BIOMEDICAL MCQ Quiz
Preview:
Skin Reflectance oximeter depends on monitoring backscattered lights in how many wavelengths?
A. A.1
B. B.2
C. C.3
D. D.4
In floating electrodes metal electrode does not make direct contact with the skin.
A. a) True
B. b) False
The branch of medicine that deals with the provision and use of artificial devices such as splints and braces is _________
A. a) prosthetics
B. b) orthotics
C. c) laproscopic
D. d) augmentative communication
A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40Ω. For an increase in 300c to350c what will be the final resistance value?
A. a) 40 KΩ
B. b) 4 KΩ
C. c) 40 Ω
D. d) 400 Ω
Normal EEG frequency range is _______
A. a) 50-500Hz
B. b) 0.5-50HZ
C. c) 0.05-5Hz
D. d) 1-200Hz
Resistive transducers are ______________
A. a)Primary transducers
B. b) Secondary transducers
C. c) Either primary or secondary
D. d) None of the mentioned
What are used as light source in Skin Reflectance Oximeter?
A. a) Photodiode
B. b) Red and infrared LED’s
C. c) Flashtube
D. d) Arc Lamp
Which technique is used to derive an integrated rate of the foetus heart from blood flow signals and to display it on a suitable display system?
A. a) Abdominal Foetal Electrocardiogram
B. b) Foetal Phonocardiogram
C. c) Ultrasound
D. d) Foetal ECG with scalp electrode
Letter F in the EEG electrode placement system denotes?
A. a) front
B. b) face
C. c) frontal lobe
D. d) fast
Which rhythm is the principal component of the EEG that indicates the alertness of the brain?
A. a) theta rhythm
B. b) gamma rhythm
C. c) beta rhythm
D. d) alpha rhythm
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
The delta wave in EEG ranges from ___________
A. a) 0.5-4Hz
B. b) 4-8Hz
C. c) 8-13Hz
D. d) 13-22Hz
Bandpass filter used in foetal phonocardiogram rejects all frequencies outside the ________ Hz range.
A. a) 0-40
B. b) 40-80
C. c) 70-110
D. d) 110-150
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 measured using change in resistivity?
A. a)Temperature
B. b) Visible radiation
C. c) Moisture content
D. d) All of the mentioned
Which of the following instrument is used to measure the oxygen saturation level of blood in localized areas of oxygen?
A. a) Ear Oximeter
B. b) Pulse Oximeter
C. c) Skin reflectance Oximeter
D. d) Intravascular Oximeter
How many sounds are produced from the normal foetal heart action?
A. a) 1
B. b) 2
C. c) 3
D. d) 4
What is ultrasonic frequency employed for obstetric studies?
A. a) 0.5 to 1 MHz
B. b) 1 to 1.5 MHz
C. c) 1.5 to 2 MHz
D. d) 2 to 2.5 MHz
The blood is a poor conductor of electricity.
A. a) True
B. b) False
Electrodes to measure EEG are placed on ________
A. a) forehead
B. b) scalp
C. c) cheek
D. d) ears
The frequency range of ECG is ____________
A. a) 0.05-150 HZ
B. b) 500-1500 Hz
C. c) 5-500 kHz
D. d) 0.5-150 MHz
What is incorporated in sensor to warm the tissue so as to increase local blood flow?
A. a) heater
B. b) heating plate
C. c) thermostat
D. d) thermometer
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
The volume of blood within the dialyzer is known as ___________
A. a) secondary volume
B. b) quarterly volume
C. c) priming volume
D. d) residual volume
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
Disclaimer:
Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.