Nursing Elites

1. After undergoing a subtotal thyroidectomy, a female client develops hypothyroidism. Dr. Smith prescribes levothyroxine (Levothroid), 25 mcg P.O. daily. For which condition is levothyroxine the preferred agent?

• A. Primary hypothyroidism
• B. Graves' disease
• C. Thyrotoxicosis
• D. Euthyroidism

Correct answer: A

Rationale: Levothyroxine is the preferred agent for primary hypothyroidism because it provides the necessary replacement of thyroid hormone in patients with deficient thyroid function. Choice B, Graves' disease, is an autoimmune disorder that causes hyperthyroidism and is typically treated with antithyroid medications or radioactive iodine. Choice C, thyrotoxicosis, refers to the clinical state resulting from excessive thyroid hormone action and is not typically treated with levothyroxine. Choice D, euthyroidism, describes a normal thyroid function and would not require treatment with levothyroxine.

2. A client with type 2 diabetes mellitus is taking metformin. The nurse should monitor the client for which of the following potential side effects?

• A. Lactic acidosis
• B. Hypokalemia
• C. Hyperglycemia
• D. Weight gain

Correct answer: A

Rationale: The correct answer is A: Lactic acidosis. Metformin, a common medication for type 2 diabetes mellitus, can lead to lactic acidosis, particularly in individuals with renal impairment or other predisposing factors. Monitoring for signs and symptoms of lactic acidosis, such as muscle pain, weakness, trouble breathing, dizziness, and slow or irregular heartbeat, is crucial when a client is taking metformin. Choice B, hypokalemia, is not a common side effect of metformin. Choice C, hyperglycemia, is contrary to the intended effect of metformin, which is to lower blood glucose levels. Choice D, weight gain, is not typically associated with metformin use; in fact, metformin may even contribute to weight loss in some individuals.

3. The client with type 2 DM is receiving dietary instructions from the nurse regarding the prescribed diabetic diet. The nurse determines that the client understands the instructions if the client states that:

• A. I need to skip meals if my blood glucose level is elevated.
• B. I need to eat a small meal or snack every 2 to 3 hours.
• C. I need to avoid using concentrated sweets in my diet.
• D. I need to eat a high-protein, low-carbohydrate diet.

Correct answer: C

Rationale: The correct answer is C: 'I need to avoid using concentrated sweets in my diet.' Clients with type 2 diabetes should avoid concentrated sweets as they can cause rapid spikes in blood glucose levels, which can be detrimental to their health. Option A is incorrect because skipping meals can lead to fluctuations in blood glucose levels. Option B is incorrect as it does not address the specific issue of avoiding concentrated sweets. Option D is incorrect because a high-protein, low-carbohydrate diet is not typically recommended as the primary approach for managing type 2 diabetes.

4. What is the lowest fasting plasma glucose level suggestive of a diagnosis of DM?

• A. 90 mg/dl.
• B. 115 mg/dl.
• C. 126 mg/dl.
• D. 180 mg/dl.

Correct answer: C

Rationale: A fasting plasma glucose level of 126 mg/dl or higher is diagnostic of diabetes mellitus. Choice A (90 mg/dl) is too low to indicate diabetes. Choice B (115 mg/dl) is also below the diagnostic threshold for diabetes. Choice D (180 mg/dl) is above the diagnostic threshold and would indicate uncontrolled diabetes, not the lowest level suggestive of a diagnosis.

5. Which of the following clinical findings would be most concerning in a client with hypothyroidism?

• A. Bradycardia
• B. Dry skin
• C. Constipation
• D. Depression

Correct answer: A

Rationale: Bradycardia in a client with hypothyroidism is the most concerning finding as it may indicate severe hypothyroidism, leading to decreased heart rate. Bradycardia can be a sign of myxedema coma, a life-threatening condition that requires immediate medical attention. Dry skin, constipation, and depression are common symptoms associated with hypothyroidism but are not as acutely concerning as bradycardia.

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