How do you determine if an adult is unresponsive?

To determine if an adult is unresponsive, it is important to assess the individual's responsiveness accurately and effectively. The approach of tapping the shoulder and shouting, "Are you okay?" is a widely accepted method in Basic Life Support. This technique involves both physical and verbal stimuli to see if the individual responds. If they do not react to the tap or the shout, it indicates a lack of response which is a crucial sign of unresponsiveness.

This method also allows the rescuer to gauge the degree of alertness and responsiveness quickly, which is essential in emergency scenarios. A timely assessment can lead to quicker intervention if necessary, such as calling for help or starting CPR.

In contrast, checking for a pulse, examining the eyes for movement, or observing the chest for movement do not provide a direct assessment of responsiveness. These methods may take more time and can lead to delays in necessary actions needed to assist someone who is potentially in a critical state. Thus, using the approach of calling out and physically prompting the person is the most effective way to determine unresponsiveness in adults.