Exam-style question
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What is the role of light in the functioning of an endoscope?.
- A.To create heat for cauterization.
- B.To illuminate the area being examined.
- C.To reflect sound waves for imaging.
- D.To transmit electrical signals.
Model answer
What a good answer should say
- To illuminate the area being examined.
Explanation
Why this works
Light is essential in endoscopy as it illuminates the area being examined, allowing for clear visibility and accurate diagnosis of internal structures.
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