Nursing Elites

1. A client with chronic obstructive pulmonary disease (COPD) is admitted with an exacerbation. Which laboratory value is most concerning?

• A. Serum potassium of 6.5 mEq/L
• B. Serum bicarbonate of 18 mEq/L
• C. Serum glucose of 350 mg/dl
• D. Serum sodium of 135 mEq/L

Correct answer: A

Rationale: A serum potassium level of 6.5 mEq/L is concerning in a client with COPD exacerbation as it may lead to life-threatening arrhythmias, requiring immediate intervention. Hyperkalemia can cause cardiac arrhythmias, which pose a significant risk to the patient's life. Options B, C, and D are not typically associated with immediate life-threatening risks in the context of a COPD exacerbation.

2. A healthcare provider is assessing a client with a history of hypertension who is currently taking a diuretic. Which assessment finding is most important to report to the healthcare provider?

• A. Potassium level of 3.2 mEq/L
• B. Blood pressure of 148/90 mmHg
• C. Pulse rate of 62 beats per minute
• D. Blood glucose level of 130 mg/dl

Correct answer: A

Rationale: A potassium level of 3.2 mEq/L is low and places the client at risk for cardiac arrhythmias, requiring immediate intervention. Hypokalemia can result from diuretic use and can lead to serious complications such as irregular heart rhythms. Monitoring and correcting potassium levels are crucial in preventing adverse cardiac events. The other options, though important, do not pose an immediate life-threatening risk compared to the low potassium level.

3. In caring for a client receiving the aminoglycoside antibiotic gentamicin, what diagnostic test should the nurse prioritize monitoring?

• A. Urinalysis
• B. Serum creatinine
• C. Serum osmolarity
• D. Liver enzymes

Correct answer: B

Rationale: The correct answer is B: Serum creatinine. Aminoglycosides, such as gentamicin, are known to cause nephrotoxicity, which can lead to kidney damage. Monitoring serum creatinine levels is crucial in assessing renal function and detecting any potential kidney problems early. Choices A, C, and D are incorrect because urinalysis primarily assesses urine composition, serum osmolarity measures the concentration of solutes in the blood, and liver enzymes are not directly impacted by aminoglycoside antibiotics like gentamicin.

4. A client with rheumatoid arthritis is prescribed methotrexate. Which assessment finding requires immediate intervention?

• A. Fever of 100.4°F
• B. Positive Chvostek's sign
• C. Increased joint pain
• D. Swelling in the joints

Correct answer: B

Rationale: A positive Chvostek's sign indicates hypocalcemia, which requires immediate intervention as it can lead to life-threatening complications. Fever, increased joint pain, and swelling in the joints are common symptoms in clients with rheumatoid arthritis but do not require immediate intervention like addressing hypocalcemia.

5. In a client with liver cirrhosis admitted with ascites and jaundice, which laboratory value is most concerning to the nurse?

• A. Serum albumin of 3.0 g/dl
• B. Bilirubin of 3.0 mg/dl
• C. Ammonia level of 80 mcg/dl
• D. Prothrombin time of 18 seconds

Correct answer: C

Rationale: An elevated ammonia level of 80 mcg/dl is most concerning in a client with liver cirrhosis because it may indicate hepatic encephalopathy, a serious complication. Serum albumin, though low, is expected in cirrhosis and contributes to ascites. Bilirubin elevation is common in liver disease but may not be the most concerning in this case. Prothrombin time is typically prolonged in liver disease but may not be as acute as an elevated ammonia level suggesting hepatic encephalopathy.

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