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What is the resolution of the microscopes used in neurosurgery?

(a) 1 μm

(b) 1 nm

(c) 1 Åm

(d) 1 pm

This question was addressed to me in an interview for job.

The doubt is from Organization of Theaters topic in division Anaesthesia of Clinical Science

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The correct choice is (b) 1 nm

To elaborate: A scanning electron microscope (SEM) is used in neurosurgery. It can give a good resolution up to 1 nm. Neurosurgery deals with nerves and neurons and it needs good magnification and resolution to look into the structures properly.

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