Nursing Elites

1. The nurse is caring for a client with a suspected myocardial infarction (MI). Which laboratory test result is most indicative of a recent MI?

• A. Elevated troponin levels
• B. Increased white blood cell count
• C. Increased lactate dehydrogenase (LDH)
• D. Elevated C-reactive protein (CRP)

Correct answer: A

Rationale: Elevated troponin levels are the most specific and sensitive indicator of myocardial infarction. Troponin levels increase within hours of an MI and remain elevated for several days. White blood cell count, lactate dehydrogenase (LDH), and C-reactive protein (CRP) are not specific markers for MI. An increased white blood cell count may indicate inflammation or infection, increased LDH levels can be seen in various conditions like liver disease or muscle injury, and elevated CRP is a general marker of inflammation rather than specific to MI.

2. A client is receiving a blood transfusion and develops a fever. What is the nurse's first action?

• A. Administer an antipyretic as prescribed.
• B. Stop the transfusion and notify the healthcare provider.
• C. Slow the rate of the transfusion.
• D. Continue the transfusion and reassess in 15 minutes.

Correct answer: B

Rationale: The correct first action when a client receiving a blood transfusion develops a fever is to stop the transfusion and notify the healthcare provider. This is crucial to prevent further reactions and ensure prompt intervention. Administering an antipyretic (Choice A) may mask symptoms and delay appropriate treatment. Slowing the rate of the transfusion (Choice C) might not address the underlying cause of the fever. Continuing the transfusion and reassessing in 15 minutes (Choice D) could worsen the client's condition if there is a severe reaction occurring.

3. A postoperative client with a history of diabetes mellitus is showing signs of hyperglycemia. What should the nurse assess first?

• A. Assess for signs of infection.
• B. Monitor the client’s fluid intake and output.
• C. Check the client’s capillary blood glucose level.
• D. Assess the client’s serum potassium level.

Correct answer: C

Rationale: The correct answer is to check the client’s capillary blood glucose level first. In a postoperative client with a history of diabetes mellitus showing signs of hyperglycemia, assessing blood glucose levels is crucial to confirm hyperglycemia and initiate appropriate interventions. While signs of infection are important to assess due to the client's postoperative status and diabetic history, checking the blood glucose level takes precedence to address the immediate concern of hyperglycemia. Monitoring fluid intake and output is essential but not the priority in this scenario. Assessing the client’s serum potassium level is important for overall assessment but not the initial step when hyperglycemia is suspected.

4. To prevent unnecessary hypoxia during suctioning of a tracheostomy, what must the nurse do?

• A. Apply suction for no more than 10 seconds
• B. Maintain sterile technique
• C. Lubricate 3 to 4 inches of the catheter tip
• D. Withdraw catheter in a circular motion

Correct answer: A

Rationale: The correct answer is to apply suction for no more than 10 seconds. Prolonged suctioning can lead to hypoxia, so it is essential to limit the suctioning time. Maintaining sterile technique (choice B) is important to prevent infections but is not directly related to preventing hypoxia during suctioning. Lubricating the catheter tip (choice C) helps with insertion but does not specifically address hypoxia prevention. Withdrawing the catheter in a circular motion (choice D) is not a standard practice during tracheostomy suctioning and does not help prevent hypoxia.

5. The nurse is assessing a client with rheumatoid arthritis who is taking a nonsteroidal anti-inflammatory drug (NSAID). Which laboratory value should the nurse monitor?

• A. Potassium
• B. Hemoglobin
• C. Serum creatinine
• D. White blood cell count

Correct answer: C

Rationale: When a client with rheumatoid arthritis is taking NSAIDs, the nurse should monitor serum creatinine levels. NSAIDs can potentially cause kidney damage, so monitoring creatinine levels helps assess for renal impairment. While monitoring hemoglobin, potassium, and white blood cell count may also be relevant in some cases, serum creatinine is the priority due to the risk of renal complications associated with NSAID use.

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