Medical Quiz

BIOMEDICAL MCQ Quiz


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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


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


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


In floating electrodes metal electrode does not make direct contact with the skin.

A. a) True

B. b) False


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


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


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


How many sounds are produced from the normal foetal heart action?

A. a) 1

B. b) 2

C. c) 3

D. d) 4


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


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


Letter F in the EEG electrode placement system denotes?

A. a) front

B. b) face

C. c) frontal lobe

D. d) fast


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


Skin Reflectance oximeter depends on monitoring backscattered lights in how many wavelengths?

A. A.1

B. B.2

C. C.3

D. D.4


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


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 delta wave in EEG ranges from ___________

A. a) 0.5-4Hz

B. b) 4-8Hz

C. c) 8-13Hz

D. d) 13-22Hz


Normal EEG frequency range is _______

A. a) 50-500Hz

B. b) 0.5-50HZ

C. c) 0.05-5Hz

D. d) 1-200Hz


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


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


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


What will happen to resistance, if the length of the conductor is increased?

A. a) Decreases

B. b) No change

C. c) Increases

D. d) Doubles


The blood is a poor conductor of electricity.

A. a) True

B. b) False


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


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




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