Correct Answer: C

Rationale: Performing frequent oral care with a tooth sponge is the most appropriate nursing measure in this scenario. This helps maintain comfort and prevent dryness in clients with nasogastric tubes. Allowing the client to melt ice chips in the mouth may not address oral care needs effectively. Providing mints to freshen the breath is not the priority when the client needs oral care. Swabbing the mouth with glycerin swabs may not be as effective as performing thorough oral care with a tooth sponge.

Correct Answer: C

Rationale: Performing frequent oral care with a tooth sponge is the most appropriate nursing measure in this scenario. This helps maintain comfort and prevent dryness in clients with nasogastric tubes. Allowing the client to melt ice chips in the mouth may not address oral care needs effectively. Providing mints to freshen the breath is not the priority when the client needs oral care. Swabbing the mouth with glycerin swabs may not be as effective as performing thorough oral care with a tooth sponge.

Correct Answer: A

Rationale: The correct answer is A: Non-steroidal anti-inflammatory drugs (NSAIDs). NSAIDs can increase the risk of bleeding in clients taking Coumadin, which is an anticoagulant medication. Avoiding NSAIDs helps prevent potentially dangerous interactions with Coumadin. Choices B, C, and D are incorrect. Cough medicines with guaifenesin, histamine blockers, and laxatives containing magnesium salts do not typically have significant interactions with Coumadin therapy. Therefore, they are not the over-the-counter medications that the client needs to avoid while on Coumadin.

Correct Answer: B

Rationale: The correct answer is B. Clients with duodenal ulcers should avoid spicy foods and alcohol as they can exacerbate symptoms and delay healing. Choice A is incorrect because while antacids may help with symptoms, they are not the primary focus of medication teaching for duodenal ulcers. Choice C is not directly related to medication teaching for duodenal ulcers unless antibiotics are specifically prescribed. Choice D is incorrect as stopping all food intake is not recommended and can lead to other complications.

Correct Answer: B

Rationale: The correct next step for the nurse is to ask the client to discuss a 'do not resuscitate' (DNR) order with her healthcare provider. While the client's wishes should be respected, it is essential to ensure proper documentation and legal protection by involving the healthcare provider in this decision-making process. Documenting the request in the medical record (Choice A) is important but should follow the discussion with the healthcare provider. Consulting the ethics committee (Choice C) may not be necessary at this stage and could delay the necessary actions. Discharging the client (Choice D) without further discussion is not appropriate and disregards the importance of addressing the client's wishes in a respectful and professional manner.