Biomedical Signal Processing – MCQs

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1. Which type of signal is the ECG considered?





2. Which transformation is most widely used for frequency domain analysis of biomedical signals?





3. Which type of filter is most suitable for removing baseline wander in ECG signals?





4. The 50/60 Hz power line interference in biomedical signals is removed using:





5. Which method is used for time-frequency analysis of non-stationary biomedical signals?





6. The EEG signal primarily represents:





7. EMG signals measure:





8. Which domain representation gives amplitude and phase information?





9. Which technique is used for compression of ECG signals?





10. What is the normal frequency range of an ECG signal?





11. Biomedical signals are generally considered:





12. The QRS complex in an ECG corresponds to:





13. Which mathematical tool is best for analyzing transient biomedical signals?





14. What is the primary purpose of signal normalization?





15. The Nyquist sampling theorem states that the sampling frequency must be at least:





16. Which signal is typically analyzed to study sleep disorders?





17. Artifact in biomedical signals refers to:





18. Which method is suitable for feature extraction from ECG signals?





19. What is the main purpose of filtering in biomedical signal processing?





20. Which type of filter is used to eliminate high-frequency noise from ECG?





21. What is the typical sampling frequency used for ECG acquisition?





22. Which transform provides both time and frequency localization?





23. Heart rate variability analysis is usually performed on:





24. Which of the following is a linear filter?





25. Principal Component Analysis (PCA) is mainly used for:





26. An event-related potential (ERP) is extracted from which signal?





27. Which technique is best for detecting muscle fatigue in EMG signals?





28. Which parameter of ECG is useful for arrhythmia detection?





29. Which type of biomedical signal is phonocardiogram (PCG)?





30. Biomedical signals are usually digitized using:





31. Which adaptive filter algorithm is widely used in biomedical signal processing?





32. Which parameter is important in EMG signal classification?





33. The power spectral density (PSD) of EEG is commonly estimated using:





34. Signal segmentation is mainly done to:





35. Independent Component Analysis (ICA) is useful for:





36. Which is a nonlinear signal processing method?





37. Which feature is extracted from EEG for seizure detection?





38. The unit of EEG signal amplitude is:





39. Which transform is preferred for ECG denoising?





40. Biomedical signals stored for long-term monitoring require:





41. The latency of an ERP component is measured in:





42. Which is the main limitation of Fourier Transform in biomedical signals?





43. Which type of filter adapts to varying signal conditions?





44. EEG rhythms in the range of 8–13 Hz are called:





45. Which biomedical signal is used for respiratory rate estimation?





46. What is the main advantage of wavelet transform in biomedical signals?





47. Which type of biomedical signals require artifact removal from eye blinks?





48. The R-peak detection in ECG is generally performed using:





49. Which of the following is NOT a biomedical signal?





50. Biomedical signal processing plays a key role in:





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