X-rays & Gamma Rays

• What are the two types of rays discussed in the video?

  X-rays and gamma rays
• What is the main use of x-rays?

  To view the internal structure of objects
• How does a typical x-ray machine work?

  It fires x-rays through the body and records them
• Why do x-rays pass through certain body parts but not others?

  They are absorbed by dense materials like bones
• What color do dense areas like bones appear on x-ray images?

  White
• What is the risk associated with x-ray exposure?

  It gives a small amount of radiation
• Why do medical staff wear lead aprons during x-ray procedures?

  To protect themselves from x-ray exposure
• What is one use of gamma rays in medicine?

  Medical imaging and cancer treatment
• How do gamma rays sterilize medical equipment?

  They kill microorganisms without causing damage
• What is a disadvantage of using boiling water for sterilization?

  It can damage materials like plastic
• How do gamma rays affect food during sterilization?

  They kill harmful microbes without altering food
• What is the trade-off when using x-rays and gamma rays in medicine?

  They can damage cells but help diagnose diseases
• Why is it important to weigh the pros and cons of x-ray and gamma ray use?

  To assess the risk versus the benefits
• What are the main applications of x-rays and gamma rays?

  • X-rays:
  • Viewing internal structures
  • Detecting broken bones and diseases
  • Gamma rays:
  • Medical imaging
  • Cancer treatment (radiotherapy)
  • Sterilization of medical equipment and food
• What are the advantages of using gamma rays for sterilization over boiling water?

  • Gamma rays:
  • Kill microorganisms without damage
  • Safe for heat-sensitive materials
  • Maintain food quality
  • Boiling water:
  • Can damage certain materials