What triggers the secondary appraisal of a stressor? inability to react to the primary appraisal a feeling of anxiety how a threat is perceived increased heart rate?

The answer is "how a treat is perceived ".

Stress appraisal alludes to the procedure by which people assess and adapt to a distressing occasion. Stress examination hypothesis is worried about people's assessment of the occasion, instead of with the occasion.

Stress appraisal comes in two structures, primary and secondary appraisal.

Secondary appraisal is the cognitive procedure that happens when one is making sense of how to adapt to an unpleasant occasion. Amid this procedure, a man chooses what adapting choices are accessible. A destructive occasion requires prompt assessment of adapting choices since it has just happened, though undermining or testing occasions enable one an opportunity to assemble more data about occasions.