Nursing Elites

1. The healthcare provider should observe most closely for drug toxicity when a client receives a medication that has which characteristic?

• A. Low bioavailability
• B. Rapid onset of action
• C. Short half-life
• D. Narrow therapeutic index

Correct answer: D

Rationale: The correct answer is D, narrow therapeutic index. Narrow therapeutic index (NTI) drugs are defined as those drugs where small differences in dose or blood concentration may lead to serious therapeutic failures or adverse drug reactions. Choices A, B, and C are not directly related to the risk of drug toxicity. Low bioavailability (Choice A) refers to the amount of drug that enters the bloodstream unchanged after administration. Rapid onset of action (Choice B) and short half-life (Choice C) are characteristics related to drug effectiveness and metabolism but do not necessarily indicate a higher risk of drug toxicity.

2. The nurse is planning care for a client admitted with a diagnosis of pheochromocytoma. Which intervention has the highest priority for inclusion in this client's plan of care?

• A. Record urine output every hour
• B. Monitor blood pressure frequently
• C. Evaluate neurological status
• D. Maintain seizure precautions

Correct answer: B

Rationale: Monitoring blood pressure frequently is the highest priority intervention for a client diagnosed with pheochromocytoma. This rare tumor can lead to life-threatening hypertension due to catecholamine secretion. Evaluating neurological status and maintaining seizure precautions are important but are not the highest priority in this case. Recording urine output, though essential for overall assessment, is not the priority compared to monitoring blood pressure in a client with pheochromocytoma.

3. A nurse is caring for a client with an indwelling urinary catheter. Which intervention is most important to include in the client's plan of care?

• A. Ensure the catheter is below the level of the bladder at all times.
• B. Change the catheter bag every 48 hours.
• C. Cleanse the perineal area daily.
• D. Perform catheter care daily.

Correct answer: A

Rationale: The correct answer is to ensure the catheter is always below the level of the bladder. Placing the catheter tubing above the level of the bladder can lead to backflow of urine, causing urinary tract infections. Changing the catheter bag every 48 hours is important but not as crucial as maintaining proper catheter positioning. Cleaning the perineal area daily and performing catheter care are essential tasks but do not directly address the prevention of complications associated with catheter placement.

4. The nurse is assessing a client with a small bowel obstruction who was hospitalized 24 hours ago. Which assessment finding should the nurse report immediately to the healthcare provider?

• A. Hypoactive bowel sounds in the lower quadrant.
• B. Rebound tenderness in the upper quadrants.
• C. Tympany with percussion of the abdomen.
• D. Light-colored gastric aspirate via the nasogastric tube.

Correct answer: B

Rationale: Rebound tenderness in the upper quadrants may indicate peritonitis, which requires prompt medical attention. Hypoactive bowel sounds are expected in small bowel obstruction and would not be a priority over signs of peritonitis. Tympany with percussion is a normal finding and not a cause for immediate concern. Light-colored gastric aspirate could indicate various issues but is not as urgent as peritonitis.

5. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who 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 most concerning in a client with COPD as it indicates metabolic acidosis, requiring immediate intervention. In COPD, patients often retain carbon dioxide, leading to respiratory acidosis. A low serum bicarbonate level suggests that the body is compensating for this respiratory acidosis by increasing bicarbonate levels to maintain balance. Therefore, a low serum bicarbonate level in this scenario is alarming. Choices A, B, and D are within normal ranges and not directly related to the acid-base imbalance seen in COPD.

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