Explore topic-wise MCQs in Biomedical Instrumentation.

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