Nursing Elites

1. Which diagnostic test is used to confirm tuberculosis (TB) infection?

• A. Chest X-ray
• B. Sputum culture
• C. Skin test (Mantoux)
• D. MRI

Correct answer: C

Rationale: The Mantoux skin test, also known as the Tuberculin Skin Test (TST), is used to confirm tuberculosis (TB) infection. This test involves injecting a small amount of tuberculin protein derivative under the top layer of the skin and then evaluating the immune system's response to the protein. A positive reaction indicates exposure to the TB bacteria. Chest X-rays are used to detect abnormalities in the lungs caused by TB but are not confirmatory. Sputum culture is used to identify the presence of TB bacteria in the sputum. MRIs are not typically used as a primary diagnostic tool for TB.

2. A nurse is teaching at a community health fair about electrical fire prevention. Which of the following information should the nurse include in the teaching?

• A. Use three-pronged grounded plugs
• B. Cover extension cords with a rug
• C. Check for tingling sensations around the cord to ensure the electricity is working
• D. Remove the plug from the socket by pulling the cord

Correct answer: A

Rationale: The correct answer is A: 'Use three-pronged grounded plugs.' This is important in preventing electrical fires as it provides a grounded connection, reducing the risk of electrical malfunctions. Choice B is incorrect because covering extension cords with a rug can lead to overheating and increase the risk of fire. Choice C is also incorrect as tingling sensations around a cord indicate an electrical hazard, not proper functioning. Choice D is incorrect as pulling the cord to remove a plug can damage the cord, leading to potential electrical dangers.

3. A client post-thyroidectomy reports tingling in their lips and fingers. The nurse should identify this finding as an indication of which of the following complications?

• A. Hypokalemia
• B. Hypocalcemia
• C. Hyponatremia
• D. Hyperglycemia

Correct answer: B

Rationale: Tingling in the lips and fingers is a classic sign of hypocalcemia, which can occur as a complication following a thyroidectomy due to inadvertent damage to the parathyroid glands that regulate calcium levels. Hypokalemia (Choice A) presents with muscle weakness and cardiac issues, not tingling. Hyponatremia (Choice C) typically manifests with confusion, seizures, and muscle cramps. Hyperglycemia (Choice D) is associated with increased thirst, frequent urination, and fatigue.

4. A client has a new prescription for hydrochlorothiazide. Which of the following instructions should the nurse include?

• A. Take this medication at bedtime to prevent dizziness.
• B. Increase your intake of potassium-rich foods.
• C. Take this medication with food to prevent gastrointestinal upset.
• D. This medication can increase your blood pressure.

Correct answer: B

Rationale: The correct instruction that the nurse should include for a client prescribed hydrochlorothiazide is to increase their intake of potassium-rich foods. Hydrochlorothiazide is a diuretic that can lead to potassium depletion, so increasing potassium-rich foods helps prevent hypokalemia. Option A is incorrect because hydrochlorothiazide is usually taken in the morning to prevent diuresis at night. Option C is not necessary as hydrochlorothiazide can be taken with or without food. Option D is incorrect because hydrochlorothiazide is used to lower blood pressure, not increase it.

5. A client with diabetes mellitus is being taught by a nurse about managing blood glucose levels. Which of the following client statements indicates an understanding of the teaching?

• A. I will eat a snack if my blood glucose level is below 70 mg/dL.
• B. I will take my insulin if my blood glucose level is above 200 mg/dL.
• C. I will check my blood glucose level once a week.
• D. I will take my insulin only when I feel symptoms of hyperglycemia.

Correct answer: A

Rationale: Choice A is the correct answer because consuming a snack when the blood glucose level is below 70 mg/dL helps prevent hypoglycemia in clients with diabetes mellitus. Choice B is incorrect because taking insulin when blood glucose is high (above 200 mg/dL) helps manage hyperglycemia, not hypoglycemia. Choice C is incorrect as checking blood glucose levels once a week is insufficient for proper diabetes management, which typically requires more frequent monitoring. Choice D is incorrect because waiting for symptoms of hyperglycemia to take insulin can lead to uncontrolled blood glucose levels.

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