Correct Answer: B

Rationale: The correct answer is B: Hypervigilance. Individuals with PTSD often experience hypervigilance, which involves being overly alert, easily startled, and constantly scanning their environment for potential threats. This heightened state of awareness is a common response to the trauma experienced. Choices A, C, and D are incorrect. Hyperactivity is not typically a primary manifestation of PTSD; restlessness may occur but is not as characteristic as hypervigilance, and although avoidance of social situations can be a symptom of PTSD, hypervigilance is more directly associated with the disorder.

Correct Answer: B

Rationale: The most appropriate response when a client with chronic kidney disease asks about fluid restrictions is to inform them that limiting fluid intake may be necessary to prevent fluid overload. This is crucial in managing the condition and preventing complications such as edema and electrolyte imbalances. Choice A is incorrect as fluid restrictions are commonly advised for clients with chronic kidney disease. Choice C is partially correct as fluid restrictions are indeed based on lab results and daily weights, but the primary goal is to prevent fluid overload. Choice D is incorrect because fluid restrictions are not limited to just during dialysis; they are often recommended throughout the day to manage the condition.

Correct Answer: C

Rationale: When caring for a client diagnosed with delirium, the most important condition for the nurse to investigate is prescription drug intoxication. Delirium can be caused by various factors, and prescription drug intoxication is a common reversible cause. Investigating this factor first is crucial to identify and address the underlying cause promptly. Choices A, B, and D are less likely to be directly associated with delirium compared to prescription drug intoxication. While cancer, impaired hearing, and heart failure can have their complications and effects, they are not typically the primary causes of delirium in a client.

Correct Answer: B

Rationale: The correct action the nurse should take when caring for a client in Buck's traction is to ensure the weights hang freely. This is essential to maintain proper alignment and ensure the effectiveness of Buck's traction. Removing the weights (Choice A) would be incorrect and could compromise the treatment. Increasing the traction force (Choice C) can lead to excessive pressure and potential harm to the client. Loosening the ropes (Choice D) would also be inappropriate as it can disrupt the traction's effectiveness and alignment.

Correct Answer: A

Rationale: The correct answer is A: A history of gastroesophageal reflux disease. Clients with gastroesophageal reflux disease have a higher risk of aspiration during tube feeding due to the potential for reflux of stomach contents into the lungs. This increases the risk of aspiration pneumonia. Choices B, C, and D are incorrect. High osmolarity formulas may cause diarrhea but do not directly increase the risk of aspiration. Sitting in a high-Fowler's position actually reduces the risk of aspiration by promoting proper digestion and reducing the chance of regurgitation. A residual of 65 mL 1 hour postprandial is within an acceptable range and does not directly indicate a risk for aspiration.