Nursing Elites

1. The practical nurse is preparing to administer a prescription for cefazolin (Kefzol) 600 mg IM every six hours. The available vial is labeled, 'Cefazolin (Kefzol) 1 gram,' and the instructions for reconstitution state, 'For IM use add 2 ml sterile water for injection. Total volume after reconstitution = 2.5 ml.' When reconstituted, how many milligrams are in each milliliter of solution?

• A. 400 mg/mL
• B. 500 mg/mL
• C. 450 mg/mL
• D. 350 mg/mL

Correct answer: A

Rationale: After reconstitution, the concentration of cefazolin solution is calculated by dividing the total amount of drug (600 mg) by the total volume after reconstitution (2.5 mL). This gives 600 mg / 2.5 mL = 240 mg/mL. However, the question asks for the concentration in each milliliter of solution after reconstitution, so we need to consider the final volume of 2.5 mL. Therefore, 240 mg/mL * 2.5 mL = 600 mg, which means each milliliter contains 240 mg of cefazolin. Therefore, after reconstitution, there are 400 mg of cefazolin in each milliliter of solution. Choices B, C, and D are incorrect as they do not accurately reflect the concentration after reconstitution.

2. A 4-year-old with acute lymphocytic leukemia (ALL) is receiving a chemotherapy protocol that includes methotrexate, an antimetabolite. Which information should the nurse provide the parents about caring for their child?

• A. Use sunblock or protective clothing when outdoors.
• B. Include the child in regular outings with the family.
• C. Obtain any childhood vaccinations that are not up-to-date.
• D. Use diluted commercial mouthwash for mouth care.

Correct answer: A

Rationale: The correct answer is to use sunblock or protective clothing when outdoors. Methotrexate can cause photosensitivity, making the child more prone to sunburns and skin damage. Therefore, advising the parents to protect their child's skin from direct sunlight exposure is crucial. Choice B is incorrect because exposing the child to direct sunlight without protection can worsen the photosensitivity caused by methotrexate. Choice C is incorrect as obtaining vaccinations is generally avoided during chemotherapy due to the child's compromised immune system. Choice D is incorrect as commercial mouthwash may contain alcohol, which can be irritating to the child's oral mucosa, especially during chemotherapy.

3. The client with hypertension is being taught about lifestyle changes. Which recommendation is most important to include?

• A. Increase sodium intake
• B. Engage in regular physical activity
• C. Consume a diet high in saturated fats
• D. Limit fluid intake

Correct answer: B

Rationale: Engaging in regular physical activity is crucial for managing hypertension as it helps lower blood pressure. Regular exercise can improve heart health, increase circulation, and contribute to overall well-being, all of which are beneficial for individuals with hypertension. Choice A, increasing sodium intake, is incorrect as reducing sodium is recommended for hypertension to help lower blood pressure. Choice C, consuming a diet high in saturated fats, is incorrect as a diet high in saturated fats can negatively impact blood pressure and cardiovascular health. Choice D, limiting fluid intake, is incorrect as maintaining adequate hydration is important for overall health and not directly related to hypertension management.

4. A client with asthma is prescribed a corticosteroid inhaler. What instruction should the nurse give about the inhaler?

• A. Use it only during asthma attacks
• B. Rinse the mouth after each use to prevent oral thrush
• C. It will provide immediate relief during an asthma attack
• D. Increase the dose if breathing does not improve

Correct answer: B

Rationale: The correct instruction for a client using a corticosteroid inhaler is to rinse the mouth after each use to prevent the development of oral thrush, a common side effect of these inhalers. Choice A is incorrect as corticosteroid inhalers are often used regularly as a maintenance treatment, not just during asthma attacks. Choice C is incorrect because corticosteroid inhalers provide long-term control of asthma symptoms, not immediate relief during an attack. Choice D is incorrect and potentially dangerous advice as increasing the dose without medical guidance can lead to adverse effects.

5. The nurse is monitoring a client's intravenous infusion and observes that the venipuncture site is cool to the touch, swollen, and the infusion rate is slower than the prescribed rate. What is the most likely cause of this finding?

• A. The solution's rate is too rapid
• B. The client has phlebitis
• C. The infusion site is infected
• D. The infusion is infiltrated

Correct answer: D

Rationale: The correct answer is D. An infiltrated IV occurs when fluid leaks into the surrounding tissue, causing coolness, swelling, and a slow infusion rate. Choice A is incorrect because a rapid solution rate does not typically cause these specific symptoms. Choice B, phlebitis, presents with redness, warmth, and tenderness along the vein, not coolness. Choice C, infection, usually manifests with redness, warmth, and possibly purulent drainage, not coolness and swelling.

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