panic attack during full length

started taking AAMC FL5 and my real MCAT is in 5 days. had a panic attack and shaking and crying only 5 questions in. IDK what to do. I have studied for four months with my most recent FL being a 496. This is a retake since I got a 499 on my first attempt. I genuinely cannot handle taking another full length and seeing another sub 500 score. With only five days, i dont know what to do. should i just quit medicine? should i void on my real test day? i just want this to be over with i literally cannot handle this exam anymore or anything to do with applications or medicine or medical school. I thought i could handle a challenge but i am literally hoping i get run over by a truck before i pull up to wherever i am studying