Which of the following are classified as priority symptoms?

Priority symptoms are those that indicate a potentially life-threatening condition and require immediate medical attention. The correct choice encompasses symptoms that highlight critical health issues.

Abnormal breathing suggests respiratory distress, which can quickly escalate into a more severe situation if not addressed promptly. Chest pain or discomfort is often associated with cardiac emergencies, which are among the highest priority in emergency medicine. A decreased level of consciousness signals that a patient may not be adequately perfused or is experiencing a neurological emergency, further emphasizing the urgency. Serious hemorrhage indicates significant blood loss, which can lead to shock and requires rapid intervention.

In contrast, while the other choices include some serious symptoms, they don’t collectively encompass the same level of immediate danger. For instance, headache and fatigue are typically not classified as priority symptoms due to their more common, less urgent nature compared to the critical conditions highlighted in the correct answer.