Category: Biomedical Engineering

Latest multiple choice questions with answers for biomedical engineering students.

Biomedical Engineering MCQs [Quiz 33]

Q1. _____ is non-invasive method allowing the monitoring of the saturation of a patient’s hemoglobin.
a) Ear Oximetry
b) Pulse Oximetry
c) Skin-Reflectance Oximetry
d) Intravascular Oximetry

Q2. A = log I0/I,where I0 is_____
a) Incident light Intensity
b) Transmitted light Intensity
c) Extinction coefficient
d) Concentration

Q3. A = ɛDC, where ɛ is _______
a) Incident light Intensity
b) Transmitted light Intensity
c) Extinction coefficient
d) Concentration

Q4. A pulse oximeter shows the percentage of venous hemoglobin in the oxyhemoglobin (HbO2) and hemoglobin (Hb).
a) True
b) False

Q5. What is used as a photodetector in pulse oximetry?
a) Phototransistor
b) Solar cell
c) Photodiode
d) Photographic plates

Q6. What is the wavelength of the red LED in pulse oximetry?
a) 660 nm
b) 740 nm
c) 905 nm
d) 950 nm

Q7. What is the wavelength of infrared LED in pulse oximetry?
a) 660 nm
b) 740 nm
c) 905 nm
d) 950 nm

Q8. A pulse oximeter is useful in any setting where a patients oxygenation is unstable.
a) True
b) False

Q9. Portable pulse oximeters are useful for ______ whose oxygen levels may decrease at high altitude.
a) Athlete
b) Swimmer
c) Mountain climber
d) Fisher

Q10. ______ is very useful for patients having respiratory or cardiac problems because of their simplicity of use and the ability to provide continuous and immediate oxygen saturation levels.
a) Pulse Oximeter
b) Ear Oximeter
c) Skin Reflactance Oximeter
d) Intravascular Oximeter

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