How to take blood pressure.....?!?!


Question: How to take blood pressure.....?!?
So I have a blood pressure test in school tomorrow. I have to be able to take someone's blood pressure and my teacher will do the same. If my answer is close to his, I get 100. Otherwise, I get 0. I tried practicing today but it was difficult for me because I have a hearing problem. I told my teacher this and he said it's not his problem and I have to figure out a way to hear via the stethoscope.

So what is another way to take someone's blood pressure? My friend told me my best bet is to watch the needle bounce. Any advice on using needle bouncing for measuring blood pressure? I know it's not as accurate but that seems like my only choice as I cannot hear anything otherwise. thanks :)

Answers:

i've always heard to watch the needle bounce, but i'm not sure how that works, i actually haven't seen an old fashioned blood pressure in a long time since everything these days is digital :/ sorry! but if you have a hearing problem that prevents you from being able to perform this assignment then your teacher is discriminating against a disability and thats against the law.



A blood pressure machine




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