Nursing Elites

1. 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.

2. What ECG changes should be monitored in a patient with hypokalemia?

• A. Flattened T waves and prominent U waves
• B. Elevated ST segments and wide QRS complexes
• C. Tall T waves and flattened QRS complexes
• D. Widened QRS complexes and decreased P wave amplitude

Correct answer: A

Rationale: The correct answer is A: Flattened T waves and prominent U waves. In hypokalemia, there is a decrease in potassium levels, which can lead to ECG changes such as flattened T waves and prominent U waves. These changes are classic findings associated with hypokalemia. Choices B (Elevated ST segments and wide QRS complexes), C (Tall T waves and flattened QRS complexes), and D (Widened QRS complexes and decreased P wave amplitude) are all incorrect. Elevated ST segments and wide QRS complexes are not typically seen in hypokalemia. Tall T waves and flattened QRS complexes, as well as widened QRS complexes and decreased P wave amplitude, do not represent the typical ECG changes seen in hypokalemia.

3. What are the expected findings in a patient with a thrombotic stroke?

• A. Gradual loss of function on one side of the body
• B. Sudden loss of consciousness
• C. Severe headache and vomiting
• D. Loss of sensation in the affected limb

Correct answer: A

Rationale: The correct answer is A: Gradual loss of function on one side of the body. In a thrombotic stroke, a blood clot forms in an artery supplying blood to the brain, leading to reduced blood flow to a specific area of the brain. This results in a gradual onset of neurological deficits, such as weakness, numbness, or paralysis on one side of the body. Choices B, C, and D are incorrect because sudden loss of consciousness, severe headache and vomiting, and loss of sensation in the affected limb are more commonly associated with other types of strokes or medical conditions, not specifically thrombotic strokes. Thrombotic strokes typically present with gradual symptoms due to the gradual blockage of blood flow, leading to a progressive neurological deficit.

4. What is the expected ECG finding in a patient with hypokalemia?

• A. Flattened T waves
• B. Elevated ST segments
• C. Widened QRS complexes
• D. Widened QRS complexes on the ECG

Correct answer: A

Rationale: The correct answer is A: Flattened T waves. In hypokalemia, there is a decrease in serum potassium levels, which can lead to various ECG changes. One of the classic ECG findings associated with hypokalemia is the presence of flattened T waves. These T wave abnormalities are typically seen in multiple leads. Choice B, elevated ST segments, is not a typical ECG finding in hypokalemia. Choice C, widened QRS complexes, is more commonly associated with hyperkalemia rather than hypokalemia. Choice D is redundant and not a standard way of describing ECG findings.

5. 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.

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