BIOMEDICAL MCQ Quiz
Preview:
Normal EEG frequency range is _______
A. a) 50-500Hz
B. b) 0.5-50HZ
C. c) 0.05-5Hz
D. d) 1-200Hz
The blood is a poor conductor of electricity.
A. a) True
B. b) False
What is range of ultrasonic energy transmitted into the body?
A. a) 0-5 mW/cm2
B. b) 5-10 mW/cm2
C. c) 10-15 mW/cm2
D. d) 15-20 mW/cm2
Electrodes to measure EEG are placed on ________
A. a) forehead
B. b) scalp
C. c) cheek
D. d) ears
How many sounds are produced from the normal foetal heart action?
A. a) 1
B. b) 2
C. c) 3
D. d) 4
Which of the following amplifier circulatory is employed to reduce the hum noise generated by the power supply in the ECG circuit?
A. a) band pass filters
B. b) high pass filters
C. c) notch filters
D. d) low pass filters
To achieve optimum performance and to enable the relationship of change in resistance with the volume of the cell to hold good, it is recommended that the ratio of the aperture length to the diameter of the aperture should be __________
A. a) 75:1
B. b) 0.75:100
C. c) 0.75:1
D. d) 0.5:10
The detected signals are processed in the form of photo – plethysmographs to determine ___________
A. a) SiO2
B. b) SO2
C. c) CO2
D. d) TiO2
Which of the following can be used to measure using thermistors?
A. a) Very low
B. b) In-between 100Ω and 1MΩ
C. c) Greater than 1MΩ
D. d) None of the mentioned
Which of the following instrument makes use of the Doppler shift principle?
A. a) Abdominal Foetal Electrocardiogram
B. b) Foetal Phonocardiogram
C. c) Foetus blood flow detector
D. d) Foetal ECG with scalp electrode
The delta wave in EEG ranges from ___________
A. a) 0.5-4Hz
B. b) 4-8Hz
C. c) 8-13Hz
D. d) 13-22Hz
The sensitivity of an electrocardiograph is typically set at 10 mm/mV.
A. a) True
B. b) False
Letter F in the EEG electrode placement system denotes?
A. a) front
B. b) face
C. c) frontal lobe
D. d) fast
Resistive transducers are ______________
A. a)Primary transducers
B. b) Secondary transducers
C. c) Either primary or secondary
D. d) None of the mentioned
According to the international 10/20 system to measure EEG, odd number denotes which side of the brain?
A. a) left
B. b) right
C. c) top
D. d) front