Nursing Elites

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. While administering a blood transfusion, a nurse suspects that the client is having an adverse reaction. Which of the following actions should the nurse take first?

• A. Maintain IV access
• B. Obtain the client's vital signs
• C. Contact the provider
• D. Stop the transfusion

Correct answer: D

Rationale: The correct first action for the nurse to take when suspecting an adverse reaction to a blood transfusion is to stop the transfusion immediately. Stopping the transfusion helps prevent further harm to the client. Maintaining IV access and obtaining vital signs are important steps but come after stopping the transfusion in this situation. Contacting the provider can be done after ensuring the client's safety by stopping the transfusion.

3. What is the priority action for a patient experiencing chest pain from acute coronary syndrome?

• A. Administer sublingual nitroglycerin
• B. Administer aspirin
• C. Obtain IV access
• D. Check cardiac enzymes

Correct answer: A

Rationale: The correct answer is to administer sublingual nitroglycerin. This medication helps to dilate the blood vessels, reduce the workload on the heart, and improve blood flow to the heart muscle, providing immediate relief for chest pain in acute coronary syndrome. Administering aspirin is also crucial in the early management of acute coronary syndrome to prevent further clot formation. However, in terms of immediate symptom relief, nitroglycerin takes precedence over aspirin. Obtaining IV access is important for administering medications and fluids but is not the priority over providing immediate relief for chest pain. Checking cardiac enzymes is essential for diagnosing acute coronary syndrome but is not the immediate priority when a patient is experiencing chest pain.

4. What are the signs and symptoms of a hemorrhagic stroke?

• A. Sudden severe headache, decreased level of consciousness, and seizures
• B. Loss of consciousness and weakness
• C. Temporary vision loss
• D. Severe chest pain and shortness of breath

Correct answer: A

Rationale: The correct answer is A. A hemorrhagic stroke often presents with a sudden severe headache, decreased level of consciousness, and seizures due to bleeding in the brain. Choice B, loss of consciousness and weakness, is more indicative of an ischemic stroke where a clot blocks blood flow to the brain. Choice C, temporary vision loss, is more commonly seen in conditions like transient ischemic attacks (TIAs) or retinal migraines. Choice D, severe chest pain and shortness of breath, are symptoms more associated with cardiac issues like a heart attack.

5. What ECG changes are expected in hypokalemia?

• A. Flattened T waves on ECG
• B. Prominent U waves on ECG
• C. Widened QRS complexes on ECG
• D. ST elevation on ECG

Correct answer: A

Rationale: In hypokalemia, flattened T waves are a common ECG finding due to the decreased extracellular potassium affecting repolarization. Prominent U waves are typically seen in hypokalemia as well, but flattened T waves are the more specific and early ECG change. Widened QRS complexes are associated with hyperkalemia, not hypokalemia. ST elevation is often seen in conditions like myocardial infarction, pericarditis, or early repolarization syndrome, not specifically in hypokalemia.

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