Biomedical Quiz
Preview:
What is used to display EMG waveforms?
A. a) Cathode Ray Oscilloscope
B. b) Analog storage Oscilloscope
C. c) Digital Oscilloscope
D. d) Dual-beam Oscilloscope
What is the value of the refractory period from the previously identified QRS complex?
A. a) 200 ms
B. b) 198 ms
C. c) 192 ms
D. d) 215 ms
A model of the normal QRS complex, called ___________
A. a) ECG model
B. b) QRS model
C. c) Template
D. d) Detection model
What is the typical range of EMG signals?
A. a) 0.025 to 0.050 mV
B. b) 0.050 to 0.1 mV
C. c) 0.1 to 0.5 mV
D. d) 0.5 to 1 mV
nterruption or interference with normal physiological and developmental processes or structures is called _________
A. a) Functional Limitation
B. b) Pathophysiology
C. c) Societal Limitation
D. d) Modality-Specific
For how much time period, the weighting factors are updated to allow for quick adaptation to signal quality changes?
A. a) Every 192 ms
B. b) Every 16 ms
C. c) Every 215 ms
D. d) Every 200 ms
If the height of the P wave is X, then the height of the R wave is _____
A. a) X/32
B. b) 32/X
C. c) X/16
D. d) 32X
What should be CMRR of preamplifier upto 5 Khz?
A. a) 10 dB
B. b) 30 dB
C. c) 90 dB
D. d) greater than 90 dB
Which of the following instrument is used for recording the electrical activity of the muscles?
A. a) ECG
B. b) EMG
C. c) PCG
D. d) EEG
Which of the following is not a soft tissue?
A. a) ligament
B. b) bone
C. c) tendons
D. d) skin
EMG is recorded by using surface electrodes.
A. a) True
B. b) False
Which of the following is used for measuring emf between plates of transducers?
A. a) Low impedance voltmeter
B. b) High impedance voltmeter
C. c) Any voltmeter
D. d) None of the mentioned
Electromechanical system can be used for measuring vibration.
A. a) True
B. b) False
The heart rate is computed by averaging the most recent _________________
A. a) 12 P waves
B. b) 12 R-R intervals
C. c) 12 QRS complex
D. d) 12 R waves
Which of the following quantities are sensitive to electromechanical flow meters?
A. a) Viscosity
B. b) Density
C. c) Temperature
D. d) None of the mentioned
