Question : What is an endoscope ?
Option 1: It is an optical instrument used to see inside the alimentary canal
Option 2: It is a device which is fitted on the chest of the patient to regularise the irregular heart beats
Option 3: It is an instrument used for examining ear disorders
Option 4: It is an instrument for recording electrical signals produced by human muscles
Correct Answer: It is an optical instrument used to see inside the alimentary canal
Solution : The correct option is it is an optical instrument used to see inside the alimentary canal.
An endoscope is a type of optical tool used to see into the alimentary canal (also known as the digestive system or gastrointestinal tract) and other bodily cavities. Gastrointestinal endoscopy, in particular, includes visually inspecting the oesophagus, stomach, and duodenum (upper endoscopy or EGD) or the colon (colonoscopy) with an endoscope. This visual information assists in the diagnosis of gastrointestinal diseases such as ulcers, polyps, inflammation, and tumours.
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