Which of the following is a self-imposed stressor of flight?

Self-imposed stressors are factors that arise from personal choices or behaviors that can negatively affect performance and well-being in a flight environment. Alcohol consumption is a prime example of a self-imposed stressor because it involves an individual's decision to consume a substance that can impair cognitive and physical functions.

When a flight paramedic consumes alcohol, it can lead to decreased reaction time, impaired judgment, and reduced situational awareness. These effects can be particularly dangerous in a high-stakes environment where decisions must be made quickly and effectively. Therefore, alcohol consumption stands out as a stressor that a person can actively choose to manage or avoid.

Thermal changes, high G forces, and noise are external stressors typically encountered in flight that are not a result of personal choice. While these factors can still contribute to overall stress and discomfort, they do not fall under the category of self-imposed choices in the same way that alcohol consumption does.