Explore topic-wise MCQs in Biomedical Instrumentation.

This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.

1.	What is the typical frequency range of standard EEG machines?
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
Answer» D. 70 to 140 Hz

Discussion

2.	What is the typical value of the calibration signal?
A.	10 uV/cm
B.	30 uV/cm
C.	50 uV/cm
D.	70 uV/cm
Answer» D. 70 uV/cm

Discussion

3.	Where is the reference electrode placed?
A.	nasal
B.	cervical
C.	forehead
D.	facial
Answer» D. facial

Discussion

4.	A pattern of electrodes on the head and the channels they are connected to are __________
A.	Amplifiers
B.	Oscilloscope
C.	Montage
D.	Wires
Answer» D. Wires

Discussion

5.	EEG signals picked up by surface electrodes are usually small as compared to ECG.
A.	True
B.	False
Answer» B. False

Discussion

6.	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.
A.	Monopolar
B.	Bipolar
C.	Unipolar
D.	Nonpolar
Answer» B. Bipolar

Discussion

7.	Which of the following is material is used to improve electrical contact?
A.	Silver Tungsten
B.	Electrode jelly
C.	Silver Graphite
D.	Copper Tungsten
Answer» C. Silver Graphite

Discussion

8.	_______ is the superimposed wave of neuron potentials operating in a non-synchrronized manner in a physical sense.
A.	VCG
B.	ECG
C.	EEG
D.	PCG
Answer» D. PCG

Discussion

9.	EEG_SIGNALS_PICKED_UP_BY_SURFACE_ELECTRODES_ARE_USUALLY_SMALL_AS_COMPARED_TO_ECG.?$
A.	True
B.	False
Answer» B. False

Discussion

10.	Where is reference electrode placed?$
A.	nasal
B.	cervical
C.	forehead
D.	facial
Answer» D. facial

Discussion

11.	A_pattern_of_electrodes_on_the_head_and_the_channels_they_are_connected_to_are___________$
A.	Amplifiers
B.	Oscilloscope
C.	Montage
D.	Wires
Answer» D. Wires

Discussion

12.	What is typical frequency range of standard EEG machines?
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
Answer» D. 70 to 140 Hz

Discussion

13.	EEG machines have notch filter sharply tuned at _______ Hz as to eliminate mains frequency interference.
A.	10
B.	30
C.	50
D.	70
Answer» D. 70

Discussion

14.	Preamplifiers used in electroencephalograph have high gain and low noise characteristics.
A.	True
B.	False
Answer» B. False

Discussion

15.	What_is_typical_value_of_calibration_signal?
A.	10 uV/cm
B.	30 uV/cm
C.	50 uV/cm
D.	70 uV/cm
Answer» D. 70 uV/cm

Discussion

16.	How is bipolar recording done?
A.	Omni channel EEG
B.	Multi channel EEG
C.	Uni Channel EEG
D.	Non Channel EEG
Answer» C. Uni Channel EEG

Discussion

17.	Voltage difference between an active electrode on scalp with respect to reference electrode at ear lobe or any other part of body is known as ___________ recording.
A.	Monopolar
B.	Bipolar
C.	Unipolar
D.	Nonpolar
Answer» B. Bipolar

Discussion

18.	What are generally designed to have a very high value of input impedance to take care of high electrode impedance?
A.	Montages
B.	Electrodes
C.	Preamplifiers
D.	Filters
Answer» D. Filters

Discussion

19.	Whose electrodes give high skin impedance as compared to ECG?
A.	VCG
B.	PCG
C.	EMG
D.	EEG
Answer» E.

Discussion

20.	Which of the following is a material is used to improve electrical contact?
A.	Silver Tungsten
B.	Electrode jelly
C.	Silver Graphite
D.	Copper Tungsten
Answer» C. Silver Graphite

Discussion

21.	_______ is the superimposed wave of neuron potentials operating in a non-synchrronized manner in physical sense.
A.	VCG
B.	ECG
C.	EEG
D.	PCG
Answer» D. PCG

Discussion

22.	EEG electrodes are larger in size than ECG electrodes.
A.	True
B.	False
Answer» C.

Discussion

23.	Which of the following instrument is used for recording the electrical activity of the brain?
A.	ECG
B.	EMG
C.	PCG
D.	EEG
Answer» E.

Discussion

Explore topic-wise MCQs in Biomedical Instrumentation.

What is the typical frequency range of standard EEG machines?

What is the typical value of the calibration signal?

Where is the reference electrode placed?

A pattern of electrodes on the head and the channels they are connected to are __________

EEG signals picked up by surface electrodes are usually small as compared to ECG.

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.

Which of the following is material is used to improve electrical contact?

_______ is the superimposed wave of neuron potentials operating in a non-synchrronized manner in a physical sense.

EEG_SIGNALS_PICKED_UP_BY_SURFACE_ELECTRODES_ARE_USUALLY_SMALL_AS_COMPARED_TO_ECG.?$

Where is reference electrode placed?$

A_pattern_of_electrodes_on_the_head_and_the_channels_they_are_connected_to_are___________$

What is typical frequency range of standard EEG machines?

EEG machines have notch filter sharply tuned at _______ Hz as to eliminate mains frequency interference.

Preamplifiers used in electroencephalograph have high gain and low noise characteristics.

What_is_typical_value_of_calibration_signal?

How is bipolar recording done?

Voltage difference between an active electrode on scalp with respect to reference electrode at ear lobe or any other part of body is known as ___________ recording.

What are generally designed to have a very high value of input impedance to take care of high electrode impedance?

Whose electrodes give high skin impedance as compared to ECG?

Which of the following is a material is used to improve electrical contact?

_______ is the superimposed wave of neuron potentials operating in a non-synchrronized manner in physical sense.

EEG electrodes are larger in size than ECG electrodes.

Which of the following instrument is used for recording the electrical activity of the brain?