Biomedical Instrumentation Measurement Heart Rate Online Exam Quiz
Biomedical Instrumentation Measurement Heart Rate GK Quiz. Question and Answers related to Biomedical Instrumentation Measurement Heart Rate. MCQ (Multiple Choice Questions with answers about Biomedical Instrumentation Measurement Heart Rate
What is the typical frequency range of standard EEG machines?
Options
A : 0.025 to 0.05 Hz
B : 0.05 to 0.1 Hz
C : 0.1 to 70 Hz
D : 70 to 140 Hz
EEG machines have notch filter sharply tuned at _______ Hz as to eliminate mains frequency interference.
Options
A : 10
B : 30
C : 50
D : 70
What is the typical value of the calibration signal?
Options
A : 10 uV/cm
B : 30 uV/cm
C : 50 uV/cm
D : 70 uV/cm
A pattern of electrodes on the head and the channels they are connected to are __________
Options
A : Amplifiers
B : Oscilloscope
C : Montage
D : Wires
Which of the following instrument is used for recording the electrical activity of the brain?
Options
A : ECG
B : EMG
C : PCG
D : EEG
Voltage difference between an active electrode on the scalp with respect to reference electrode at ear lobe or any other part of body is known as ___________ recording.
Options
A : Monopolar
B : Bipolar
C : Unipolar
D : Nonpolar
What are generally designed to have a very high value of input impedance to take care of high electrode impedance?
Options
A : Montages
B : Electrodes
C : Preamplifiers
D : Filters
Where is the reference electrode placed?
Options
A : nasal
B : cervical
C : forehead
D : facial
How is bipolar recording done?
Options
A : Omni channel EEG
B : Multi channel EEG
C : Uni Channel EEG
D : Non Channel EEG
Which of the following is material is used to improve electrical contact?
Options
A : Silver Tungsten
B : Electrode jelly
C : Silver Graphite
D : Copper Tungsten
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