MCQOPTIONS
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MCQOPTIONS
This section includes 21 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. |
Ear oximeter instrument is based on Beer-Lambert law. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
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 | |
| 3. |
Merrick and Hayes (1976) describe details of a _________ oximeter which enables the measurement of oxygen saturation of blood. |
| A. | Pulse |
| B. | Ear |
| C. | Skin Reflactance |
| D. | Intravascular |
| Answer» C. Skin Reflactance | |
| 4. |
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 | |
| 5. |
Blood in _________ must be made similar to arterial Blood in composition. |
| A. | heart |
| B. | brain |
| C. | ear |
| D. | eyes |
| Answer» D. eyes | |
| 6. |
Which principle is used by ear oximeter usually? |
| A. | in vivo |
| B. | transmission |
| C. | reflection |
| D. | in vitro |
| Answer» C. reflection | |
| 7. |
When blood is withdrawn from the subject under anaerobic conditions and measurement for oxygen saturation is made at a later time in the laboratory, the procedure is referred to as _________ oximetry. |
| A. | in vitro |
| B. | in vivo |
| C. | transmission |
| D. | reflection |
| Answer» B. in vivo | |
| 8. |
What does red blood cells contain for combining with a large volume of oxygen? |
| A. | Proteins |
| B. | Haemoglobin |
| C. | Lipids |
| D. | Platelets |
| Answer» C. Lipids | |
| 9. |
BY_KEEPING_THE_EAR_WARM,MAXIMUM_VASODILATATION_IS_ACHIEVED.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Merrick and Hayes (1976) describe details of an _________ oximeter which enables the measurement of$ |
| A. | |
| B. | Pulse |
| C. | Ear |
| Answer» C. Ear | |
| 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. |
Ear oximeter instrument is based on Beer- Lambert law. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
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 | |
| 14. |
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 | |
| 15. |
Blood in _________ must be made similar to arterial Blood in composition? |
| A. | heart |
| B. | brain |
| C. | ear |
| D. | eyes |
| Answer» D. eyes | |
| 16. |
For discrete blood samples, a spectrophotometric measurement of oxygen saturation can be made by which method? |
| A. | in vitro |
| B. | in vivo |
| C. | transmission |
| D. | cannot be determined |
| Answer» D. cannot be determined | |
| 17. |
When blood is withdrawn from the subject under anaerobic conditions and measurement for oxygen saturation is made at a later time in the laboratory, the procedure is referred to as _________ |
| A. | |
| B. | in vitro |
| C. | in vivo |
| Answer» B. in vitro | |
| 18. |
How much quantity of oxygen bound with haemoglobin in the normal arterial blood? |
| A. | 20.3ml % |
| B. | 21.5ml % |
| C. | 19.4ml % |
| D. | 20.1ml % |
| Answer» D. 20.1ml % | |
| 19. |
What does red blood cells contain for combining with large volume of oxygen? |
| A. | Proteins |
| B. | Haemoglobin |
| C. | Lipids |
| D. | Platelets |
| Answer» C. Lipids | |
| 20. |
Liquid part of blood is __________ |
| A. | Platelets |
| B. | Red Blood Cells |
| C. | White Blood Cells |
| D. | Plasma |
| Answer» E. | |
| 21. |
Which gas saturation is of great importance in clinical practice? |
| A. | oxygen |
| B. | carbon dioxide |
| C. | hydrogen |
| D. | nitrogen |
| Answer» B. carbon dioxide | |