Stuck in a study rut!

My palms are sweaty, my heart is in my throat, my brain isn’t working and I feel quite sick. I’m surrounded by the sound of hundreds of pens scribbling furiously, while I stare blankly at the paper in front of me that only has my name and the date, and I am not entirely sure I’ve written that correctly. Question 1 is an essay question and I’m pretty sure of the subject but can’t recall any facts to back up my answer despite cramming the night before on this very …