ATI RN
ATI Capstone Adult Medical Surgical Assessment 2
1. What ECG changes are seen with hyperkalemia?
- A. Flattened T waves
- B. Elevated ST segments
- C. Prominent U waves
- D. Widened QRS complex
Correct answer: A
Rationale: Flattened T waves are an early ECG sign of hyperkalemia. Hyperkalemia affects the repolarization phase of the cardiac action potential, leading to changes such as peaked T waves, prolonged PR interval, widened QRS complex, and ultimately sine wave pattern. Elevated ST segments, prominent U waves, and widened QRS complex are not typically associated with hyperkalemia, making choices B, C, and D incorrect.
2. When caring for a patient with hypokalemia, what should the nurse monitor for?
- A. Monitor for muscle weakness
- B. Check for cardiac dysrhythmias
- C. Monitor for bradycardia
- D. Monitor for seizures
Correct answer: A
Rationale: Corrected Answer: Muscle weakness is a common sign of hypokalemia. The nurse should monitor for muscle weakness as potassium plays a crucial role in muscle function. Choices B, C, and D are incorrect because although hypokalemia can lead to cardiac dysrhythmias, bradycardia, and even seizures in severe cases, muscle weakness is a more common and specific sign directly related to potassium levels.
3. What does continuous bubbling in the water seal chamber of a chest tube indicate?
- A. An air leak
- B. Drainage in the chest tube
- C. A blocked chest tube
- D. Normal chest tube function
Correct answer: A
Rationale: Continuous bubbling in the water seal chamber of a chest tube indicates an air leak. This signifies that air is escaping from the patient's pleural space into the chest tube system rather than being evacuated properly. An air leak can lead to lung collapse or pneumothorax and requires immediate attention. Therefore, choice A is the correct answer. Choices B, C, and D are incorrect because continuous bubbling does not indicate normal chest tube function, drainage in the chest tube, or a blocked chest tube.
4. What is the priority action if a patient experiences hypoglycemia after an insulin dose?
- A. Check the patient's blood glucose level
- B. Administer IV dextrose
- C. Document the incident
- D. Continue monitoring the patient
Correct answer: A
Rationale: The priority action when a patient experiences hypoglycemia after an insulin dose is to check the patient's blood glucose level. This is crucial to confirm hypoglycemia before initiating any treatment. While administering IV dextrose may be necessary if the patient's blood glucose level is critically low, confirming hypoglycemia is essential to guide appropriate interventions. Documenting the incident is important for documentation purposes but is not the immediate priority when the patient's safety is at risk. Continuing to monitor the patient is essential, but it should follow the confirmation and initial management of hypoglycemia.
5. What should be monitored for in a patient with compartment syndrome?
- A. Unrelieved pain, pallor, and pulselessness
- B. Localized redness and swelling
- C. Fever and infection
- D. Muscle weakness and fatigue
Correct answer: A
Rationale: Correct Answer: A. Unrelieved pain, pallor, and pulselessness are classic signs of compartment syndrome that indicate inadequate blood flow to the affected area. These symptoms are crucial to monitor as they signify a medical emergency requiring immediate intervention. Choices B, C, and D are incorrect because they do not align with the typical manifestations of compartment syndrome. Localized redness and swelling may be present but are not the primary indicators. Fever and infection are also not specific to compartment syndrome, and muscle weakness and fatigue are not typically prominent symptoms of this condition.
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