MCQOPTIONS
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MCQOPTIONS
This section includes 24 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. |
Air cored electromagnets are used in probes having a diameter _________ |
| A. | between 0.5 to 1 mm |
| B. | between 1 to 2 mm |
| C. | below 8.2 mm |
| D. | above 8.2 mm |
| Answer» E. | |
| 2. |
The cable from the transducer to an instrument is sleeved with medical grade silicon rubber. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
To protect probe from chemical attack, it must be encapsulated in silicon rubber. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Iron cored electromagnets are used in probes having a diameter between ______ |
| A. | 0.1 to 1 mm |
| B. | 1 to 8.2 mm |
| C. | 8.2 to 10 mm |
| D. | 10 to 15 mm |
| Answer» C. 8.2 to 10 mm | |
| 5. |
What is velocity for the cardiovascular system taken for designing the probe? |
| A. | 5 cm/s |
| B. | 10 cm/s |
| C. | 15 cm/s |
| D. | 20 cm/s |
| Answer» D. 20 cm/s | |
| 6. |
What is the average flow velocity in veins? |
| A. | 5 to 10 cm/s |
| B. | 10 to 12 cm/s |
| C. | 12 to 18 cm/s |
| D. | 20 to 25 cm/s |
| Answer» C. 12 to 18 cm/s | |
| 7. |
The average flow velocity appears to be _______ cm/s in arteries. |
| A. | 5 to 10 |
| B. | 10 to 12 |
| C. | 12 to 18 |
| D. | 20 to 25 |
| Answer» E. | |
| 8. |
The operating principle underlying all electromagnetic type flowmeters is based upon Kirchoff’s law. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Magnitude of voltage picked up is denoted as e = CHVd, where C is __________ |
| A. | velocity of blood flow |
| B. | strength of magnetic field |
| C. | diameter of blood vessel |
| D. | constant of proportionality |
| Answer» D. constant of proportionality | |
| 10. |
Magnitude of voltage picked up is denoted as e = CHVd, where H is ___________ |
| A. | velocity of blood flow |
| B. | strength of magnetic field |
| C. | diameter of blood vessel |
| D. | constant of proportionality |
| Answer» C. diameter of blood vessel | |
| 11. |
WHAT_IS_THE_AVERAGE_FLOW_VELOCITY_IN_VEINS??$ |
| A. | 5 to 10 cm/s |
| B. | 10 to 12 cm/s |
| C. | 12 to 18 cm/s |
| D. | 20 to 25 cm/s |
| Answer» C. 12 to 18 cm/s | |
| 12. |
Iron cored electromagnets are used in probes having a diameter between ______$ |
| A. | 0.1 to 1 mm |
| B. | 1 to 8.2 mm |
| C. | 8.2 to 10 mm |
| D. | 10 to 15 mm |
| Answer» C. 8.2 to 10 mm | |
| 13. |
What_is_velocity_for_the_cardiovascular_system_taken_for_designing_the_probe?$ |
| A. | 5 cm/s |
| B. | 10 cm/s |
| C. | 15 cm/s |
| D. | 20 cm/s |
| Answer» D. 20 cm/s | |
| 14. |
What is range of FHR measurement due to substitution logic? |
| A. | 0-200 bpm |
| B. | 40-240 bpm |
| C. | 20-220 bpm |
| D. | 60-260 bpm |
| Answer» C. 20-220 bpm | |
| 15. |
Air cored electromagnets are used in probes having a diameter _____ |
| A. | between 0.5 to 1 mm |
| B. | between 1 to 2 mm |
| C. | below 8.2 mm |
| D. | above 8.2 mm |
| Answer» E. | |
| 16. |
The cable from the transducer to instrument is sleeved with medical grade silicon rubber. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
To_protect_probe_from_chemical_attack,_it_must_be_encapsulated_in_a_silicon_rubber. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 18. |
The average flow velocity appears to be _______ cm/s in arteries? |
| A. | 5 to 10 |
| B. | 10 to 12 |
| C. | 12 to 18 |
| D. | 20 to 25 |
| Answer» E. | |
| 19. |
The operating principle underlying all electromagnetic type flowmeters is based upon Kirchoff’s law.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 20. |
What is the external diameter of flow heads? |
| A. | 0.5 mm |
| B. | 1 mm |
| C. | 1.5 mm |
| D. | 2 mm |
| Answer» C. 1.5 mm | |
| 21. |
The induced emf is picked by point electrodes made from ______ in electromagnetic blood flowmeter. |
| A. | copper |
| B. | graphite |
| C. | platinium |
| D. | copper tungsten |
| Answer» D. copper tungsten | |
| 22. |
Magnitude of voltage picked up is denoted as e = CHVd ,where H is ___________ |
| A. | velocity of blood flow |
| B. | strength of magnetic field |
| C. | diameter of blood vessel |
| D. | constant of proprtionality |
| Answer» C. diameter of blood vessel | |
| 23. |
Which of the following instrument is most commonly used for measurement of blood flow? |
| A. | NMR Blood Flowmeter |
| B. | Ultrasonic Blood Flowmeter |
| C. | Electromagnetic Blood Flowmeter |
| D. | Laser Doppler Blood Flowmeter |
| Answer» D. Laser Doppler Blood Flowmeter | |
| 24. |
Which of the following physiological parameter is most difficult to measure accurately? |
| A. | Blood pressure |
| B. | Blood Flow |
| C. | Blood Volume |
| D. | Skin color |
| Answer» C. Blood Volume | |