Correct Answer: B

Rationale: Administering 100% oxygen before and after suctioning is crucial to prevent hypoxia, which can occur during tracheal suctioning. Hypoxia can lead to serious complications, making the provision of oxygen essential in maintaining adequate oxygenation levels for the patient undergoing tracheal suctioning. Choice A is incorrect because using a water-soluble lubricant is not directly related to the essential nursing action during tracheal suctioning. Choice C is incorrect as ensuring that the suction catheter is open during insertion is a basic requirement and not the essential action for oxygenation. Choice D is incorrect because assisting the client to assume a semi-Fowler's position is beneficial for comfort and airway alignment but is not as crucial as administering oxygen to prevent hypoxia.

Correct Answer: B

Rationale: In this situation, the nurse should notify the healthcare provider. The healthcare provider needs to be informed to review the legal documents provided by the patient's daughter, such as the durable power of attorney and living will, which specify the patient's wishes regarding life-saving measures. The healthcare provider will be responsible for making the appropriate decision based on the legal documents and the patient's current condition. Referring to the risk manager (choice A) is not necessary as the issue at hand pertains to the patient's medical care. Discontinuing the ventilator (choice C) without healthcare provider input could go against the patient's wishes and legal documents. Reviewing the medical record (choice D) may not provide immediate guidance on the current situation and the patient's preferences regarding life-saving measures.

Correct Answer: D

Rationale: Direct observation of the client performing the skill is the most effective method to assess the client's ability to independently change the dressing. This allows the healthcare provider to evaluate the client's technique, understanding, and readiness to perform the task at home. Choices A, B, and C are not as reliable as directly observing the client performing the dressing change. Determining the client's feelings may not accurately reflect their ability, asking the client to write about the procedure may not demonstrate their practical skills, and having a family member evaluate might not provide an accurate assessment of the client's ability.

Correct Answer: A

Rationale: The correct instruction for the nurse to provide is to advise the client to decrease intake of fluids after the evening meal. By reducing fluid intake before bedtime, the client can minimize the need to void during the night, which can help improve sleep patterns affected by nocturia. Choices B, C, and D are incorrect. Drinking cranberry juice or warm decaffeinated beverage at bedtime may increase fluid intake, exacerbating the nocturia issue. Consulting the healthcare provider about a sleeping pill should not be the first intervention, as it is important to try non-pharmacological approaches first.

Correct Answer: A

Rationale: Adolescents are particularly influenced by peers, so associating with non-smokers may help the student quit smoking. By being surrounded by non-smokers, the student is less likely to feel pressured to smoke and may be encouraged to adopt healthier behaviors. This intervention leverages the power of social influence to support smoking cessation efforts and create a more conducive environment for the student to quit smoking. Choices B, C, and D do not address the social aspect of smoking behavior and the influence of peers on smoking habits, making them less effective interventions in this case.