Biomedical Instruments Multiple Choice Questions and Answers for Practice

16. Which of the following represents action potential?

1. 70 mV
2. -70 mV
3. 20 mV
4. -20 mV

17. Which of the following represents re polarization in action potential wave?

1. Zero slop
2. Positive slop
3. Negative slop
4. None of the mentioned

18. Which of the following shows resting potential?

1. Depolarized cell
2. Polarized cell
3. Ionic cell
4. Resting cell

19. Who invented Tomography?

1. Radon
2. Josef Capek
3. Curie
4. Johnson

20. A femto farad is equal to

1. 10^-15 farad
2. 10^-10 farad
3. 10^-5 farad
4. 10¹⁰ farad

21. Acoustic wave in QCM meets minimum impedance when thickness of device is

1. Equal to wavelength of acoustic wave
2. Product of Half of wavelength of acoustic wave
3. Product of quarter of wavelength of acoustic wave
4. None of the mentioned

22. Action potential is varying over cell.

1. True Statement
2. False Statement

23. Attenuation rate may vary in fiber optic tomography.

1. True Statement
2. False Statement

24. BAW stands for

1. Bulk acoustic wave
2. Barrier acoustic wave
3. Barrier avoiding wave
4. Bulk activated wave

25. Changes in resonant frequency of QCM is proportional to

1. Mass accumulated in crystal
2. Crystal used
3. Time of usage
4. None of the mentioned

26. CT stands for

1. Controlled tomography
2. Computerized tomography
3. Converted tomography
4. Comparison tomography

27. Direction of acoustic wave in QCM will be

1. Same as crystal surface
2. Opposite to crystal surface
3. Perpendicular to crystal surface
4. None of the mentioned

28. ECT stands for

1. Electro cardio tomography
2. Electro capacitive tomography
3. Electro converging tomography
4. Electro Cornial tomography

29. EMT is working on the basis of

1. Mutual inductance
2. Current flow
3. Self inductance
4. None of the mentioned

30. Fiber optic tomography is used in particle size

1. Less than 10um
2. Less than 100um
3. Up to 1000nm
4. Up to 100nm