Which symptom is associated with trauma and may lead to blood-streaked sputum?

The symptom that is associated with trauma and may lead to blood-streaked sputum is coughing. In cases of trauma, particularly to the chest area, there can be damage to the lung tissue or the airway, which can cause bleeding within the respiratory tract. This bleeding can mix with the sputum produced during a cough, resulting in a blood-streaked appearance.

It's important to recognize that coughing in this context serves as a protective reflex but can also indicate underlying issues such as pulmonary contusions or other injuries. The presence of blood in the sputum, especially following a trauma event, is a clinical sign that warrants further evaluation for potential injuries to the lungs or airways.

Other conditions like fungal infections, allergic reactions, and severe asthma attacks typically do not lead to blood-streaked sputum as a direct symptom resulting from traumatic incidents. Instead, they would be more associated with other specific symptoms related to their respective pathologies.