# Cyber Medicine MCQ Questions & Answers

Cyber Medicine MCQs : This section focuses on the "Cyber Medicine". These Multiple Choice Questions (MCQs) should be practiced to improve the Cyber Medicine skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

_______ instruments are now available for the measurement of blood velocity, volume flow, flow direction, flow profile and to visualize the internal lumen of blood vessel.

A. Transit-time
B. Doppler-shift
C. Square wave
D. Sine wave

Question 2

A calibrating signal of _____ mV amplitude can be connected to preamplifier with an input selector switch.

A. 10
B. 20
C. 30
D. 40

Question 3

For blood flow measurement work, the behavior of the two hydrogen atoms of water is studied.

A. True
B. False

Question 4

In which type of electromagnetic blood flowmeter, the energizing voltage is given to magnet is a square wave?

A. Sine wave electromagnetic flowmeter
B. Square wave electromagnetic flowmeter
C. Sawtooth wave electromagnetic flowmeter
D. Impulse wave electromagnetic flowmeter

Question 5

In which type of electromagnetic flowmeter, the probe magnet is energized with sine wave?

A. Sine wave electromagnetic flowmeter
B. Square wave electromagnetic flowmeter
C. Sawtooth wave electromagnetic flowmeter
D. Impulse wave electromagnetic flowmeter

Question 6

The Angular frequency of precession is given by W=2pv=rBo, where r is ____________

A. ratio of magnetic moment to angular momentum
B. density of steady magnetic field
D. length of coil

Question 7

The Angular frequency of precession is given by W=2pv=rBo, where v is _____________

A. ratio of magnetic moment to angular momentum
B. density of steady magnetic field
D. length of coil

Question 8

The Angular frequency of precession is given by W=2pv=rBo,where Bo is _______

A. ratio of magnetic moment to angular momentum
B. density of steady magnetic field
D. length of coil

Question 9

The major problem encountered with the sinusoidal type of magnetic field is that the blood vessel and the fluid contained in it act as the primary coil of a transformer when the probe magnet is excited.

A. True
B. False

Question 10

The preamplifier used in square wave blood flowmeter has a CMRR of _______ dB.

A. 96
B. 100
C. 106
D. 110

Question 11

What is the common mode input impedance of preamplifier used in square wave blood flowmeter?

A. 110 MW
B. 130 MW
C. 150 MW
D. 180 MW

Question 12

Which of the following is a non invasive method for measurement of peripheral blood flow or blood flow in various organs?

A. Electromagnetic
B. Ultrasonic
C. NMR
D. Laser Doppler