotomy is not primarily performed to reduce pain, remove necrotic tissue, or drain fluid from a burn wound, but to address the specific issue of compromised blood flow and pressure within deep burn injuries.
5. What is the initial nursing action for a patient with a chest tube found to have an air leak?
- A. Check the tube connections
- B. Replace the chest tube
- C. Remove and reinsert the chest tube
- D. Document the incident
Correct answer: A
Rationale: When a patient with a chest tube is found to have an air leak, the priority action for the nurse is to check the tube connections. This step helps identify the source of the air leak, which can be caused by loose or disconnected tube connections. Once the source of the leak is identified and addressed, further interventions may be necessary. Replacing or removing and reinserting the chest tube should not be the initial response unless there are specific indications for these actions. Documenting the incident is important but comes after addressing the immediate concern of the air leak.
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