Answer: endoscopy
Explanation: During endoscopy, your doctor passes a hollow tube equipped with a lens (endoscope) down your throat and into your esophagus, stomach and small intestine. Using the endoscope, your doctor looks for ulcers. If your doctor detects an ulcer, a small tissue sample (biopsy) may be removed for examination in a lab.
I would decide one whether or not I want to keep doing this in my life and I would try to help out everyone I can
If your looking for flashcards and dont want to buy them
then i would recommend trying quizlet it has plenty of flashcards
and you might find what your looking for there
Hope this helps sorry if it dont help