What can be a possible physical response following a critical incident?

Following a critical incident, individuals often experience a range of physical responses as part of their body's reaction to stress and trauma. Fatigue and nausea are common physiological effects due to the overwhelming nature of such incidents. The body may react with physical symptoms as a way to process the stress or trauma encountered.

Fatigue can result from the stress hormone response, where heightened levels of adrenaline and cortisol drain energy. Nausea may also be associated with anxiety or the body's acute stress response, which can affect the digestive system. These symptoms are significant indicators of the body's physical and emotional fatigue in response to a traumatic experience, reflecting the interplay between mental health and physical well-being during and after critical situations.

Other choices, such as increased happiness or improved concentration, are unlikely responses to critical incidents, as they do not typically align with common psychological reactions in stressful situations. Heightened alertness might occur during the immediate aftermath but does not capture the longer-lasting physical effects often experienced following a critical incident.