Correct Answer: A

Rationale: In this case, the nurse should implement the intervention of administering regular insulin per sliding scale. High blood sugar levels, as indicated by a reading of 325 mg/dL, require insulin administration to prevent complications such as hyperglycemia. Canceling the client's dinner tray (choice B) would not address the immediate need to lower the blood sugar level. Giving the client orange juice (choice C) might further increase the blood sugar level as it contains sugar. Administering the next scheduled dose of metformin (choice D) is not appropriate as metformin is not typically used for acute management of high blood sugar levels.

Correct Answer: A

Rationale: The correct answer is A: Sedimentation rate. Sedimentation rate, Anti-CCP antibodies, and C-reactive protein are commonly used laboratory tests to indicate inflammation and help diagnose rheumatoid arthritis. An elevated sedimentation rate is a nonspecific indicator of inflammation in the body, which is often seen in RA. White blood cell count is not specific for RA and is not typically significant in the diagnosis. Anti-CCP antibodies are specific to RA and are useful in confirming the diagnosis. Activated Clotting Time is not relevant to the diagnosis of rheumatoid arthritis as it is not specific to this condition.

Correct Answer: A

Rationale: In infants, restlessness can be a significant indicator of discomfort or pain, necessitating appropriate pain management. While choices B, C, and D can also be associated with pain, restlessness is a more general and reliable indicator in this scenario. A clenched fist might indicate pain or distress, but it is not as specific as restlessness in assessing pain in infants. Increased pulse rate and respiratory rate can be influenced by various factors other than pain, making them less reliable indicators of pain in this context.

Correct Answer: D

Rationale: In this scenario, the best action for the nurse manager to take is to ask the nurses to meet with the nurse-manager to identify ways of working together. This approach promotes open communication, facilitates understanding of both perspectives, and encourages collaborative problem-solving. Option A is not ideal as involving a mental health consultant may be premature for this situation. Option B, although helpful in listening to both parties, does not directly address the need for collaboration. Option C focuses on the senior nurse's mentoring strategies only, rather than addressing the conflict between the two nurses.

Correct Answer: C

Rationale: In this scenario, the nurse should prioritize ensuring safety. When a client becomes aggressive and threatens to leave, calling security is crucial to help maintain a safe environment for both staff and the client. Placing the client in seclusion (choice A) is not the appropriate initial action as it may escalate the situation further. Administering lorazepam (choice B) should not be the first response to behavioral issues. Asking about other pain management methods (choice D) is not the immediate priority when safety is at risk.