This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on “Biomedical Instrumentation”.
1. Which of the following is used as a display device to produce a permanent record of data?
a) 7 segment display
b) Pen recorder
c) Electrode
d) Needle
View Answer
Explanation: Pen recorder is the display device used as a display device to produce a permanent record of data.
2. Resting potential has a magnitude of_____________
a) 70 mV
b) -70 mV
c) 20 mV
d) -20 mV
View Answer
Explanation: Resting potential has a magnitude of -70 mV.
3. Which of the following represents action potential?
a) 70 mV
b) -70 mV
c) 20 mV
d) -20 mV
View Answer
Explanation: Action potential has a magnitude of 20 mV.
4. Signals generated by body signal is known as _______________
a) Ionic voltage
b) Monitory signal
c) Magnetic signal
d) None of the mentioned
View Answer
Explanation: Electric signals generated by the human body is known as ionic voltage or bio electric potential.
5. Resting potential is always negative.
a) True
b) False
View Answer
Explanation: Value of resting potential is always negative.
6. Which of the following shows resting potential?
a) Depolarised cell
b) Polarised cell
c) Ionic cell
d) Resting cell
View Answer
Explanation: Body cell which showing resting potential is known as a polarised cell.
7. Which of the following represents re polarisation in action potential wave?
a) Zero slop
b) Positive slop
c) Negative slop
d) None of the mentioned
View Answer
Explanation: Negative slop region in action potential wave represents re polarisation.
8. Process of changing resting potential to action potential is known as _______________
a) Polarization
b) Re polarization
c) Depolarization
d) Uni polarization
View Answer
Explanation: Depolarization is the process of changing from resting potential to action potential.
9. Action potential is varying over the cell.
a) True
b) False
View Answer
Explanation: For every cell action potential is always the same which is described by all or nothing law.
10. Which of the following have higher action potential propagation rate?
a) Nerve cell
b) Heart muscle
c) Thigh muscle
d) All of the mentioned
View Answer
Explanation: Nerve cell have a higher rate of propagation for action potential( 20-140 m/s).
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