Nursing Elites

1. A client with a diagnosis of myocardial infarction (MI) is being treated. Which laboratory value would be most concerning?

• A. Troponin level of 0.5 ng/mL
• B. Creatine kinase-MB (CK-MB) of 5.0 ng/mL
• C. Serum potassium of 4.5 mEq/L
• D. Blood glucose of 180 mg/dL

Correct answer: A

Rationale: A troponin level of 0.5 ng/mL is elevated, indicating myocardial damage, making it the most concerning finding in a client with a myocardial infarction (MI). Troponin is a highly specific marker for cardiac muscle damage, and elevated levels suggest ongoing injury to the heart muscle. While Creatine kinase-MB (CK-MB) is also a cardiac enzyme, troponin is more specific and sensitive for myocardial damage. Serum potassium and blood glucose levels are important parameters to monitor in MI patients, but in this scenario, the elevated troponin level takes precedence as it directly reflects cardiac injury.

2. A nurse is collecting data from a client who is receiving IV therapy and reports pain in the arm, chills, and 'not feeling well.' The nurse notes warmth, edema, induration, and red streaking on the client’s arm close to the IV insertion site. Which of the following actions should the nurse plan to take first?

• A. Obtain a specimen for culture.
• B. Apply a warm compress.
• C. Administer analgesics.
• D. Discontinue the infusion.

Correct answer: D

Rationale: Discontinuing the infusion is the first step in addressing potential complications such as phlebitis or infection. It is crucial to prevent further infusion-related damage by stopping the source of the issue. Obtaining a specimen for culture (Choice A) can be considered later to identify the specific microorganism causing the infection. Applying a warm compress (Choice B) or administering analgesics (Choice C) may provide comfort but do not address the underlying issue of infection or phlebitis, which requires immediate intervention by discontinuing the infusion.

3. Following major abdominal surgery, a client postoperative refuses to use the incentive spirometer. What is the nurse's priority?

• A. Determine the reason why the client is refusing to use the incentive spirometer.
• B. Insist that the client use the incentive spirometer.
• C. Administer pain medication to help the client use the spirometer.
• D. Document the refusal in the client’s medical record.

Correct answer: A

Rationale: The nurse's priority in this situation is to determine the reason why the client is refusing to use the incentive spirometer. By understanding the client's concerns or barriers, the nurse can address them effectively and encourage the client to use the spirometer for optimal postoperative recovery. Insisting that the client use the spirometer without understanding the underlying reason may lead to further resistance. Administering pain medication as a solution does not address the root cause of refusal and may not be necessary if pain is not the primary reason for refusal. Documenting the refusal is important but should come after understanding the client's perspective to provide appropriate care and follow-up.

4. Which serum blood finding in diabetic ketoacidosis alerts the nurse that immediate action is required?

• A. pH below 7.3
• B. Potassium of 5.0
• C. HCT of 60
• D. PaO2 of 79%

Correct answer: C

Rationale: A hematocrit (HCT) of 60 indicates severe dehydration, a critical condition in diabetic ketoacidosis that requires immediate intervention. Severe dehydration can lead to hypovolemic shock and organ failure. While a low pH below 7.3 is indicative of acidosis, it may not require immediate action compared to severe dehydration. A potassium level of 5.0 is within the normal range and not a critical finding in this scenario. PaO2 of 79% reflects oxygenation status, which is important but not the most critical finding requiring immediate action in diabetic ketoacidosis.

5. A client with a diagnosis of deep vein thrombosis (DVT) is receiving anticoagulation therapy. Which of the following laboratory values would be most concerning?

• A. INR of 1.5
• B. Platelet count of 200,000/mm³
• C. Hemoglobin of 12 g/dL
• D. aPTT of 70 seconds

Correct answer: A

Rationale: An INR of 1.5 is below the therapeutic range for clients on anticoagulation therapy, increasing the risk of clot formation. A lower INR indicates inadequate anticoagulation, which can lead to thrombus formation and potential complications such as progression or recurrence of deep vein thrombosis. Platelet count, hemoglobin level, and aPTT are important parameters to monitor in a client with DVT. However, in this scenario, the most concerning value is the suboptimal INR level because it signifies a lack of anticoagulation effectiveness and poses a higher risk of clotting issues.

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