All of the following statements regarding this instrument are true except?
Correct Answer: Speculum that is used here has a convex lens with a minification of 2.5 times
Description: Ans. (a) Speculum that is used here has a convex lens with a minification of 2.5 times.Given image is of the Pneumatic otoscope, this device is used along with Siegel's pneumatic speculum which has a convex lens with a magnification of 2.5 times. As it creates pressure in the ear by pumping the rubber bulb this is used to access tympanic membrane when it bulges due to pressure and with same pressure antibiotics in administered, it also creates suction pressure due to which middle ear secretions can be sucked out.
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