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In the sampling unit, when it is in its earlier form consisted of a circular turntable carrying around its rim 40 disposable __________ of 2 ml capacity.(a) Polyvinyl cups(b) Polythene cups(c) Polyester cups(d) Polystyrene cupsThe question was posed to me in a national level competition.The above asked question is from Skin Reflectance Oximeters topic in division Oximeters of Biomedical Instrumentation

Answer»

The correct choice is (d) Polystyrene cups

For explanation: The unit in its EARLIER FORM consisted of a circular turntable carrying around its rim 40 disposable polystyrene cups of 2 ml capacity. The SAMPLE plate carrying these cups rotates at a predetermined speed. The movement of the turntable is SYNCHRONIZED with the movements of a sampling CROOK.



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