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Biomedical Instrumentation MCQs – Ambulatory Monitoring Instruments

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1. What is the maximum amplitude of FECG recorded during pregnancy?




2. The foetus heart rate is approximately _______ time/s of normal adult foetal heart rate.




3. Which of the following is periodic noise source in the foetal ECG signal from the maternal abdomen?




4. What is the magnitude of ECG for a typical adult in the standard lead connection?




5. Which of the following technique is used to measure foetal heart rate?




6. What is the CMRR of Foetal electrocardiogram?




7. What is responsible for most of the common-mode interfering signal?




8. What is present in the processing circuit for signal separation?




9. The F channel has a _______ ms pulse generator that is triggered by the foetal ECG.




10. Foetal ECG signal detected via electrodes placed on mother’s abdomen is complex and requires accertion of maternal signals for obtaining FHR.




11. AECG technique fails in those rare cases where the amniotic fluid fails to provide adequate electrical coupling from foetus to mother.




12. What is delay time to establish a missing foetal trigger pulse by substitution logic?




13. What is the range of FHR measurement due to substitution logic?




14. FHR yields important information about the status of ________




15. Foetal Heart sounds are listened by digital stethoscope.




16. To listen to the foetal heart sounds at intervals of up to every _______ minutes is tradition.




17. How is the assessment of the condition of foetus can be made during labour?




18. Which of the following instrument carries out a continuous and simultaneous recording of the instantaneous foetal heart rate and labour activity?




19. Sensitivity of _______ bpm/cm of the recording chart allows adequate reading of the recorded FHR.




20. What is the used in Tocodynamometry to sense changes in uterine tension transmitted to abdominal skin surface?




21. Which of the following is a direct method for measuring foetal heart rate?




22. Cardiotocographs are designed to measure and record foetal heart rate on an average basis.




23. What is the accuracy of measurement for the classification of responses?




24. Ambulatory monitoring of ECG is called ____________




25. Which of the following type of systems are not available for ambulatory ECG monitoring?




26. The current state of Holter technology uses small recorders, which size is about _______




27. Who provides an excellent review of ambulatory cardiac event recorders?




28. The monitor automatically transmits recorded data transtelephonically to a central monitoring station for subsequent analysis when an arrhythmia is detected by an arrhythmia algorithm.




29. In the data recording, the normal speed of sub miniature tape recorder is ___________




30. In data recorders, during replay, the tape is run at ________ to achieve rapid manual or automatic scanning of ambulatory records.




31. Which of the following is not an arrhythmic condition?




32. Which CPU has an overall system control responsibility?




33. Full form of P-FCB is ________




34. Which is the most important physiological parameter monitored in the intensive care unit?




35. Which of the following instrument is used for monitoring patients with cardiac problems?




36. Which of the following instrument is also known as Cardioscopes?




37. Disposable type pregelled electrodes to pick up ____________ signal in cardiac monitor.




38. What is used for amplification of signal in cardiac monitor?




39. _____________ is used to display ECG which enable direct observation of the ECG waveform.




40. A cardioscope differ in one important aspects as compared to the conventional instrument.




41. The slow sweep is an outcome of the low frequency character of ________________ signal.




42. What is total sweep time for a 13-cm screen?




43. How many heart beat one can observe in a single sweep period?




44. What indicate average heart rate with audible beep?




45. What is diameter of CRT used in small cardioscopes?




46. An alarm system is used to produce signal in event of abnormalities occurring in heart rate.




47. What is range of RF signals generated by Electrosurgery machine?




48. Which of the following storage device is used for storing digital information in memory monitors?




49. Interruption or interference with normal physiological and developmental processes or structures is called _________




50. For rehabilitation engineering perspective a task that is specific to a single sense or movement pattern is called ___________