Correct Answer: A

Rationale: The correct answer is A: Stridor. Stridor indicates bronchospasm, a serious reaction that can compromise the client's airway. Immediate intervention is crucial to prevent further respiratory distress. Nausea, headache, and pruritus are potential side effects of ceftriaxone but are not as immediately life-threatening as airway compromise indicated by stridor.

Correct Answer: D

Rationale: The best client for the charge nurse to assign to a practical nurse (PN) is an older client post-stroke who is aphasic with right-sided hemiplegia. This client is stable and suitable for care by a PN under supervision. Choices A, B, and C present clients with more complex and acute conditions that would require a higher level of nursing expertise and intervention.

Correct Answer: D

Rationale: The best initial response by the nurse should be to ask the client to describe the changes that have occurred. This open-ended question allows the nurse to gather valuable information directly from the client, aiding in assessing the situation accurately and formulating an appropriate care plan. Choice A is incorrect as assuming muscle weakness is an expected occurrence with aging without further assessment may overlook potential underlying issues. Choice B is premature as it jumps straight to physical examination without first gathering subjective data. Choice C is unnecessary at this point as reviewing diagnostic test results should come after initial assessment and data collection from the client.

Correct Answer: A

Rationale: A serum creatinine level of 4.5 mg/dL indicates severe renal impairment, which requires immediate attention before administering ciprofloxacin. Elevated serum creatinine levels suggest decreased kidney function, and giving ciprofloxacin can further harm the kidneys. Monitoring and addressing renal function are crucial to prevent worsening of renal impairment and potential drug toxicity. The temperature, blood pressure, and heart rate are important parameters to assess, but in this scenario, the priority is to address the severe renal impairment before proceeding with ciprofloxacin administration.

Correct Answer: A

Rationale: After an open reduction of the tibia, bleeding on the cast can be a concern. Outlining the area with ink and monitoring it every 15 minutes is the appropriate action to assess if the bleeding is worsening, indicating the need for further intervention. This action allows for close observation without disturbing the cast. Choice B is incorrect because while notifying the healthcare provider is important, immediate action is not always necessary if the bleeding is not severe. Choice C is incorrect because applying a new cast is not the standard intervention for bleeding on a cast. Choice D is incorrect because elevating the limb may not address the underlying cause of bleeding and may not be the most appropriate action at this time.