Nursing Elites

1. Prolonged exposure to high concentrations of supplemental oxygen over several days can cause which pathophysiological effect?

• A. Reduced cardiac output
• B. Disrupted surfactant production
• C. Hyperactivity of alveoli
• D. Increased oxygen carrying capacity

Correct answer: B

Rationale: Corrected Rationale: Prolonged exposure to high oxygen concentrations can disrupt the production of surfactant in the lungs, leading to atelectasis and other lung complications. Surfactant is essential for maintaining lung compliance and preventing alveolar collapse. Reduced cardiac output (Choice A) is not directly associated with prolonged oxygen exposure. Hyperactivity of alveoli (Choice C) is not a recognized consequence of high oxygen levels. Increased oxygen carrying capacity (Choice D) is not a pathophysiological effect of prolonged high oxygen exposure.

2. A client with peripheral artery disease reports pain while walking. What intervention should the nurse recommend?

• A. Encourage the client to increase physical activity.
• B. Instruct the client to take rest breaks during walking.
• C. Apply warm compresses to the legs to improve circulation.
• D. Massage the affected leg to relieve the pain.

Correct answer: B

Rationale: Clients with peripheral artery disease often experience claudication (leg pain during walking) due to decreased blood flow. Encouraging rest breaks during walking helps to manage pain and improve circulation. Rest breaks allow the muscles to recover from ischemia caused by inadequate blood supply. Increasing physical activity without breaks may worsen the symptoms. Applying warm compresses can potentially lead to burns or skin damage in individuals with compromised circulation. Massaging the affected leg is contraindicated in peripheral artery disease as it can further compromise blood flow.

3. A client receiving continuous ambulatory peritoneal dialysis (CAPD) has lost weight and exhibits increasing edema. What should the nurse prioritize?

• A. Evaluate the patency of the arteriovenous (AV) graft.
• B. Instruct the client to continue a fluid-restricted diet.
• C. Recommend support stockings for venous return.
• D. Monitor the client's serum albumin levels.

Correct answer: A

Rationale: In a client receiving continuous ambulatory peritoneal dialysis (CAPD) who has lost weight and exhibits increasing edema, the nurse should prioritize evaluating the patency of the arteriovenous (AV) graft. This assessment is crucial to determine if hemodialysis can be resumed, addressing the client's presenting issues effectively. Instructing the client to continue a fluid-restricted diet (choice B) may not address the underlying issue related to the CAPD. Recommending support stockings for venous return (choice C) is not directly relevant to the situation described. Monitoring the client's serum albumin levels (choice D) may be important but does not directly address the immediate concern of weight loss and increasing edema in a CAPD client.

4. A client with hyperthyroidism is admitted to the postoperative unit after a subtotal thyroidectomy. Which of the client's serum laboratory values requires intervention by the nurse?

• A. Blood glucose 90 mg/dL
• B. Sodium 138 mEq/L
• C. Total calcium 5.0 mg/dL
• D. Potassium 4.2 mEq/L

Correct answer: C

Rationale: A total calcium level of 5.0 mg/dL is critically low and indicates possible hypocalcemia, a common complication after thyroid surgery. This condition can lead to tetany and requires immediate intervention. Blood glucose within normal range, sodium, and potassium levels are not indicative of an immediate postoperative complication like hypocalcemia in this case.

5. A client with hypertension is prescribed a low-sodium diet. What is the most important instruction for the nurse to provide?

• A. Limit sodium intake to 2 grams per day.
• B. Choose fresh fruits and vegetables.
• C. Drink at least 8 glasses of water daily.
• D. Avoid processed foods and canned soups.

Correct answer: D

Rationale: The correct answer is D. Avoiding processed foods and canned soups is crucial for a client with hypertension on a low-sodium diet because these foods are typically high in sodium content. Fresh fruits and vegetables are generally healthy choices but may still contain some natural sodium. While limiting sodium intake to 2 grams per day is important, specifically avoiding processed foods and canned soups is more critical in this situation. Drinking water is essential for overall health but is not the most important instruction when focusing on reducing sodium intake.

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