Biomedical Instrumentation MCQ

Q1. Which device is used to record electrical activity of the heart?

Q2. The main function of a transducer is to:

Q3. Which electrode type is commonly used in EEG and ECG?

Q4. Pulse oximetry measures:

Q5. A Wheatstone bridge is used primarily for:

Q6. Photodiode sensors are used to detect:

Q7. The standard electrical signal amplitude for an ECG is typically:

Q8. Bioamplifiers are used to:

Q9. In biomedical instrumentation, noise is typically caused by:

Q10. Which principle does a thermocouple use?

Q11. Capnometers measure:

Q12. An EMG records electrical activity from:

Q13. What is the main use of a spirometer?

Q14. Which device converts analog signals to digital?

Q15. The purpose of isolation amplifiers is to:

Q16. Biopotential electrodes are placed on the body to:

Q17. Which medical imaging uses magnetic fields?

Q18. An oscilloscope is used in biomedical instrumentation to:

Q19. In biomedical signals, signal conditioning includes:

Q20. Which device measures brain electrical activity?

Q21. Photoplethysmography (PPG) is primarily used to measure:

Q22. Which transducer is commonly used for ultrasound imaging?

Q23. Which is the primary advantage of invasive blood pressure monitoring?

Q24. The term "bioinstrumentation" means:

Q25. Which gas is used in medical anesthesia?

Q26. Displacement transducers are used to measure:

Q27. The output of an ECG is typically sensed in:

Q28. Noise in biomedical signals is usually reduced by:

Q29. Biopotential signals are typically in the range of:

Q30. Which mode is used to verify pacemaker function?

Q31. Which gas is primarily monitored in capnography?

Q32. Pulse oximetry uses differential absorption of:

Q33. A filter in biomedical instrumentation is used to:

Q34. The Nyquist rate specifies:

Q35. A common source of artifact in ECG is:

Q36. Which device helps in respiratory function testing?

Q37. Telemetry in bioinstrumentation allows:

Q38. A transducer which converts pressure to electrical signal is:

Q39. A common biopotential amplifier feature is:

Q40. Which instrument monitors EEG signals?