What are labour-activity transducers?(a) temperature transducer(b) ultrasonic transducer(c) pressure transducer(d) piezoelectric transducerI had been asked this question in an interview for internship.This intriguing question originated from Ear Oximeter topic in chapter Oximeters of Biomedical Instrumentation

What are labour-activity transducers?(a) temperature transducer(b) ult

1.	What are labour-activity transducers?(a) temperature transducer(b) ultrasonic transducer(c) pressure transducer(d) piezoelectric transducerI had been asked this question in an interview for internship.This intriguing question originated from Ear Oximeter topic in chapter Oximeters of Biomedical Instrumentation
Answer» Right answer is (C) pressure transducer For explanation I would SAY: The labour-activity transducers are pressure transducers that drive CIRCUITS for obtaining an electrical indication of pressure by conventional means. The pressure channel on the recorder is provided with a positioning control. This is DONE because the BASELINE is affected by the static pressure on the transducer that results from the tension on the belt holding the transducer in place.

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