

MCQOPTIONS
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This section includes 16 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 factors has no significant influence on the measurement? |
A. | skin pigmentation |
B. | thickness |
C. | tissue |
D. | skin pigmentation, thickness and tissue |
Answer» E. | |
2. |
Oxygen saturation is estimated by _________ |
A. | ratio (R) of pulse-added red absorbance at 660 nm to the pulse-added infrared absorbances at 940 nm |
B. | ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 660 nm |
C. | ratio (R) of pulse-added red absorbance at 330 nm to the pulse-added infrared absorbances at 940 nm |
D. | ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 330 nm |
Answer» B. ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 660 nm | |
3. |
How many LED’s are used in Pulse oximeter probe? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
4. |
Which oximeter probe is in the picture? |
A. | Ear |
B. | Pulse |
C. | Skin Reflectance |
D. | Intravascular |
Answer» C. Skin Reflectance | |
5. |
Law obeyed by Pulse Oximeter is _______ |
A. | Lambert-Bouguer law |
B. | Beer ‘s law |
C. | Beer-Lambert law |
D. | Lamber-Bouguer, Beer’s and Beer-Lambert Law |
Answer» E. | |
6. |
Light passing through finger will be adsorbed by ___________(i) Skin Pigments(ii) Tissue(iii) Arteries(iv) Veins |
A. | (i) & (iii) |
B. | (ii) & (iv) |
C. | (i) & (ii) |
D. | (iii) & (iv) |
Answer» D. (iii) & (iv) | |
7. |
Pulse oximetry is used to measure the oxygen level in blood & heart rate. |
A. | True |
B. | False |
Answer» B. False | |
8. |
WHAT_FACTORS_HAS_NO_SIGNIFICANT_INFLUENCE_ON_THE_MEASUREMENT??$ |
A. | skin pigmentation |
B. | thickness |
C. | tissue |
D. | skin pigmentation, thickness and tissue |
Answer» E. | |
9. |
What gets affected by lower saturation? |
A. | blood flow |
B. | translucency |
C. | accuracy |
D. | low atmospheric pressure |
Answer» D. low atmospheric pressure | |
10. |
Oxygen saturation is estimated by ________? |
A. | ratio (R) of pulse-added red absorbance at 660 nm to the pulse-added infrared absorbances at 940 nm |
B. | ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 660 nm |
C. | ratio (R) of pulse-added red absorbance at 330 nm to the pulse-added infrared absorbances at 940 nm |
D. | ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 330 nm |
Answer» B. ratio (R) of pulse-added red absorbance at 940 nm to the pulse-added infrared absorbances at 660 nm | |
11. |
How many LED’s are used in Pulse oximeter probe?$ |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
12. |
Law obeyed by Pulse Oximeter is _______ |
A. | Lambert-Bouguer law |
B. | Beer ‘s law |
C. | Beer-Lambert law |
D. | Lamber-Bouguer, Beer’s and Beer-Lambert Law |
Answer» E. | |
13. |
How is the blood flow in arteries and arterioles? |
A. | plug |
B. | laminar |
C. | parabolic |
D. | pulsatile |
Answer» E. | |
14. |
Light passing through finger will be adsorbed by ___________ |
A. | Skin Pigments |
B. | Tissue |
C. | Arteries |
D. | Veins |
Answer» D. Veins | |
15. |
How many wavelengths are used by Pulse Oximeter? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |
16. |
Pulse oximetry is used to measure oxygen level in blood & heart rate. |
A. | True |
B. | False |
Answer» B. False | |