System Concepts MCQ

Test your knowledge with important System Concepts MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more System Concepts MCQs at Bissoy

• What is sensitivity of an electrocardiograph?
  ক

  10 mm/mV

  খ

  15 mm/mV

  গ

  20 mm/mV

  ঘ

  25 mm/mV
• What measurements are made vertically on electrocardiogram?
  ক

  Time Measurements

  খ

  Heart Rate Measurements

  গ

  Amplitude Measurements

  ঘ

  Time Measurements and Heart Rate Measurements
• What is paper recording speed for routine work?
  ক

  10 mm/s

  খ

  15 mm/s

  গ

  20 mm/s

  ঘ

  25 mm/s
• ________ are made horizontally on electrocardiogram.
  ক

  Time Measurements

  খ

  Heart Rate Measurements

  গ

  Time Measurements and Heart Rate Measurements

  ঘ

  Not fixed and can be any thing
• ‘Stand by’ mode of operation is generally provided in which instrument?
  ক

  VCG

  খ

  PCG

  গ

  ECG

  ঘ

  EMG
• Why is preamplifier used?
  ক

  For Amplification

  খ

  For Stabilizing effect

  গ

  For Reducing effect

  ঘ

  For Modifying effects
• The amplified output signal is picked up single-ended from preamp and is given to the _________
  ক

  Power Amplifier

  খ

  Lead Selector

  গ

  Pen Motor

  ঘ

  Paper motor
• How lead selector selects electrodes?
  ক

  one by one

  খ

  two by two

  গ

  three by three

  ঘ

  four by four
• Where are potentials picked up by patient electrodes taken to?
  ক

  Lead Selector switch

  খ

  Preamp

  গ

  Power Amplifier

  ঘ

  Instrumentational amplifier
• How many paper speeds are necessary for ECG recording?
  ক

  One

  খ

  Minimum two

  গ

  Can be any

  ঘ

  Max two
• Which machines CMRR is of order of 100-120 dB?
  ক

  VCG

  খ

  PCG

  গ

  EEG

  ঘ

  ECG
• What is diagnostically useful frequency range?
  ক

  0.025 to 0.05 Hz

  খ

  0.05 to 150 Hz

  গ

  150 to 200 Hz

  ঘ

  0.05 to 150 MHz
• Who provides valuable information about a wide range of cardiac disorders?
  ক

  VCG

  খ

  ECG

  গ

  PCG

  ঘ

  EEG
• Electrocardiography are used in catheterization laboratories, coronary care units and for routine diagnostic applications in cardiology.
  ক

  True

  খ

  False
• Which of the following instrument records the electrical activity of the heart?
  ক

  VCG(Vectorcardiograph)

  খ

  PCG(Phonocardiograph)

  গ

  ECG(Electrocardiograph)

  ঘ

  EEG