MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 used as a light source in ear oximeter? |
| A. | Mercury-vapor lamp |
| B. | Sodium-vapor lamp |
| C. | Tungsten-iodine lamp |
| D. | Sulfur lamp |
| Answer» D. Sulfur lamp | |
| 2. |
The percentage of functional haemoglobin combined with oxygen is expressed as ______ |
| A. | (concentration of oxyhaemoglobin/{concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 |
| B. | (concentration of deoxyhaemoglobin/{concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 |
| C. | ({concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin}/concentration of deoxyhaemoglobin)*100 |
| D. | ({concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin}/concentration of oxyhaemoglobin)*100 |
| Answer» B. (concentration of deoxyhaemoglobin/{concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 | |
| 3. |
Ear oximeter instrument is based on Beer- Lambert law. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Merrick and Hayes (1976) describe details of a __________ oximeter which enables the measurement of oxygen saturation of the blood. |
| A. | Pulse |
| B. | Ear |
| C. | Skin Reflectance |
| D. | Intravascular |
| Answer» C. Skin Reflectance | |
| 5. |
THE_PERCENTAGE_OF_FUNCTIONAL_HAEMOGLOBIN_COMBINED_WITH_OXYGEN_IS_EXPRESSED_AS_______?$ |
| A. | (concentration of oxyhaemoglobin/{ concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 |
| B. | (concentration of deoxyhaemoglobin/{ concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 |
| C. | ( { concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin}/concentration of deoxyhaemoglobin)*100 |
| D. | ({ concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin}/concentration of oxyhaemoglobin)*100 |
| Answer» B. (concentration of deoxyhaemoglobin/{ concentration of oxyhaemoglobin+ concentration of deoxyhaemoglobin})*100 | |
| 6. |
What_is_used_as_light_source_in_ear_oximeter?$ |
| A. | Mercury-vapor lamp |
| B. | Sodium-vapor lamp |
| C. | Tungsten-iodine lamp |
| D. | Sulfur lamp |
| Answer» D. Sulfur lamp | |
| 7. |
Ear oximeter instrument is based on Beer- Lambert law? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Ear probe which connects the patient to instrument is __________ m long. |
| A. | 1.5 |
| B. | 2.0 |
| C. | 2.5 |
| D. | 3.0 |
| Answer» D. 3.0 | |
| 9. |
This technique involves measuring the optical transmittance of the ear at how many wavelengths? |
| A. | 12 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» D. 10 | |
| 10. |
Merrick and Hayes (1976) describe details of an __________ oximeter which enables the measurement of oxygen saturation of blood. |
| A. | Pulse |
| B. | Ear |
| C. | Skin Reflectance |
| D. | Intravascular |
| Answer» C. Skin Reflectance | |
| 11. |
What is time taken for the ear to become fully dilated after ear unit has been placed? |
| A. | 5-10 min |
| B. | 10-15 min |
| C. | 15-20 min |
| D. | 20-25 min |
| Answer» B. 10-15 min | |
| 12. |
By keeping the ear warm, maximum vasodilatation is achieved. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Blood in ___________ must be made similar to arterial Blood in composition. |
| A. | heart |
| B. | brain |
| C. | ear |
| D. | eyes |
| Answer» D. eyes | |
| 14. |
Which principle is used by ear oximeter usually? |
| A. | in vivo |
| B. | transmission |
| C. | reflection |
| D. | in vitro |
| Answer» C. reflection | |