Top 80+ Solved Basic of Biomedical Instruments MCQ Questions Answer
Q. Vectorcardiogram displays the electrical events in perpendicular axes.
a. one
b. two
c. three
d. four
Q. is a vectorial representation of the distribution of electric potentials generated byheart.
a. EEG
b. ECG
c. PCG
d. VCG
Q. Which instrument is used for clinical detection of heart sounds?
a. Stethoscope
b. Endoscope
c. Anoscope
d. Proctoscope
Q. Who provides a recording of waveforms of heart sounds?
a. Electrocardiograph
b. Vectorcardiograph
c. Phonocardiograph
d. Electromyograph
Q. What is the frequency range of sound generated from the closure of the mitral and tricuspidvalve?
a. 0 to 30 Hz
b. 30 to 100 Hz
c. 100 to 1000 Hz
d. above 1000 Hz
Q. Which of the following microphone is used for recording phonocardiograms?
a. Contact Microphone
b. Shotgun Microphone
c. Handheld Microphone
d. Lapel Microphone
Q. What is the frequency range of sound produced at the closure of aortic and pulmonic valves?
a. less than 0 Hz
b. 0 to 30 Hz
c. 30 to 100 Hz
d. above 100 Hz
Q. Who described the new acoustic sensor?
a. Golden et al
b. Rijn et al
c. Levkov et al
d. Kassal et al
Q. Acoustic sensor principal sensing component is made up of which polymer?
a. PEO(Poly-ethylene oxide)
b. PET(Poly-ethylene tetraphthalate)
c. PVDF(Poly-vinylidene fluoride)
d. PS(Poly-styrene)
Q. What is the frequency range of amplifier used for a phonocardiograph?
a. less than 0 Hz
b. 0 to 20 Hz
c. 20 to 2000 Hz
d. above 2000 Hz
Q. What is necessary for providing a common reference for measurement?
a. active electrode
b. ground electrode
c. tape recorder
d. oscilloscope