A client is diagnosed with active tuberculosis and is started on medications. The nurse is aware that which parameter best indicates that the prescribed therapy has been effective? The client has: 

Choice A reason:
Mandated activities are part of a therapeutic milieu, but they are not the primary element that contributes to the stability of a client with schizophrenia. While these activities provide a routine, they do not encompass the comprehensive support system that structured programming offers.

Choice B reason:
Visitor restrictions can be a component of a therapeutic milieu, particularly in inpatient settings, to ensure a safe and controlled environment. However, this is not typically what is missing in the home environment that leads to decompensation.

Choice C reason:
Structured programming is a key element of the therapeutic milieu that provides a stable and predictable environment, which is often lacking at home. This structure includes scheduled therapy sessions, social interactions, and activities that are designed to improve coping skills and social functioning. The consistency and predictability of structured programming can significantly benefit individuals with schizophrenia, helping them maintain functional stability.

Choice D reason:
Peer pressure is not a therapeutic aspect of the milieu. In fact, peer pressure can sometimes be negative. However, positive peer interactions and support are important in a therapeutic setting, as they can provide encouragement and a sense of community.

Choice A reason:
A respiratory rate of 24/min is slightly elevated, which can be expected in a client with pneumonia due to the body's attempt to increase oxygen intake and carbon dioxide elimination. However, this rate does not directly indicate ineffective airway clearance.

Choice B reason:
A weak, nonproductive cough is a key indicator of ineffective airway clearance. In pneumonia, the presence of secretions in the airways is common, and an effective cough is necessary to clear these secretions. A weak cough that does not produce sputum suggests that the client is unable to clear their airways effectively, which can lead to impaired gas exchange and worsening of symptoms.

Choice C reason:
Pulse oximetry (SpO2) of 90% indicates that the client's oxygen saturation is below the normal range, which is typically between 95-100% for healthy individuals. While this finding is concerning and warrants intervention, it is a result of ineffective airway clearance rather than a direct indicator of it.

Choice D reason:
Shortness of breath with activity is common in clients with pneumonia and can result from various factors, including impaired gas exchange, decreased lung compliance, and increased work of breathing. While it may be associated with ineffective airway clearance, it is not as specific as a weak, nonproductive cough for indicating this particular problem.