Medical Sensors & Transducers – MCQs

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1. A transducer is a device that:





2. A sensor is primarily used to:





3. Which of the following is a bio-potential signal?





4. A piezoelectric transducer works on the principle of:





5. Thermistors are temperature sensors that:





6. A photodiode is used as a sensor to detect:





7. A strain gauge measures:





8. Which transducer is used in ultrasound imaging?





9. A microphone is an example of a:





10. An accelerometer is used to measure:





11. A glucometer uses which type of sensor?





12. The function of a pulse oximeter is to measure:





13. EEG sensors detect signals from:





14. EMG sensors measure:





15. A pressure sensor in medical devices is used to:





16. A thermocouple generates voltage based on:





17. A biosensor typically consists of:





18. Which sensor is used in pacemakers?





19. A common sensor used in wearable fitness trackers is:





20. A transducer converting electrical energy to ultrasound waves is called:





21. Optical sensors are based on:





22. A manometer is used for measuring:





23. Spirometers use sensors to measure:





24. ECG electrodes act as:





25. Capacitive sensors are often used to detect:





26. A pulse sensor measures:





27. Which sensor is used in hearing aids?





28. The Doppler effect principle is used in:





29. A galvanic skin response sensor measures:





30. MEMS sensors are widely used in:





31. An infrared sensor is used in:





32. Which type of sensor is used in fetal heart rate monitors?





33. Smart prosthetics use:





34. Which sensor is critical in artificial vision systems?





35. Biosensors in diabetes management primarily measure:





36. A flow sensor in medical equipment is used to:





37. In cochlear implants, sound is detected by:





38. Pacemakers use sensors to:





39. The function of a catheter pressure sensor is:





40. Optical fiber sensors are used in medical applications for:





41. The main characteristic of biomedical sensors is:





42. Which sensor is commonly used in wearable ECG devices?





43. A temperature sensor commonly used in incubators is:





44. An endoscope uses:





45. Capacitive biosensors are often used for:





46. An implantable glucose sensor must be:





47. Smart bandages may use sensors to:





48. The function of a tactile sensor in prosthetics is to:





49. A biosensor that measures DNA sequences is called:





50. The ultimate aim of medical sensors and transducers is:





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