Which of the following is an indicator of anxiety or emotional shock from trauma?

Fearfulness is indeed an indicator of anxiety or emotional shock from trauma. When someone experiences trauma, it's not uncommon for them to exhibit heightened emotional responses, including fear. This fear can manifest as a sense of panic, overwhelming worry, or a pervasive feeling of dread, which reflects an inability to cope with the situation.

In contrast, laughter, composure, and calmness often denote a sense of control or emotional stability, or they might represent coping mechanisms that do not necessarily indicate anxiety or shock. While laughter can sometimes occur in stressful situations as a way to mask discomfort, it is not a direct indicator of anxiety. Composure and calmness typically suggest that an individual is managing their emotions effectively, which is contrary to the signs of emotional shock linked to trauma. Thus, fearfulness serves as a clear signal of the distress and anxiety often associated with traumatic experiences.