Which of the following is an indication for advanced life support measures?

The indication for advanced life support measures is when a patient is unresponsive and not breathing. This situation represents a critical emergency where immediate intervention is necessary to restore breathing and circulation, as the patient is unable to maintain their airway or breathe on their own. Advanced life support can include procedures such as intubation or the use of medications and defibrillation, which are essential for managing life-threatening conditions.

In contrast, the other scenarios describe patients who have varying degrees of responsiveness and are able to breathe, albeit with discomfort, weakness, or anxiety. These conditions may require assessment and possibly basic support or comfort measures, but they do not indicate an immediate need for advanced life support. Therefore, the unresponsive state coupled with the absence of breathing signifies the critical need for intervention that advanced life support provides.