Recording System MCQ

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

• What is range of ultrasonic energy transmitted into the body?
  ক

  0-5 mW/cm2

  খ

  5-10 mW/cm2

  গ

  10-15 mW/cm2

  ঘ

  15-20 mW/cm2
• What is ultrasonic frequency employed for obstetric studies?
  ক

  0.5 to 1 MHz

  খ

  1 to 1.5 MHz

  গ

  1.5 to 2 MHz

  ঘ

  2 to 2.5 MHz
• 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?
  ক

  Abdominal Foetal Electrocardiogram

  খ

  Foetal Phonocardiogram

  গ

  Ultrasound

  ঘ

  Foetal ECG with scalp electrode
• Which of the following instrument makes use of the Doppler shift principle?
  ক

  Abdominal Foetal Electrocardiogram

  খ

  Foetal Phonocardiogram

  গ

  Foetus blood flow detector

  ঘ

  Foetal ECG with scalp electrode
• Ultrasound provides basically clearer signal than does phonocardiography.
  ক

  True

  খ

  False
• No output pulse will occur when the period between two pulses is less than _____ ms.
  ক

  230

  খ

  20

  গ

  400

  ঘ

  440
• What is used to delay the change in the time constant in foetal phonocardiograph?
  ক

  Preamplifier

  খ

  Notch Filter

  গ

  Integrator

  ঘ

  Band Pass Filter
• If the period duration is lesser than 400 ms, the one-shot will deliver a pulse.
  ক

  True

  খ

  False
• What is used to detect heart frequency in foetal phonocardiograph?
  ক

  230 ms one shot

  খ

  400 ms one shot

  গ

  20 ms one shot

  ঘ

  440 ms one shot
• What is the fixed pulse width of the pulse after process of one-shot circuit?
  ক

  110 ms

  খ

  170 ms

  গ

  230 ms

  ঘ

  280 ms
• How many sounds are produced from the normal foetal heart action?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• The preamplifier is incorporated in the transducer housing to maximize interference signals being picked up.
  ক

  True

  খ

  False
• Bandpass filter used in foetal phonocardiogram rejects all frequencies outside the ________ Hz range.
  ক

  0-40

  খ

  40-80

  গ

  70-110

  ঘ

  110-150
• Crystal microphone is used for picking _______ signals.
  ক

  cardiac

  খ

  brain

  গ

  phono

  ঘ

  muscles
• How are foetal heart sounds picked up from the maternal abdomen?
  ক

  Piezoelectric device

  খ

  Sensitive Microphone

  গ

  Crystal microphone

  ঘ

  Dynamic microphone