MCQOPTIONS
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MCQOPTIONS
This section includes 16 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 technique seems to offer several advantages like light reproducibility and sensitivity? |
| A. | NMR |
| B. | Laser Doppler |
| C. | Electromagnetic |
| D. | Ultrasonic |
| Answer» C. Electromagnetic | |
| 2. |
What functions as a square law device and gives out current? |
| A. | Plastic fibre |
| B. | Photodetector |
| C. | He-Ne Laser |
| D. | CO2 Laser |
| Answer» C. He-Ne Laser | |
| 3. |
What is the operating wavelength of He-Ne laser? |
| A. | 610.8 nm |
| B. | 622.6 nm |
| C. | 632.8 nm |
| D. | 650 nm |
| Answer» D. 650 nm | |
| 4. |
Which laser is used in Laser doppler blood flowmeter? |
| A. | Nd-YAG |
| B. | Argon |
| C. | He-Ne |
| D. | CO2 |
| Answer» D. CO2 | |
| 5. |
What is the power of laser light used in Laser Doppler Blood flowmeter? |
| A. | 2 mW |
| B. | 3 mW |
| C. | 4 mW |
| D. | 5 mW |
| Answer» E. | |
| 6. |
Which of the following instrument is used to measure blood flow in the skin? |
| A. | NMR Blood Flowmeter |
| B. | Ultrasonic Blood Flowmeter |
| C. | Electromagnetic Blood Flowmeter |
| D. | Laser Doppler Blood Flowmeter |
| Answer» E. | |
| 7. |
WHAT_FUNCTIONS_AS_SQUARE_LAW_DEVICE_AND_GIVES_OUT_CURRENT??$ |
| A. | Plastic fibre |
| B. | Photodetector |
| C. | He-Ne Laser |
| D. | CO<sub>2</sub> Laser |
| Answer» C. He-Ne Laser | |
| 8. |
Which_technique_seems_to_offer_several_advantages_like_light_reproducibility_and_sensitivity?$ |
| A. | NMR |
| B. | Laser Doppler |
| C. | Electromagnetic |
| D. | Ultrasonic |
| Answer» C. Electromagnetic | |
| 9. |
What is operating wavelength of He-Ne laser? |
| A. | 610.8 nm |
| B. | 622.6 nm |
| C. | 632.8 nm |
| D. | 650 nm |
| Answer» D. 650 nm | |
| 10. |
The laser output is coupled into the fibre using a converging lens. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Where optical heterodyning takes place in Laser Doppler Blood Flowmeter? |
| A. | Plastic fibre |
| B. | Photo diode |
| C. | He-Ne Laser |
| D. | CO<sub>2</sub> Laser |
| Answer» C. He-Ne Laser | |
| 12. |
What is used to receive beams of light? |
| A. | Plastic fibre |
| B. | Photo diode |
| C. | He-Ne Laser |
| D. | CO<sub>2</sub> Laser |
| Answer» B. Photo diode | |
| 13. |
Which laser is used in Laser dopller blood flowmeter? |
| A. | Nd-YAG |
| B. | Argon |
| C. | He-Ne |
| D. | CO<sub>2</sub> |
| Answer» D. CO<sub>2</sub> | |
| 14. |
What is power of laser light used in Laser Doppler Blood flowmeter? |
| A. | 2 mW |
| B. | 3 mW |
| C. | 4 mW |
| D. | 5 mW |
| Answer» E. | |
| 15. |
What is the effective radiation penetration depth in soft tissue? |
| A. | 1 mm |
| B. | 2 mm |
| C. | 3 mm |
| D. | 4 mm |
| Answer» B. 2 mm | |
| 16. |
Which of the following instrument is used to measure blood flow in skin? |
| A. | NMR Blood Flowmeter |
| B. | Ultrasonic Blood Flowmeter |
| C. | Electromagnetic Blood Flowmeter |
| D. | Laser Doppler Blood Flowmeter |
| Answer» E. | |