Which treatment is appropriate for airway obstruction?

Oxygen therapy is appropriate for airway obstruction because it addresses the immediate need for maintaining adequate oxygen levels in the body. When an airway is obstructed, airflow is compromised, leading to a decrease in oxygen getting into the lungs and subsequently into the bloodstream. Providing supplemental oxygen can help to alleviate hypoxia, ensuring that vital organs continue to receive the necessary oxygen for proper function.

While increasing fluid intake, bed rest, and immediate surgery may be involved in the broader management of conditions leading to airway obstruction or other related issues, they do not directly address the critical need to improve oxygenation that arises from an obstructed airway. Therefore, oxygen therapy is the most immediate and effective treatment option in this scenario.