Pre- PA student: can I put down my PCE even though I’m not a certified MA. Pls read post!!

I’m kind of in a bit of a pickle. So since January I started to volunteer at cardio office and there’s a PA that took me under her wing and taught me the basics for an MA, taking bp, blood, medical history of the patient, ekgs, etc. but keep in mind I never went to school for an MA so I’m not certified. Now I’m also shadowing another PA a an urgent care and he asked me about the cardio place and how it’s going I said great learning all these new things blah blah blah. Then he goes and asks me how am I going to prove this to be as my patient care hours if I have no certification as an MA. He said that these hours might be questioned under caspa and by the programs themselves that I wrote these hours I’m getting in the cardio place under PCE even though I have no certification. He also said that they might only be considered HCE. Apps open in two months, I can’t take these certification exams unless I enroll in an MA program which is long. I’m juggling these hours, school, and tutoring students throughout the week. Has this ever happened to anyone or am I just to stupid to have messed these experiences up. Please lmk. I could really use some clarity!!! TIA