There are two types of coils employed in the system, which are ____(a) Tygon coils and mixing coils(b) Mixing coils and tubing coils(c) Delay coils and tygon coils(d) Mixing coils and delay coilsI had been asked this question in class test.The above asked question is from Skin Reflectance Oximeters topic in chapter Oximeters of Biomedical Instrumentation

There are two types of coils employed in the system, which are ____(a)

1.	There are two types of coils employed in the system, which are ____(a) Tygon coils and mixing coils(b) Mixing coils and tubing coils(c) Delay coils and tygon coils(d) Mixing coils and delay coilsI had been asked this question in class test.The above asked question is from Skin Reflectance Oximeters topic in chapter Oximeters of Biomedical Instrumentation
Answer» Correct ANSWER is (d) Mixing coils and delay coils The best explanation: TWO types of coils are employed in the system—mixing coils and delay coils. Coils are glass spirals of critical dimensions, in which the mixing liquids are inverted several times, so that complete mixing can RESULT. Mixing coils are used to mix the sample and/or reagents. Delay coils are employed when a specimen must be delayed for the completion of a chemical reaction before reaching the colorimeter.

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