Vectorcardiography (VCG) MCQ

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

• Ear oximeter instrument is based on Beer-Lambert law.
  ক

  True

  খ

  False
• Ear probe which connects the patient to instrument is ___________ m long.
  ক

  1.5

  খ

  2.0

  গ

  2.5

  ঘ

  3.0
• This technique involves measuring the optical transmittance of the ear at how many wavelengths?
  ক

  12

  খ

  6

  গ

  8

  ঘ

  10
• Merrick and Hayes (1976) describe details of a _________ oximeter which enables the measurement of oxygen saturation of blood.
  ক

  Pulse

  খ

  Ear

  গ

  Skin Reflactance

  ঘ

  Intravascular
• What is time taken for the ear to become fully dilated after ear unit has been placed?
  ক

  5-10 min

  খ

  10-15 min

  গ

  15-20 min

  ঘ

  20-25 min
• By keeping the ear warm, maximum vasodilatation is achieved.
  ক

  True

  খ

  False
• Blood in _________ must be made similar to arterial Blood in composition.
  ক

  heart

  খ

  brain

  গ

  ear

  ঘ

  eyes
• Which principle is used by ear oximeter usually?
  ক

  in vivo

  খ

  transmission

  গ

  reflection

  ঘ

  in vitro
• For discrete blood samples, a spectrophotometric measurement of oxygen saturation can be made by which method?
  ক

  in vitro

  খ

  in vivo

  গ

  transmission

  ঘ

  cannot be determined
• When blood is withdrawn from the subject under anaerobic conditions and measurement for oxygen saturation is made at a later time in the laboratory, the procedure is referred to as _________ oximetry.
  ক

  in vitro

  খ

  in vivo

  গ

  transmission

  ঘ

  reflection
• How much quantity of oxygen bound with haemoglobin in the normal arterial blood?
  ক

  20.3ml %

  খ

  21.5ml %

  গ

  19.4ml %

  ঘ

  20.1ml %
• What does red blood cells contain for combining with a large volume of oxygen?
  ক

  Proteins

  খ

  Haemoglobin

  গ

  Lipids

  ঘ

  Platelets
• Liquid part of blood is __________
  ক

  Platelets

  খ

  Red Blood Cells

  গ

  White Blood Cells

  ঘ

  Plasma
• Which gas saturation is of great importance in clinical practice?
  ক

  oxygen

  খ

  carbon dioxide

  গ

  hydrogen

  ঘ

  nitrogen