MCQOPTIONS
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MCQOPTIONS
This section includes 23 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. |
The Angular frequency of precession is given by W=2pv=rBo, where r is ____________ |
| A. | ratio of magnetic moment to angular momentum |
| B. | density of steady magnetic field |
| C. | frequency of radiation |
| D. | length of coil |
| Answer» B. density of steady magnetic field | |
| 2. |
For blood flow measurement work, the behavior of the two hydrogen atoms of water is studied. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The Angular frequency of precession is given by W=2pv=rBo,where Bo is _______ |
| A. | ratio of magnetic moment to angular momentum |
| B. | density of steady magnetic field |
| C. | frequency of radiation |
| D. | length of coil |
| Answer» C. frequency of radiation | |
| 4. |
Which of the following is a non invasive method for measurement of peripheral blood flow or blood flow in various organs? |
| A. | Electromagnetic |
| B. | Ultrasonic |
| C. | NMR |
| D. | Laser Doppler |
| Answer» D. Laser Doppler | |
| 5. |
Which of the following is a non-invasive technique to measure blood velocity in a particular vessel from surface of the body? |
| A. | Electromagnetic |
| B. | Ultrasonic |
| C. | NMR |
| D. | Laser Doppler |
| Answer» C. NMR | |
| 6. |
_______ instruments are now available for the measurement of blood velocity, volume flow, flow direction, flow profile and to visualize the internal lumen of blood vessel. |
| A. | Transit-time |
| B. | Doppler-shift |
| C. | Square wave |
| D. | Sine wave |
| Answer» C. Square wave | |
| 7. |
A calibrating signal of _____ mV amplitude can be connected to preamplifier with an input selector switch. |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» D. 40 | |
| 8. |
The preamplifier used in square wave blood flowmeter has a CMRR of _______ dB. |
| A. | 96 |
| B. | 100 |
| C. | 106 |
| D. | 110 |
| Answer» D. 110 | |
| 9. |
In which type of electromagnetic blood flowmeter, the energizing voltage is given to magnet is a square wave? |
| A. | Sine wave electromagnetic flowmeter |
| B. | Square wave electromagnetic flowmeter |
| C. | Sawtooth wave electromagnetic flowmeter |
| D. | Impulse wave electromagnetic flowmeter |
| Answer» C. Sawtooth wave electromagnetic flowmeter | |
| 10. |
In which type of electromagnetic flowmeter, the probe magnet is energized with sine wave? |
| A. | Sine wave electromagnetic flowmeter |
| B. | Square wave electromagnetic flowmeter |
| C. | Sawtooth wave electromagnetic flowmeter |
| D. | Impulse wave electromagnetic flowmeter |
| Answer» B. Square wave electromagnetic flowmeter | |
| 11. |
WHICH_OF_THE_FOLLOWING_IS_A_NON-INVASIVE_TECHNIQUE_TO_MEASURE_BLOOD_VELOCITY_IN_A_PARTICULAR_VESSEL_FROM_SURFACE_OF_BODY??$ |
| A. | Electromagnetic |
| B. | Ultrasonic |
| C. | NMR |
| D. | Laser Doppler |
| Answer» C. NMR | |
| 12. |
Which of the following is a non invasive method for measurement of peripheral blood flow or blood flow in various organs?$ |
| A. | Electromagnetic |
| B. | Ultrasonic |
| C. | NMR |
| D. | Laser Doppler |
| Answer» D. Laser Doppler | |
| 13. |
The Angular frequency of precession is given by W=2pv=rBo, where v is _____________ |
| A. | ratio of magnetic moment to angular momentum |
| B. | density of steady magnetic field |
| C. | frequency of radiation |
| D. | length of coil |
| Answer» D. length of coil | |
| 14. |
The Angular frequency of precession is given by W=2pv=rBo, where r is____________ |
| A. | ratio of magnetic moment to angular momentum |
| B. | density of steady magnetic field |
| C. | frequency of radiation |
| D. | length of coil |
| Answer» B. density of steady magnetic field | |
| 15. |
For blood flow measurement work,behavior of the two hydrogen atoms of water is studied. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
_______ instruments are now available for the measurement of blood velocity,volume flow,flow direction, flow profile and to visualize the internal lumen of blood vessel? |
| A. | Transit-time |
| B. | Doppler-shift |
| C. | Square wave |
| D. | Sine wave |
| Answer» C. Square wave | |
| 17. |
The major problem encountered with the sinusoidal type of magnetic field is that the blood vessel and the fluid contained in it act as the primary coil of a transformer when the probe magnet is excited. |
| A. | True |
| B. | False |
| Answer» C. | |
| 18. |
What is used to recover the signal, which is analogue of the flow rate being measured? |
| A. | Low-pass filter |
| B. | Phase sensitive detector |
| C. | Gating Circuit |
| D. | Bandpass filter |
| Answer» C. Gating Circuit | |
| 19. |
A calibrating signal of _____ mV amplitude can be connected to preamplifier with an input selector switch |
| A. | 10 |
| B. | 20 |
| C. | 30 |
| D. | 40 |
| Answer» D. 40 | |
| 20. |
What is the common mode input impedance of preamplifier used in square wave blood flowmeter? |
| A. | 110 MW |
| B. | 130 MW |
| C. | 150 MW |
| D. | 180 MW |
| Answer» D. 180 MW | |
| 21. |
The preamplifier used in square wave blood flowmeter has a CMRR of_______ dB. |
| A. | 96 |
| B. | 100 |
| C. | 106 |
| D. | 110 |
| Answer» D. 110 | |
| 22. |
In which type of electromagnetic blood flowmeter, the energizing voltage given to magnet is a square wave? |
| A. | Sine wave electromagnetic flowmeter |
| B. | Square wave electromagnetic flowmeter |
| C. | Sawtooth wave electromagnetic flowmeter |
| D. | Impulse wave electromagnetic flowmeter |
| Answer» C. Sawtooth wave electromagnetic flowmeter | |
| 23. |
In which type of electromagnetic flowmeter,the probe magnet is energized with sine wave? |
| A. | Sine wave electromagnetic flowmeter |
| B. | Square wave electromagnetic flowmeter |
| C. | Sawtooth wave electromagnetic flowmeter |
| D. | Impulse wave electromagnetic flowmeter |
| Answer» B. Square wave electromagnetic flowmeter | |