Correct Answer: B

Rationale: Assessing the client's gait for steadiness is the most appropriate action to ensure the safety of a client with dementia while walking. This allows the nurse to identify any issues that may increase the risk of falls or accidents. Administering PRN haloperidol or lorazepam is not indicated as the first-line approach in managing wandering behavior and can have adverse effects like increased risk of falls, confusion, or oversedation. Restraint use should be avoided whenever possible, as it can lead to physical and psychological harm to the client.

Correct Answer: A

Rationale: When assessing a patient with suspected stroke symptoms, it is crucial to check for facial drooping as it can be a sign of facial nerve weakness, which is a common indicator of stroke. While monitoring speech difficulties and evaluating arm weakness are also important assessments in stroke cases, they are secondary to facial drooping. Checking for the time of onset of symptoms is essential to determine eligibility for time-sensitive treatments like thrombolytic therapy, but when prioritizing assessments, facial drooping takes precedence.

Correct Answer: C

Rationale: The correct answer is C. After knee arthroplasty, it is essential for the client to use a front-wheeled walker when ambulating to ensure stability and prevent falls. Sharing this information with the assistive personnel (AP) is crucial for the client's safety and proper rehabilitation. Choices A, B, and D are incorrect because the roommate's independence, the client's footwear over stockings, and the timing of pain medication administration are not directly related to the safe ambulation of a client post-knee arthroplasty.

Correct Answer: B

Rationale: Hypervigilance is a common manifestation of PTSD characterized by heightened alertness and fear of danger. This heightened state of awareness can lead to irritability, difficulty concentrating, and sleep disturbances. Choices A, C, and D are incorrect. Hyperactivity is not typically associated with PTSD; restlessness may be present but is not the primary manifestation, and avoidance of social situations is more commonly seen in conditions like social anxiety disorder rather than PTSD.

Correct Answer: A

Rationale: Correct answer: To assess a patient with potential diabetic ketoacidosis (DKA), healthcare providers should monitor blood glucose and check for ketones in the urine. Elevated blood glucose levels and the presence of ketones in urine are indicative of DKA. Choice B is incorrect because administering insulin and providing fluids are treatments for DKA rather than assessment measures. Choice C is incorrect as administering potassium and checking for electrolyte imbalance are interventions related to managing DKA complications, not initial assessment. Choice D is incorrect because administering sodium bicarbonate and monitoring urine output are not primary assessment actions for DKA.