Why and how do we use X-rays in medicine

The video begins with a story of a prince who learns about X-rays after an accident. It explains the basics of light and the electromagnetic spectrum, highlighting the discovery and function of X-rays. The video discusses the medical applications of X-rays, including their use in diagnosing broken bones and other conditions. It also addresses safety concerns, explaining that while X-rays involve radiation, they are safe in controlled medical settings. The video concludes by emphasizing the importance of X-rays in modern medicine.

What event led the Prince to need an X-ray?

• He tripped over a rock.

• He was attacked by a dragon.

• He fell off his horse.

• He got lost in the forest.

Which part of the electromagnetic spectrum is most relevant to human vision?

• Infrared light

• Visible light

• Ultraviolet light

• Gamma rays

Who discovered X-rays and what was the initial observation?

• Marie Curie observed radiation from uranium.

• Wilhelm Conrad Rontgen noticed a glow from a screen.

• Isaac Newton saw a rainbow through a prism.

• Albert Einstein noticed a glow from a screen.

Why do bones appear white on an X-ray image?

• They are denser than other tissues.

• They absorb the most X-rays.

• They reflect all light.

• They emit their own light.

Besides broken bones, what else can X-rays help diagnose?

• Skin conditions

• Mental health issues

• Fluid collections and infections

• Heart diseases

What is a CT scan and how does it differ from a regular X-ray?

• It only images the brain.

• It is used exclusively for dental imaging.

• It uses sound waves instead of X-rays.

• It provides a 3D image using rotating X-ray machines.

Why do radiographers stand behind a protective screen during X-rays?

• To avoid being seen by patients.

• To protect themselves from repeated exposure to radiation.

• To operate the machine remotely.

• To ensure the patient remains still.

What is the average annual dose of radiation a person in the US receives?

• 15 millisieverts

• 10 millisieverts

• 6.2 millisieverts

• 2.5 millisieverts

How does the radiation from a chest X-ray compare to natural background radiation?

• Equivalent to 1 day of background radiation

• Equivalent to 10 days of background radiation

• Equivalent to 1 year of background radiation

• Equivalent to 1 month of background radiation

What is a common misconception about X-rays and gaining superpowers?

• X-rays can make you invisible.

• X-rays can turn you into a superhero.

• X-rays can improve your vision.

• X-rays can give you super strength.