Nursing Elites

1. How often should rotation sites for insulin injection be separated from one another?

• A. Every third day.
• B. Every week.
• C. Every 2-3 weeks.
• D. Every 2-4 weeks.

Correct answer: C

Rationale: Insulin injection sites should be rotated every 2-3 weeks to prevent lipodystrophy and ensure proper insulin absorption. Option A ('Every third day') is too frequent and does not allow enough time for the previous site to heal properly. Option B ('Every week') might not provide adequate time for the tissue to recover. Option D ('Every 2-4 weeks') could potentially lead to overuse of a single injection site, increasing the risk of lipodystrophy and inconsistent insulin absorption. Therefore, the recommended interval of every 2-3 weeks is optimal for insulin injection site rotation.

2. What is the mechanism of action of corticotropin (Acthar) when prescribed as replacement therapy for a male client who has undergone surgical removal of a pituitary tumor?

• A. It decreases cyclic adenosine monophosphate (cAMP) production and affects the metabolic rate of target organs.
• B. It interacts with plasma membrane receptors to inhibit enzymatic actions.
• C. It interacts with plasma membrane receptors to produce enzymatic actions that affect protein, fat, and carbohydrate metabolism.
• D. It regulates the threshold for water reabsorption in the kidneys.

Correct answer: C

Rationale: Corticotropin (ACTH) stimulates the adrenal cortex to secrete cortisol and other hormones, affecting protein, fat, and carbohydrate metabolism. Choice A is incorrect because corticotropin does not decrease cAMP production; instead, it stimulates enzymatic actions. Choice B is incorrect because corticotropin does not inhibit enzymatic actions but rather produces enzymatic actions. Choice D is incorrect because corticotropin's mechanism of action does not involve regulating the threshold for water reabsorption in the kidneys.

3. The client has hyperparathyroidism. Which of the following dietary instructions should the nurse provide?

• A. Increase calcium intake
• B. Limit phosphorus intake
• C. Increase fluid intake
• D. Limit vitamin D intake

Correct answer: C

Rationale: The correct answer is to 'Increase fluid intake.' This is because increasing fluid intake helps prevent kidney stones, a common complication of hyperparathyroidism. While calcium is involved in the condition, increasing calcium intake is not recommended as it can exacerbate hypercalcemia, which is commonly present in hyperparathyroidism. Limiting phosphorus intake is not directly related to managing hyperparathyroidism. Limiting vitamin D intake is also not typically necessary in managing hyperparathyroidism, as it is usually a calcium and PTH-related issue.

4. A client with diabetes mellitus is experiencing polyuria, polydipsia, and polyphagia. Which of the following actions should the nurse take?

• A. Administer insulin
• B. Encourage increased fluid intake
• C. Monitor for signs of dehydration
• D. Check blood glucose levels

Correct answer: D

Rationale: Polyuria, polydipsia, and polyphagia are classic signs of hyperglycemia, indicating high blood glucose levels. The priority action for the nurse is to check the client's blood glucose levels to assess the severity of hyperglycemia and determine the need for appropriate interventions. Administering insulin (Choice A) may be necessary based on the blood glucose levels but should only be done after confirming the current status. Encouraging increased fluid intake (Choice B) may exacerbate the symptoms by further diluting the blood glucose concentration. While monitoring for signs of dehydration (Choice C) is important in the long term, the immediate action should focus on determining the blood glucose levels first.

5. The client has syndrome of inappropriate antidiuretic hormone (SIADH). Which intervention is most appropriate?

• A. Encourage increased fluid intake
• B. Administer hypertonic saline
• C. Monitor for signs of dehydration
• D. Restrict oral fluids

Correct answer: D

Rationale: The correct intervention for a client with syndrome of inappropriate antidiuretic hormone (SIADH) is to restrict oral fluids. This is because SIADH leads to excessive production of antidiuretic hormone, causing water retention and dilutional hyponatremia. By restricting oral fluids, the nurse helps prevent further water retention and imbalance of electrolytes. Encouraging increased fluid intake (Choice A) would exacerbate the condition by further increasing fluid retention. Administering hypertonic saline (Choice B) is not the primary treatment for SIADH, as it may worsen the imbalance. Monitoring for signs of dehydration (Choice C) is not appropriate since SIADH leads to water retention, not dehydration.

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