Correct Answer: C

Rationale: The most important assessment to perform for a client on a methadone maintenance program is to evaluate the client's respiratory status. Methadone can cause respiratory depression as a side effect, making it crucial to monitor the client's breathing to prevent potential complications. Monitoring for signs of withdrawal (choice A) is important but not the most critical in this scenario. Assessing for signs of methadone toxicity (choice B) is relevant, but respiratory status takes precedence due to the risk of respiratory depression. Checking the client's blood pressure regularly (choice D) is important for overall assessment but is not as crucial as monitoring respiratory status in this case.

Correct Answer: B

Rationale: During a manic episode, individuals with bipolar disorder may exhibit excessive energy, impulsivity, and disorganized behavior. Providing a structured environment with routine activities is the most appropriate nursing intervention. This approach can help regulate the client's behavior, reduce impulsivity, and prevent engaging in potentially harmful activities. Encouraging group activities (Choice A) may exacerbate the client's symptoms due to overstimulation. Limiting physical activity (Choice C) may not address the need for structure and routine during a manic episode. Allowing the client to choose activities freely (Choice D) can lead to impulsive decision-making and may not provide the necessary boundaries required to manage the manic symptoms effectively.

Correct Answer: A

Rationale: Determining if the client has access to a weapon is critical for immediate safety and to prevent potential harm.

Correct Answer: D

Rationale: The accurate statement about contemporary mental health nursing practice is that the psychiatric nursing client may be an individual, family, group, organization, or community. Mental health nursing extends beyond individual care to address the impact of psychiatric stressors on families, groups, and entire communities. Choices A, B, and C are incorrect: A is false as there are various theoretical frameworks used in psychiatric nursing, B is inaccurate as psychiatric nursing is a core discipline in mental health, and C is wrong as contemporary psychiatric nursing involves various settings beyond just inpatient care.

Correct Answer: D

Rationale: The correct answer is D because achieving normal electrolyte balance is critical in clients with anorexia nervosa. Electrolyte imbalances can lead to serious, life-threatening complications such as cardiac arrhythmias and organ failure. While establishing normal eating patterns (choice A) and verbalizing feelings about food and weight (choice B) are important aspects of treatment, addressing electrolyte balance takes precedence due to the immediate risks associated with imbalances. Additionally, setting a weight gain goal of 2 pounds per week (choice C) may not be appropriate initially as rapid refeeding can also lead to electrolyte imbalances and other complications.