What is one common sign of respiratory distress?

Chest pain is indeed a common sign of respiratory distress. When an individual experiences respiratory distress, it often leads to increased work of breathing or changes in the way they breathe. This can result in pain or discomfort in the chest area due to strained muscles, inflammation, or even the underlying lung conditions affecting the oxygenation of the blood. Patients might experience pressure or tightness in the chest, which can be perceived as pain.

In contrast, the other options do not typically relate directly to respiratory distress. Increased appetite is generally not associated with breathing difficulties; rather, it can be indicative of a healthy response to physical well-being or recovery. Clear nasal discharge may suggest a mild upper respiratory condition, but it does not necessarily signify respiratory distress. Low blood pressure can occur with various medical conditions, but it is not a direct or common sign of respiratory distress specifically.