Nursing Elites

1. A client is admitted with a possible myocardial infarction. Which laboratory test result is most indicative of a myocardial infarction?

• A. Serum creatine kinase (CK)
• B. Serum troponin
• C. Serum myoglobin
• D. C-reactive protein (CRP)

Correct answer: B

Rationale: Serum troponin is the most specific and sensitive indicator of myocardial infarction. Troponin levels rise within 3-4 hours after myocardial damage, peak at 10-24 hours, and remain elevated for up to 10-14 days. Creatine kinase (CK) and myoglobin can also be elevated in myocardial infarction, but troponin is more specific to cardiac muscle damage. C-reactive protein (CRP) is a marker of inflammation and is not specific for myocardial infarction.

2. The nurse and an unlicensed assistive personnel (UAP) are providing care for a client with a nasogastric tube (NGT) when the client begins to vomit. How should the nurse manage this situation?

• A. Direct the UAP to measure the emesis while the nurse irrigates the NGT
• B. Stop the NGT feed and notify the healthcare provider
• C. Increase the NGT suction pressure
• D. Elevate the head of the bed

Correct answer: A

Rationale: During vomiting in a client with an NGT, it is essential for the nurse to direct the UAP to measure the emesis to monitor the output. This helps in assessing the client's condition and response to treatment. Meanwhile, irrigating the NGT can be beneficial to relieve any obstruction that might be contributing to the vomiting. Stopping the NGT feed and notifying the healthcare provider (choice B) is important but not the immediate action needed. Increasing the NGT suction pressure (choice C) is unnecessary and can lead to complications. Elevating the head of the bed (choice D) is a general intervention to prevent aspiration but may not address the immediate issue of managing the vomiting episode and potential tube obstruction.

3. The client with chronic obstructive pulmonary disease (COPD) is receiving supplemental oxygen. Which laboratory value is most concerning?

• A. Serum sodium of 135 mEq/L
• B. Serum potassium of 4.0 mEq/L
• C. Serum bicarbonate of 18 mEq/L
• D. Serum glucose of 300 mg/dl

Correct answer: C

Rationale: A serum bicarbonate level of 18 mEq/L is concerning in a client with COPD receiving supplemental oxygen as it indicates metabolic acidosis, which can occur due to the body compensating for chronic respiratory acidosis. This condition requires immediate intervention to restore the acid-base balance. Choice A, serum sodium of 135 mEq/L, is within normal range (135-145 mEq/L) and not directly related to COPD or oxygen therapy. Choice B, serum potassium of 4.0 mEq/L, falls within the normal range (3.5-5.0 mEq/L) and is not typically affected by COPD or oxygen therapy. Choice D, serum glucose of 300 mg/dl, though elevated, is not directly related to COPD or oxygen therapy and would require management but is not the most concerning value in this scenario.

4. A client with diabetes mellitus is admitted with a blood glucose level of 640 mg/dl and is unresponsive. Which intervention should the nurse implement first?

• A. Administer 50% dextrose IV push
• B. Administer IV fluids as prescribed
• C. Check the client's blood glucose level
• D. Prepare the client for immediate dialysis

Correct answer: B

Rationale: Administering IV fluids as prescribed is the priority intervention in a client with a blood glucose level of 640 mg/dl and unresponsiveness. Severe hyperglycemia can lead to dehydration and electrolyte imbalances, and administering IV fluids can help manage hyperglycemia and prevent further complications. Administering dextrose IV push (Choice A) can exacerbate hyperglycemia in this scenario. Checking the client's blood glucose level (Choice C) is important but not the immediate priority when the client is unresponsive. Immediate dialysis (Choice D) is not indicated as the first intervention for hyperglycemia.

5. A client with cirrhosis is admitted with hepatic encephalopathy. Which clinical finding is most concerning?

• A. Confusion and altered mental status
• B. Increased abdominal girth
• C. Yellowing of the skin
• D. Peripheral edema

Correct answer: A

Rationale: Confusion and altered mental status are the most concerning clinical findings in a client with hepatic encephalopathy. These symptoms indicate worsening liver function and potential neurological complications, requiring immediate medical attention. Increased abdominal girth may suggest ascites, yellowing of the skin can indicate jaundice, and peripheral edema may be related to fluid retention, but in the context of hepatic encephalopathy, confusion and altered mental status take precedence due to the risk of rapid deterioration and the need for prompt management.

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