Nursing Elites

1. A male client with a tentative diagnosis of hyperosmolar hyperglycemic nonketotic syndrome (HHNS) has a history of type 2 diabetes that is being controlled with an oral diabetic agent, tolazamide (Tolinase). Which of the following is the most important laboratory test for confirming this disorder?

• A. Serum potassium level
• B. Serum sodium level
• C. Arterial blood gas (ABG) values
• D. Serum osmolarity

Correct answer: D

Rationale: Serum osmolarity is the most important laboratory test for confirming hyperosmolar hyperglycemic nonketotic syndrome (HHNS). HHNS is characterized by severe hyperglycemia and dehydration without ketoacidosis. Elevated serum osmolarity indicates increased solute concentration in the blood, which is a hallmark of HHNS. Serum potassium level (Choice A) is important in conditions like diabetic ketoacidosis rather than HHNS. Serum sodium level (Choice B) may be affected in HHNS but is not the primary test for confirming the disorder. Arterial blood gas (ABG) values (Choice C) are more useful in assessing acid-base status, which is not the primary concern in HHNS.

2. A client with DM is scheduled for surgery. The nurse should plan to:

• A. Monitor the client's blood glucose level closely during the perioperative period.
• B. Give the client a regular diet as ordered.
• C. Have the client stop taking insulin 48 hours before surgery.
• D. Hold the client's insulin on the morning of surgery.

Correct answer: A

Rationale: The correct answer is to monitor the client's blood glucose level closely during the perioperative period. For a client with diabetes mellitus (DM) scheduled for surgery, it is essential to closely monitor blood glucose levels to prevent hypo- or hyperglycemia. Choice B is incorrect because giving the client a regular diet as ordered may not address the specific needs related to managing blood glucose levels in the perioperative period. Choice C is incorrect as abruptly stopping insulin 48 hours before surgery can lead to uncontrolled blood sugar levels, which is not recommended. Choice D is incorrect because holding the client's insulin on the morning of surgery can also disrupt blood sugar control, potentially leading to complications during the perioperative period.

3. The client is receiving dietary instructions for hypoparathyroidism. Which of the following dietary recommendations is appropriate?

• A. Increase intake of dairy products and green leafy vegetables
• B. Avoid foods high in calcium
• C. Consume a high-sodium diet
• D. Limit fluid intake to prevent fluid overload

Correct answer: A

Rationale: For clients with hypoparathyroidism, the appropriate dietary recommendation is to increase intake of calcium-rich foods like dairy products and green leafy vegetables to help manage hypocalcemia. This is because hypoparathyroidism leads to low levels of calcium in the blood, so increasing calcium intake through diet is essential. Choices B, C, and D are incorrect. Avoiding foods high in calcium (choice B) would exacerbate the hypocalcemia. Consuming a high-sodium diet (choice C) is not necessary for managing hypoparathyroidism. Limiting fluid intake (choice D) is not directly related to the dietary management of hypoparathyroidism.

4. A client with hyperthyroidism is receiving radioactive iodine therapy. The nurse should monitor for which of the following side effects?

• A. Hypothyroidism
• B. Hyperkalemia
• C. Hyponatremia
• D. Hypercalcemia

Correct answer: A

Rationale: The correct answer is A: Hypothyroidism. Radioactive iodine therapy is used to treat hyperthyroidism by destroying thyroid tissue and reducing hormone production. This can lead to an underactive thyroid, resulting in hypothyroidism. Hyperkalemia (choice B) is an elevated potassium level, usually not associated with radioactive iodine therapy. Hyponatremia (choice C) is a low sodium level, which is also not a common side effect of this therapy. Hypercalcemia (choice D) is an elevated calcium level, unrelated to radioactive iodine therapy for hyperthyroidism.

5. A client with diabetes mellitus visits a health care clinic. The client's diabetes was previously well controlled with glyburide (Diabeta), 5 mg PO daily, but recently the fasting blood glucose has been running 180-200 mg/dl. Which medication, if added to the client's regimen, may have contributed to the hyperglycemia?

• A. Prednisone (Deltasone)
• B. Atenolol (Tenormin)
• C. Phenelzine (Nardil)
• D. Allopurinol (Zyloprim)

Correct answer: A

Rationale: Prednisone, a corticosteroid, can increase blood glucose levels by promoting gluconeogenesis and decreasing glucose uptake by cells. This medication can lead to hyperglycemia in patients, especially those with diabetes mellitus. Atenolol (Tenormin) is a beta-blocker and is not known to significantly affect blood glucose levels. Phenelzine (Nardil) is a monoamine oxidase inhibitor used to treat depression and anxiety disorders; it does not typically impact blood glucose levels. Allopurinol (Zyloprim) is a xanthine oxidase inhibitor used to manage gout and does not interfere with blood glucose regulation.

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