Nursing Elites

1. Oxygen via nasal cannula has been prescribed for a client with emphysema. The nurse checks the physician’s orders to ensure that the prescribed flow is not greater than:

• A. 1 L/min
• B. 3 L/min
• C. 4 L/min
• D. 6 L/min

Correct answer: B

Rationale: The correct answer is B, 3 L/min. Clients with emphysema typically receive oxygen at a flow rate of 1 to 2 L/min, with a maximum of 3 L/min. Higher flow rates can lead to oxygen toxicity in these clients, so it's crucial to adhere to the prescribed limits. Choice A (1 L/min) is too low and may not provide adequate oxygenation for the client. Choices C (4 L/min) and D (6 L/min) exceed the recommended flow rates for clients with emphysema and can increase the risk of oxygen toxicity.

2. The nurse is caring for five clients on the medical-surgical unit. Which clients would the nurse consider to be at risk for post-renal acute kidney injury (AKI)? (Select all that apply.)

• A. Man with prostate cancer
• B. Woman with blood clots in the urinary tract
• C. Client with ureterolithiasis
• D. All of the above

Correct answer: D

Rationale: Post-renal acute kidney injury (AKI) occurs due to urine flow obstruction, which can result from conditions such as prostate cancer, blood clots in the urinary tract, and ureterolithiasis (kidney stones). Severe burns would lead to pre-renal AKI by reducing blood flow to the kidneys. Lupus would cause intrarenal AKI by affecting the kidney tissue directly. Therefore, options A, B, and C are correct choices for clients at risk for post-renal AKI, making option D the correct answer.

3. Following the diagnosis of angina pectoris, a client reports being unable to walk up two flights of stairs without pain. Which of the following measures would most likely help the client prevent this problem?

• A. Climb the stairs early in the day.
• B. Rest for at least an hour before climbing the stairs.
• C. Take a nitroglycerin tablet before climbing the stairs.
• D. Lie down after climbing the stairs.

Correct answer: C

Rationale: The correct answer is to take a nitroglycerin tablet before climbing the stairs. Nitroglycerin helps prevent angina by dilating the coronary arteries, which increases blood flow to the heart. This medication can help reduce the chest pain and discomfort experienced during physical exertion. Climing the stairs early in the day (Choice A) does not address the underlying issue of inadequate blood flow to the heart. Resting for at least an hour before climbing the stairs (Choice B) may not be as effective in preventing angina as taking nitroglycerin. Lying down after climbing the stairs (Choice D) does not offer a preventive measure for angina; it is more focused on post-activity rest rather than prevention.

4. Upon arrival of a client transferred to the surgical unit, what should the nurse plan to do first?

• A. Assess the patency of the airway
• B. Check tubes and drains for patency
• C. Check the dressing for bleeding
• D. Assess the vital signs to compare them with preoperative measurements

Correct answer: A

Rationale: The initial action for the nurse upon the arrival of a client to the surgical unit is to assess the patency of the airway. This step takes priority to ensure that the client has a clear airway for adequate breathing. Checking tubes and drains for patency, inspecting the dressing for bleeding, and assessing vital signs to compare with preoperative measurements are important subsequent steps in the assessment process. However, ensuring the airway is patent is the immediate priority to maintain the client's respiratory function and overall well-being.

5. The patient has a heart rate of 98 beats per minute and a blood pressure of 82/58 mm Hg, is lethargic, complaining of muscle weakness, and has had gastroenteritis for several days. Based on these findings, which sodium value would the nurse expect?

• A. 126 mEq/L
• B. 140 mEq/L
• C. 145 mEq/L
• D. 158 mEq/L

Correct answer: A

Rationale: The patient's presentation of tachycardia, hypotension, lethargy, muscle weakness, and gastroenteritis suggests hyponatremia. Hyponatremia is characterized by a serum sodium level below the normal range of 135-145 mEq/L. A serum sodium level of 126 mEq/L falls significantly below this range, indicating hyponatremia. Choice B (140 mEq/L) and Choice C (145 mEq/L) are within the normal range for serum sodium levels and would not explain the patient's symptoms. Choice D (158 mEq/L) is above the normal range and would indicate hypernatremia, which is not consistent with the patient's presentation.

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