MCQOPTIONS
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MCQOPTIONS
This section includes 23 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. |
The RDW index is expressed by which of the following equation? |
| A. | [(20th – 80th) Percentile Volume / (20th + 80th) Percentile Volume] X 100 X K |
| B. | [(20th + 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K |
| C. | [(20th – 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K |
| D. | [(20th + 80th) Percentile Volume / (20th + 80th) Percentile Volume] X 100 X K |
| Answer» B. [(20th + 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K | |
| 2. |
For estimating SO2, usually reflectance at ________ wavelengths are used. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 3. |
What is used in modern instrument for intravascular oximetry? |
| A. | photodiode |
| B. | red and infrared LED’s |
| C. | optical fibre |
| D. | phototransistor |
| Answer» D. phototransistor | |
| 4. |
The percentage of the total specimen volume occupied by the platelets is called ____________ |
| A. | Platelet Distribution Width |
| B. | Red Cell Distribution Width |
| C. | Plateletcrit |
| D. | Mean Platelet Volume |
| Answer» D. Mean Platelet Volume | |
| 5. |
Normal mean cell haemoglobin is 29.5 ± 2.5 pg. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Normal mean red cell volume is _____________ |
| A. | 6 ± 10 f/l |
| B. | 16 ± 10 f/l |
| C. | 86 ± 10 f/l |
| D. | 56 ± 10 f/l |
| Answer» D. 56 ± 10 f/l | |
| 7. |
Neutrophills are concerned __________ and lymphocytes are concerned with __________ |
| A. | ingestion of bacteria, immunological responses |
| B. | production of bacteria, electrical responses |
| C. | electrical responses, production of bacteria |
| D. | immunological responses, ingestion of bacteria |
| Answer» B. production of bacteria, electrical responses | |
| 8. |
What is the shape of Leucocytes? |
| A. | Cubic |
| B. | Cuboid |
| C. | Spherical |
| D. | Hollow |
| Answer» D. Hollow | |
| 9. |
THE_PERCENTAGE_OF_THE_TOTAL_SPECIMEN_VOLUME_OCCUPIED_BY_THE_PLATELETS_IS_CALLED______?$ |
| A. | Platelet Distribution Width |
| B. | Red Cell Distribution Width |
| C. | Plateletcrit |
| D. | Mean Platelet Volume |
| Answer» D. Mean Platelet Volume | |
| 10. |
For estimating SO2, usually reflectance at ________ wavelengths are used.$ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 11. |
What is used in modern instrument for intravascular oximetry?$ |
| A. | photodiode |
| B. | red and infrared LED’s |
| C. | optical fibre |
| D. | phototransistor |
| Answer» D. phototransistor | |
| 12. |
The RDW index is expressed by which of the following equation ? |
| A. | [ ( 20th – 80th ) Percentile Volume / ( 20th + 80th ) Percentile Volume ] X 100 X K |
| B. | [ ( 20th + 80th ) Percentile Volume / ( 20th – 80th ) Percentile Volume ] X 100 X K |
| C. | [ ( 20th – 80th ) Percentile Volume / ( 20th – 80th ) Percentile Volume ] X 100 X K |
| D. | [ ( 20th + 80th ) Percentile Volume / ( 20th + 80th ) Percentile Volume ] X 100 X K |
| Answer» B. [ ( 20th + 80th ) Percentile Volume / ( 20th ‚Äö√Ñ√∂‚àö√ë‚àö¬® 80th ) Percentile Volume ] X 100 X K | |
| 13. |
What is used to measure mix venous saturation? |
| A. | Ear Oximeter |
| B. | Pulse Oximeter |
| C. | Skin Reflectance Oximeter |
| D. | Intravascular Oximeter |
| Answer» E. | |
| 14. |
How many wavelengths are utilized by currently available oximeters? |
| A. | More than 2 |
| B. | Less than 2 |
| C. | Equal to 2 |
| D. | Cannot be determined |
| Answer» B. Less than 2 | |
| 15. |
Normal mean cell haemoglobin is 29.5 ± 2.5 pg?# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
Normal mean red cell volume is _____________ |
| A. | 6 ± 10 f/l |
| B. | 16 ± 10 f/l |
| C. | 86 ± 10 f/l |
| D. | 56 ± 10 f/l |
| Answer» D. 56 ¬¨¬®¬¨¬± 10 f/l | |
| 17. |
_________ is the ratio of the integrated platelet volume to the platelet count and is expressed in femolitres. |
| A. | Mean Platelet Volume |
| B. | Platelet Distribution Width |
| C. | Red Cell Distribution Width |
| D. | Mean Cell Haemoglobin Concentration |
| Answer» B. Platelet Distribution Width | |
| 18. |
Which of the following option is correct in terms of size? |
| A. | Monocytes > Neutrophils > RBC > lymphocytes |
| B. | Monocytes > Neutrophils > RBC >= lymphocytes |
| C. | Monocytes < Neutrophils < RBC < lymphocytes |
| D. | Monocytes =< Neutrophils < RBC < lymphocytes |
| Answer» C. Monocytes < Neutrophils < RBC < lymphocytes | |
| 19. |
Neutrophils are smaller than the red cells. |
| A. | True |
| B. | False |
| Answer» C. | |
| 20. |
Neutrophills are concerned __________ and lymphocytes are concerned with __________ |
| A. | ingestion of bacteria, immunological responses |
| B. | production of bacteria, electrical responses |
| C. | electrical responses, production of bacteria |
| D. | immunological responses, ingestion of bacteria |
| Answer» B. production of bacteria, electrical responses | |
| 21. |
Leucocytes form the defence mechanism of the body against infection. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 22. |
Life span of leucocytes is _____________ |
| A. | 3 – 4 weeks |
| B. | 7 – 14 days |
| C. | 9 – 10 months |
| D. | 7 – 14 years |
| Answer» C. 9 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10 months | |
| 23. |
What is the shape of Leucocytes ? |
| A. | Cubic |
| B. | cuboid |
| C. | Shperical |
| D. | Hollow |
| Answer» D. Hollow | |