Correct Answer: D

Rationale: Placing the client's left arm on a pillow while they are sitting helps prevent shoulder displacement and provides support for the limb post-stroke. This positioning is important to maintain proper alignment and prevent complications. Choices A, B, and C are incorrect because placing food on the left side of the mouth, providing total assistance with ADLs, and maintaining the client on bed rest do not directly address the specific needs related to unilateral paralysis and dysphagia post right hemispheric stroke.

Correct Answer: B

Rationale: The correct action to prevent an air embolism in a client with a central venous catheter is to have the client perform the Valsalva maneuver while the catheter is removed. This maneuver helps to close the airway and prevent air from entering the bloodstream. Keeping the catheter clamped at all times (Choice A) is not necessary and may lead to clot formation. Using a non-coring needle (Choice C) is important for accessing the catheter but does not specifically prevent air embolism. Flushing the catheter with 0.9% sodium chloride (Choice D) helps maintain patency but does not directly prevent air embolism.

Correct Answer: D

Rationale: The correct answer is to keep the client's head of the bed elevated to 45 degrees. This position helps prevent aspiration in clients with a nasogastric tube for gastric decompression by reducing the risk of reflux and promoting proper drainage. Choice A is incorrect because checking for bowel sounds is not directly related to the care of a nasogastric tube. Choice B is incorrect as flushing the NG tube every 24 hours is not a standard nursing practice and may lead to complications. Choice C is incorrect because providing sips of water may interfere with the purpose of gastric decompression, which is to keep the stomach empty.

Correct Answer: B

Rationale: Administering flumazenil is the priority to reverse the effects of diazepam overdose. Monitoring the IV site for thrombophlebitis (choice A) is important but not the next immediate action. Evaluating the client for further suicidal behavior (choice C) is important but not the priority at this moment. Initiating seizure precautions (choice D) is not the priority action in this scenario.

Correct Answer: D

Rationale: A WBC count of 15,000/mm3 is elevated, which may indicate infection, a common concern postoperatively. An elevated WBC count suggests the body is fighting an infection, and prompt reporting to the provider is essential for further evaluation and treatment. Serosanguineous drainage on the surgical dressing is expected in the immediate postoperative period, respiratory rate of 16/min is within the normal range, and a heart rate of 90/min is also within an acceptable range postoperatively. Therefore, these findings do not raise immediate concerns that necessitate reporting to the provider.