Nursing Elites

1. A client's arterial blood gas results show a pH of 7.3 and a PaCO2 of 50 mm Hg. The client is experiencing which of the following acid-base imbalances?

• A. Metabolic acidosis
• B. Metabolic alkalosis
• C. Respiratory acidosis
• D. Respiratory alkalosis

Correct answer: C

Rationale: In respiratory acidosis, there is an excess of carbon dioxide (PaCO2 > 45 mm Hg) leading to a decrease in pH (<7.35). The given values of a pH of 7.3 and PaCO2 of 50 mm Hg indicate respiratory acidosis. Metabolic acidosis involves a primary decrease in bicarbonate levels with a compensatory decrease in PaCO2 to maintain balance. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels. Respiratory alkalosis is marked by low PaCO2 and increased pH levels.

2. A client who is intubated and has an intra-aortic balloon pump is restless and agitated. What action should the nurse perform first for comfort?

• A. Allow family members to remain at the bedside.
• B. Ask the family if the client would like a fan in the room.
• C. Keep the television tuned to the client's favorite channel.
• D. Speak loudly to the client in case of hearing problems.

Correct answer: A

Rationale: Allowing the family to remain at the bedside can help calm the client with familiar voices and presence, potentially reducing restlessness and agitation. Introducing a fan may not be the priority as it can spread germs through air movement. Keeping the television on all the time may not promote rest and recovery. Speaking loudly is not advisable as it may further agitate the client. Therefore, the initial action of allowing family members to stay is most likely to provide comfort and reassurance to the client.

3. A client with heart failure has gained 2 kg (4.4 lbs) in the past 24 hours. What action should the nurse take first?

• A. Restrict the client's fluid intake.
• B. Assess the client's respiratory status.
• C. Administer diuretics as ordered.
• D. Notify the healthcare provider.

Correct answer: B

Rationale: Assessing the client's respiratory status is the priority as it helps determine if the weight gain is due to fluid retention affecting breathing. This assessment is crucial in addressing the immediate concern of potential respiratory distress before implementing interventions like fluid restriction, diuretics, or notifying the healthcare provider.

4. A client had an inferior wall myocardial infarction (MI). The nurse notes the client's cardiac rhythm as shown below. What action by the nurse is most important?

• A. Assess the client's blood pressure and level of consciousness.
• B. Call the health care provider or the Rapid Response Team.
• C. Obtain a permit for an emergency temporary pacemaker insertion.
• D. Prepare to administer antidysrhythmic medication.

Correct answer: A

Rationale: The ECG strip shows sinus bradycardia, which is common in clients with an inferior wall MI. This rhythm can lead to decreased perfusion due to bradycardia and blocks. The most crucial initial action for the nurse is to assess the client's hemodynamic status, including blood pressure and level of consciousness. This assessment will help determine the immediate needs of the client. Calling the health care provider or the Rapid Response Team, obtaining a permit for a pacemaker insertion, or preparing to administer antidysrhythmic medication may be necessary based on the assessment findings, but the priority is to evaluate the client's current condition first.

5. A client presents with shortness of breath, pain in the lung area, and a recent history of starting birth control pills and smoking. Vital signs include a heart rate of 110/min, respiratory rate of 40/min, and blood pressure of 140/80 mm Hg. Arterial blood gases reveal pH 7.50, PaCO2 29 mm Hg, PaO2 60 mm Hg, HCO3 20 mEq/L, and SaO2 86%. What is the priority nursing intervention?

• A. Prepare for mechanical ventilation.
• B. Administer oxygen via face mask.
• C. Prepare to administer a sedative.
• D. Assess for indications of pulmonary embolism.

Correct answer: B

Rationale: In a client with a high respiratory rate, low PaO2, and low SaO2, the priority intervention is to improve oxygenation. Administering oxygen via a face mask will help increase the oxygen supply to the client's lungs and tissues, addressing the hypoxemia. While mechanical ventilation may be necessary in severe cases, administering oxygen is the initial and most appropriate intervention to address the client's respiratory distress. Sedatives should not be given without ensuring adequate oxygenation. Assessing for pulmonary embolism is important but not the priority at this moment when the client is experiencing respiratory distress and hypoxemia.

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