MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
What is incorporated in sensor to warm the tissue so as to increase local blood flow? |
| A. | heater |
| B. | heating plate |
| C. | thermostat |
| D. | thermometer |
| Answer» B. heating plate | |
| 2. |
The detected signals are processed in the form of photo – plethysmographs to determine ___________ |
| A. | SiO2 |
| B. | SO2 |
| C. | CO2 |
| D. | TiO2 |
| Answer» C. CO2 | |
| 3. |
The reflected light from the skin at wavelengths of 665nm(red) and 935nm(infrared) is detected by ______________ |
| A. | Photo diode |
| B. | Laser diode |
| C. | Silicon diode |
| D. | and 935nm(infrared) is detected by ______________a) Photo diodeb) Laser diodec) Silicon dioded) Zener diode |
| Answer» D. and 935nm(infrared) is detected by ______________a) Photo diodeb) Laser diodec) Silicon dioded) Zener diode | |
| 4. |
Who considered “Human tissues are composed of parallel semi-infinite layers of homogenous materials”. |
| A. | Cohen and Wadsworth |
| B. | Cohen and Logini |
| C. | Cohen |
| D. | Wadsworth |
| Answer» C. Cohen | |
| 5. |
Which of the following instrument is used to measure the oxygen saturation level of blood in localized areas of oxygen? |
| A. | Ear Oximeter |
| B. | Pulse Oximeter |
| C. | Skin reflectance Oximeter |
| D. | Intravascular Oximeter |
| Answer» D. Intravascular Oximeter | |
| 6. |
THE_DETECTED_SIGNALS_ARE_PROCESSED_IN_THE_FORM_OF_PHOTO_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®_PLETHYSMOGRAPHS_TO_DETERMINE____________?$# |
| A. | SiO<sub>2</sub> |
| B. | SO<sub>2</sub> |
| C. | CO<sub>2</sub> |
| D. | TiO<sub>2</sub> |
| Answer» C. CO<sub>2</sub> | |
| 7. |
What is incorporated in sensor to warm the tissue so as to increase local blood flow?$ |
| A. | heater |
| B. | heating plate |
| C. | thermostat |
| D. | thermometer |
| Answer» B. heating plate | |
| 8. |
The reflected light from the skin at wavelengths of 665nm(red) and 935nm(infrared) is detected by _____________? |
| A. | Photo diode |
| B. | Laser diode |
| C. | Silicon diode |
| D. | Zener diode |
| Answer» D. Zener diode | |
| 9. |
What are used as light source in Skin Reflectance Oximeter? |
| A. | Photodiode |
| B. | Red and infrared LED’s |
| C. | Flashtube |
| D. | Arc Lamp |
| Answer» C. Flashtube | |
| 10. |
What was utilized around the light source to enhance the signal? |
| A. | Photodiodes |
| B. | Optical Shied |
| C. | Ceramic Substrate |
| D. | Red and infrared LED’s |
| Answer» B. Optical Shied | |
| 11. |
Who has poorer signal-to-noise ratio? |
| A. | Transmission Pulse Oximeter |
| B. | Reflection Pulse Oximeter |
| C. | Ear Oximeter |
| D. | Pulse Oximeter |
| Answer» C. Ear Oximeter | |
| 12. |
Who considered “Human tissues are composed of parallel semi-infinite layers of homogenous materials”.$ |
| A. | Cohen and Wadsworth |
| B. | Cohen and Logini |
| C. | Cohen |
| D. | Wadsworth |
| Answer» C. Cohen | |
| 13. |
Who brought out the difficulties in the extraction of useful information from backscattered light intensity from human tissue? |
| A. | Cohen and Wadsworth |
| B. | Cohen and Logini |
| C. | Cohen |
| D. | Logini |
| Answer» B. Cohen and Logini | |
| 14. |
Skin Reflectance oximeter depends on monitoring backscattered lights in how many wavelengths? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 15. |
Which of the following instrument is used to measure oxygen saturation level of blood in localized areas of oxygen? |
| A. | Ear Oximeter |
| B. | Pulse Oximeter |
| C. | Skin reflectance Oximeter |
| D. | Intravascular Oximeter |
| Answer» D. Intravascular Oximeter | |