I believe that the answer would be C. It is the only one that makes the most sense with the question.
Hope this helps!
An arteriovenous fistula is the joining of your vein and artery to make a safer, faster connection for your dialysis.
An arteriovenous graft is similar, but uses a tube that we put in, instead of relying on the vein and artery alone.
To gradually decline in effectiveness. :)
You need to clean it either with a tongue scraper or with your toothbrush and some toothpaste
Answer:
B. Using them safely as directed by a medical professional
