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ATI Capstone Medical Surgical Assessment 1 Quizlet
1. What are the expected findings in a patient with hypokalemia?
- A. Cardiac dysrhythmias
- B. Seizures and confusion
- C. Bradycardia
- D. Muscle weakness
Correct answer: A
Rationale: The correct answer is A: Cardiac dysrhythmias. Hypokalemia is commonly associated with cardiac dysrhythmias due to the role potassium plays in maintaining proper electrical conduction in the heart. Choices B, C, and D are incorrect. While hypokalemia can lead to muscle weakness, the most critical and life-threatening manifestation is cardiac dysrhythmias. Seizures and confusion are more commonly associated with other electrolyte imbalances, such as hyponatremia. Bradycardia is not a typical finding in hypokalemia, as it tends to cause tachycardia or other arrhythmias.
2. What ECG changes are seen in hypokalemia?
- A. Flattened T waves on the ECG
- B. Elevated ST segments on the ECG
- C. Widened QRS complex
- D. Prominent U waves on the ECG
Correct answer: A
Rationale: The correct answer is A: Flattened T waves on the ECG. Flattened T waves are an early indicator of hypokalemia on an ECG. Choice B, Elevated ST segments, is not typically seen in hypokalemia but can be a sign of myocardial infarction. Choice C, Widened QRS complex, is more commonly associated with hyperkalemia. Choice D, Prominent U waves, is typically associated with hypokalemia, but flattened T waves are considered a more specific and early sign.
3. When caring for a patient with a burn injury, what is the priority intervention?
- A. Monitor the burn area for infection
- B. Administer IV fluids
- C. Debride the burn area
- D. Apply a dry dressing
Correct answer: A
Rationale: The priority intervention when caring for a patient with a burn injury is to monitor the burn area for infection. This is crucial to prevent further complications such as sepsis. While administering IV fluids is important for fluid resuscitation, it is not the top priority compared to preventing infection. Debriding the burn area and applying a dry dressing are necessary interventions for wound care, but ensuring there is no infection takes precedence to avoid sepsis and other serious complications.
4. 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.
5. What is a typical symptom of a hemorrhagic stroke in a patient?
- A. Sudden, severe headache
- B. Gradual onset of numbness
- C. Loss of consciousness
- D. Loss of speech ability
Correct answer: A
Rationale: A sudden, severe headache is a common symptom of a hemorrhagic stroke due to brain bleeding. This headache is often described as the worst headache of one's life. Gradual onset of numbness (choice B) is more characteristic of an ischemic stroke, where a blood clot blocks an artery in the brain. Loss of consciousness (choice C) can occur in severe cases of stroke but is not specific to hemorrhagic strokes. Loss of speech ability (choice D) is more associated with ischemic strokes affecting language centers of the brain.
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