MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following instrument makes use of the Doppler shift principle? |
| A. | Abdominal Foetal Electrocardiogram |
| B. | Foetal Phonocardiogram |
| C. | Foetus blood flow detector |
| D. | Foetal ECG with scalp electrode |
| Answer» D. Foetal ECG with scalp electrode | |
| 2. |
Ultrasound provides basically clearer signal than does phonocardiography. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
No output pulse will occur when the period between two pulses is less than _____ ms. |
| A. | 230 |
| B. | 20 |
| C. | 400 |
| D. | 440 |
| Answer» D. 440 | |
| 4. |
What is used to delay the change in the time constant in foetal phonocardiograph? |
| A. | Preamplifier |
| B. | Notch Filter |
| C. | Integrator |
| D. | Band Pass Filter |
| Answer» D. Band Pass Filter | |
| 5. |
If the period duration is lesser than 400 ms, the one-shot will deliver a pulse. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
What is the fixed pulse width of the pulse after process of one-shot circuit? |
| A. | 110 ms |
| B. | 170 ms |
| C. | 230 ms |
| D. | 280 ms |
| Answer» D. 280 ms | |
| 7. |
Crystal microphone is used for picking _______ signals. |
| A. | cardiac |
| B. | brain |
| C. | phono |
| D. | muscles |
| Answer» D. muscles | |
| 8. |
WHAT_IS_USED_TO_DELAY_THE_CHANGE_IN_TIME_CONSTANT_IN_FOETAL_PHONOCARDIOGRAPH??$ |
| A. | Preamplifier |
| B. | Notch Filter |
| C. | Integrator |
| D. | Band Pass Filter |
| Answer» D. Band Pass Filter | |
| 9. |
Ultrasound provides basically clearer signal than does phonocardiography.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
No_output_pulse_will_occur_when_the_period_between_two_pulses_is_less_than_______ms.$ |
| A. | 230 |
| B. | 20 |
| C. | 400 |
| D. | 440 |
| Answer» D. 440 | |
| 11. |
What is range of ultrasonic energy transmitted into the body? |
| A. | 0-5 mW/cm<sup>2</sup> |
| B. | 5-10 mW/cm<sup>2</sup> |
| C. | 10-15 mW/cm<sup>2</sup> |
| D. | 15-20 mW/cm<sup>2</sup> |
| Answer» D. 15-20 mW/cm<sup>2</sup> | |
| 12. |
What is ultrasonic frequency employed for obstetric studies? |
| A. | 0.5 to 1 MHz |
| B. | 1 to 1.5 MHz |
| C. | 1.5 to 2 MHz |
| D. | 2 to 2.5 MHz |
| Answer» E. | |
| 13. |
Which technique is used to derive an integrated rate of the foetus heart from blood flow signals and to display it on a suitable display system? |
| A. | Abdominal Foetal Electrocardiogram |
| B. | Foetal Phonocardiogram |
| C. | Ultrasound |
| D. | Foetal ECG with scalp electrode |
| Answer» D. Foetal ECG with scalp electrode | |
| 14. |
Which of the following instrument makes use of Doppler shift principle? |
| A. | Abdominal Foetal Electrocardiogram |
| B. | Foetal Phonocardiogram |
| C. | Foetus blood flow detector |
| D. | Foetal ECG with scalp electrode |
| Answer» D. Foetal ECG with scalp electrode | |
| 15. |
If the period duration is lesser than 400 ms, the one-shot will deliver a pulse? |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
What is used to detect heart frequency in foetal phonocardiograph? |
| A. | 230 ms one shot |
| B. | 400 ms one shot |
| C. | 20 ms one shot |
| D. | 440 ms one shot |
| Answer» C. 20 ms one shot | |
| 17. |
What is the fixed pulse width of pulse after process of one-shot circuit? |
| A. | 110 ms |
| B. | 170 ms |
| C. | 230 ms |
| D. | 280 ms |
| Answer» D. 280 ms | |
| 18. |
How many sounds are produced from the normal foetal heart action? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 19. |
The preamplifier is incorporated in the transducer housing to maximize interference signals being picked up. |
| A. | True |
| B. | False |
| Answer» C. | |
| 20. |
Bandpass filter used in foetal phonocardiogram rejects all frequencies outside the ________ Hz range. |
| A. | 0-40 |
| B. | 40-80 |
| C. | 70-110 |
| D. | 110-150 |
| Answer» D. 110-150 | |
| 21. |
Crystal microphone is used for picking _______ signals. |
| A. | cardiac |
| B. | brain |
| C. | phono |
| D. | muscles |
| Answer» D. muscles | |
| 22. |
How are foetal heart sounds picked up from the maternal abdomen? |
| A. | Piezoelectric device |
| B. | Sensitive Microphone |
| C. | Crystal microphone |
| D. | Dynamic microphone |
| Answer» C. Crystal microphone | |