Nursing Elites

1. Which ECG change is associated with hyperkalemia?

• A. Flattened T waves
• B. Prominent U waves
• C. Elevated ST segments
• D. Widened QRS complex

Correct answer: A

Rationale: Flattened T waves are a characteristic ECG change seen in hyperkalemia. Hyperkalemia affects the repolarization phase of the cardiac cycle, leading to T wave abnormalities. Prominent U waves are typically seen in hypokalemia. Elevated ST segments are more indicative of myocardial infarction or pericarditis. Widened QRS complexes are commonly associated with conditions like bundle branch blocks or certain toxicities.

2. A nurse is providing teaching to a client who was newly diagnosed with nephrotic syndrome. Which of the following statements should indicate to the nurse that the client understands the teaching?

• A. I can expect swelling in my hands and on my face.
• B. The amount of protein in my blood is high.
• C. I might have some pain and gas in my stomach from this condition.
• D. I will use a soft bristle toothbrush to prevent bleeding gums.

Correct answer: A

Rationale: The correct answer is A. Nephrotic syndrome leads to edema, especially of the face and dependent areas, due to the loss of protein in the urine. Choice B is incorrect because nephrotic syndrome leads to protein loss in the urine, not an increase in blood protein levels. Choice C is incorrect as stomach pain and gas are not typical symptoms of nephrotic syndrome. Choice D is incorrect as using a soft bristle toothbrush is not directly related to the manifestations of nephrotic syndrome.

3. What are the expected changes on an ECG for a patient with hypokalemia?

• A. Flattened T waves
• B. Prominent U waves
• C. ST elevation
• D. Wide QRS complexes

Correct answer: A

Rationale: Flattened T waves are an early sign of hypokalemia on an ECG. Hypokalemia primarily manifests as flattened T waves on an ECG. While prominent U waves can be seen in hypokalemia, they are not as specific as flattened T waves. ST elevation is more commonly associated with conditions like myocardial infarction rather than hypokalemia. Wide QRS complexes are typically not a feature of hypokalemia on an ECG.

4. A nurse is caring for a client who has dehydration. The client has a peripheral IV and a prescription for an infusion of 0.9% sodium chloride 1,000 mL with 40 mEq potassium chloride to infuse over 1 hr. Which of the following actions should the nurse take first?

• A. Teach the client to report findings of IV extravasation
• B. Evaluate the patency of the IV
• C. Consult with the pharmacist about the prescription
• D. Verify the prescription with the provider

Correct answer: D

Rationale: The nurse's priority action should be to verify the prescription with the provider. This is crucial to prevent injury from fluid volume overload and rapid potassium infusion. Verifying the prescription ensures that the correct solution, rate, and additives are ordered according to the client's condition. While evaluating the patency of the IV is important, verifying the prescription takes precedence to ensure patient safety. Consulting with the pharmacist can be beneficial, but confirming the prescription with the provider is the immediate priority. Teaching the client about IV extravasation is important but is not the first action the nurse should take in this scenario.

5. What does continuous bubbling in the water seal chamber of a chest tube indicate?

• A. An air leak
• B. Normal chest tube function
• C. A blockage in the chest tube
• D. A malfunction in the drainage system

Correct answer: A

Rationale: Continuous bubbling in the water seal chamber of a chest tube indicates an air leak. This bubbling occurs when air leaks from the patient's pleural space into the chest tube system. It is essential to address this issue promptly to prevent complications like a pneumothorax. Choices B, C, and D are incorrect because continuous bubbling in the water seal chamber is not indicative of normal chest tube function, a blockage in the chest tube, or a malfunction in the drainage system.

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