Nursing Elites

1. What is the most likely cause of continuous bubbling in the water seal chamber of a chest tube?

• A. An air leak
• B. A blockage in the chest tube
• C. Normal chest tube function
• D. Drainage from the chest tube

Correct answer: A

Rationale: Continuous bubbling in the water seal chamber of a chest tube usually indicates an air leak. An air leak can disrupt the negative pressure required for the chest tube to function properly, leading to inadequate drainage and potential complications. A blockage in the chest tube would typically result in decreased or absent drainage rather than continuous bubbling. Normal chest tube function does not involve continuous bubbling in the water seal chamber. Drainage from the chest tube may lead to fluid moving into the drainage system, but it would not cause continuous bubbling in the water seal chamber.

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

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

Correct answer: A

Rationale: The correct answer is to administer sublingual nitroglycerin. This medication helps dilate the blood vessels, reducing the workload of the heart and improving blood flow to the heart muscle, which is crucial in the management of acute coronary syndrome. Checking cardiac enzymes (choice B) is important for diagnosing a heart attack but is not the priority over providing immediate relief to the patient's chest pain. Administering aspirin (choice C) is also important in acute coronary syndrome to prevent further clot formation, but it is not the priority action for immediate pain relief. Obtaining IV access (choice D) is necessary for administering medications or fluids; however, in this scenario, providing sublingual nitroglycerin for prompt pain relief takes precedence.

3. What intervention is needed for continuous bubbling 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: The correct intervention for continuous bubbling in the chest tube water seal chamber is to tighten the connections of the chest tube system. Continuous bubbling indicates an air leak in the system, and tightening the connections can help resolve this issue. Clamping the chest tube (Choice B) is not appropriate and can lead to complications by obstructing the drainage system. Similarly, replacing the entire chest tube system (Choice C) may not be necessary if the issue can be resolved by tightening the connections. Continuing to monitor the chest tube (Choice D) without taking action to address the continuous bubbling may delay necessary interventions to prevent complications.

4. A nurse is assessing a client who has a heart rate of 40/min. The client is diaphoretic and has chest pain. Which of the following medications should the nurse plan to administer?

• A. Lidocaine
• B. Adenosine
• C. Atropine
• D. Verapamil

Correct answer: C

Rationale: The correct answer is C: Atropine. The client's presentation of bradycardia, diaphoresis, and chest pain indicates reduced cardiac output, requiring intervention to increase the heart rate. Atropine is used to treat bradycardia by blocking cardiac muscarinic receptors, thus inhibiting the parasympathetic nervous system. Lidocaine (Choice A) is used for ventricular arrhythmias, not bradycardia. Adenosine (Choice B) is used for supraventricular tachycardia, not bradycardia. Verapamil (Choice D) is a calcium channel blocker used for certain arrhythmias and hypertension, but not for increasing heart rate in bradycardia.

5. What signs indicate increased intracranial pressure (IICP)?

• A. Restlessness, irritability, and confusion
• B. Sudden onset of seizures
• C. Bradycardia and altered pupil response
• D. Loss of consciousness

Correct answer: A

Rationale: Restlessness, irritability, and confusion are early signs of increased intracranial pressure (IICP). These symptoms occur due to the brain's increased pressure within the skull. Sudden onset of seizures (Choice B) is not typically associated with increased intracranial pressure. Bradycardia and altered pupil response (Choice C) are signs of advanced or worsening IICP. Loss of consciousness (Choice D) is a late sign of increased intracranial pressure.

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