5.
Short questions
[After dinner Ram felt acute pain in his chest and almost fainted. He thought it
Study the given hypothetical story and answer the following questions.
was a heart attack. He made a wise decision and went to the hospital. Doctors
did
blood tests
and an ECG on him.
Thankfully it was not a heart attack.
So
, they used
an endoscope to navigate his alimentary canal. They found that it was
an ulcer in
the stomach or possibly the first-stage cancer.]
What is this technology called? Which principle is the machine based on? How is
it carried out?


Ans of this q​