MCQOPTIONS
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MCQOPTIONS
This section includes 21 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. |
________ are made horizontally on electrocardiogram. |
| A. | Time Measurements |
| B. | Heart Rate Measurements |
| C. | Time Measurements and Heart Rate Measurements |
| D. | Not fixed and can be any thing |
| Answer» D. Not fixed and can be any thing | |
| 2. |
‘Stand by’ mode of operation is generally provided in which instrument? |
| A. | VCG |
| B. | PCG |
| C. | ECG |
| D. | EMG |
| Answer» D. EMG | |
| 3. |
Why is preamplifier used? |
| A. | For Amplification |
| B. | For Stabilizing effect |
| C. | For Reducing effect |
| D. | For Modifying effects |
| Answer» C. For Reducing effect | |
| 4. |
The amplified output signal is picked up single-ended from preamp and is given to the _________ |
| A. | Power Amplifier |
| B. | Lead Selector |
| C. | Pen Motor |
| D. | Paper motor |
| Answer» B. Lead Selector | |
| 5. |
Where are potentials picked up by patient electrodes taken to? |
| A. | Lead Selector switch |
| B. | Preamp |
| C. | Power Amplifier |
| D. | Instrumentational amplifier |
| Answer» B. Preamp | |
| 6. |
Which of the following instrument records the electrical activity of the heart? |
| A. | VCG(Vectorcardiograph) |
| B. | PCG(Phonocardiograph) |
| C. | ECG(Electrocardiograph) |
| D. | EEG |
| Answer» D. EEG | |
| 7. |
THE_AMPLIFIED_OUTPUT_SIGNAL_IS_PICKED_UP_SINGLE-ENDED_FROM_PREAMP_AND_IS_GIVEN_TO_THE__________?$ |
| A. | Power Amplifier |
| B. | Lead Selector |
| C. | Pen Motor |
| D. | Paper motor |
| Answer» B. Lead Selector | |
| 8. |
‘Stand by’ mode of operation is generally provided in which instrument?$# |
| A. | VCG |
| B. | PCG |
| C. | ECG |
| D. | EMG |
| Answer» D. EMG | |
| 9. |
Why_is_preamplifier_used?$ |
| A. | For Amplification |
| B. | For Stabilizing effect |
| C. | For Reducing effect |
| D. | For Modifying effects |
| Answer» C. For Reducing effect | |
| 10. |
What is sensitivity of an electrocardiograph? |
| A. | 10 mm/mV |
| B. | 15 mm/mV |
| C. | 20 mm/mV |
| D. | 25 mm/mV |
| Answer» B. 15 mm/mV | |
| 11. |
What measurements are made vertically on electrocardiogram? |
| A. | Time Measurements |
| B. | Heart Rate Measurements |
| C. | Amplitude Measurements |
| D. | Time Measurements and Heart Rate Measurements |
| Answer» D. Time Measurements and Heart Rate Measurements | |
| 12. |
What is paper recording speed for routine work? |
| A. | 10 mm/s |
| B. | 15 mm/s |
| C. | 20 mm/s |
| D. | 25 mm/s |
| Answer» D. 25 mm/s | |
| 13. |
_________are_made_horizontally_on_electrocardiogram. |
| A. | Time Measurements |
| B. | Heart Rate Measurements |
| C. | Time Measurements and Heart Rate Measurements |
| D. | Not fixed and can be any thing |
| Answer» D. Not fixed and can be any thing | |
| 14. |
How lead selector selects electrodes? |
| A. | one by one |
| B. | two by two |
| C. | three by three |
| D. | four by four |
| Answer» C. three by three | |
| 15. |
Where are potentials picked up by patient electrodes taken to ? |
| A. | Lead Selector switch |
| B. | Preamp |
| C. | Power Amplifier |
| D. | Instrumentational amplifier |
| Answer» B. Preamp | |
| 16. |
How many paper speeds are necessary for ECG recording? |
| A. | One |
| B. | Minimum two |
| C. | Can be any |
| D. | Max two |
| Answer» C. Can be any | |
| 17. |
Which machines CMRR is of order of 100-120 dB? |
| A. | VCG |
| B. | PCG |
| C. | EEG |
| D. | ECG |
| Answer» E. | |
| 18. |
What is diagnostically useful frequency range? |
| A. | 0.025 to 0.05 Hz |
| B. | 0.05 to 150 Hz |
| C. | 150 to 200 Hz |
| D. | 0.05 to 150 MHz |
| Answer» C. 150 to 200 Hz | |
| 19. |
Who provides valuable information about a wide range of cardiac disorders? |
| A. | VCG |
| B. | ECG |
| C. | PCG |
| D. | EEG |
| Answer» C. PCG | |
| 20. |
Electrocardiography are used in catheterization laboratories, coronary care units and for routine diagnostic applications in cardiology. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 21. |
Which of the following instrument records the electrical activity of heart? |
| A. | VCG(Vectorcardiograph) |
| B. | PCG(Phonocardiograph) |
| C. | ECG(Electrocardiograph) |
| D. | EEG |
| Answer» D. EEG | |