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Doctors Medicines MCQs Q&A

  1. ECG
  2. MRI
  3. X Ray
  4. CT Scan
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1 Answers

Option 1 : ECG

The correct answer is ECG.

  • ECG records the rate of heartbeats.
  • It is used only for assessing heart related problems​.
  • ECG stands for Electrocardiogram.
  • In ECG, electrodes are placed on the skin to note the normal working condition of the heart.

  • Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside your body.
    • Health care professionals use MRI scans to diagnose a variety of conditions, from torn ligaments to tumours.
  • X-rays are electromagnetic waves with a wavelength range of 0.1Å – 100Å.
    • The wavelength of X-rays is small in comparison to the wavelength of light. Hence they carry more energy.
  • CT Scan or computed tomography is a special type of X-ray examination.
    • Through which the internal organs of the body are seen and diseases are detected.
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