X-ray Imaging — Questions and answers

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What made it hard for doctors to understand what was happening inside a patient's body before X-rays?

Choices

  1. Doctors knew everything about the body already.
  2. They could only guess or cut people open to see inside. ✓
  3. They had special glasses to see through skin.
  4. No one ever got sick before X-rays were invented.

Answer: They could only guess or cut people open to see inside.

From page 1

Why was it dangerous to find out if someone had a broken bone before X-rays?

Choices

  1. It was too expensive.
  2. Doctors might get bored.
  3. People could get infections from surgery or take a long time to get better. ✓
  4. Broken bones always healed quickly by themselves.

Answer: People could get infections from surgery or take a long time to get better.

From page 2

What were scientists like William Crookes investigating in the late 1800s using glass tubes and electricity?

Choices

  1. How to make light bulbs brighter.
  2. 'Cathode rays.' ✓
  3. How to build tall buildings.
  4. Different kinds of magnets.

Answer: 'Cathode rays.'

From page 3

What surprising thing did Professor Röntgen see during his experiment with the Crookes tube?

Choices

  1. His tube exploded with a loud bang.
  2. A faint green glow on a screen far away, even though the tube was covered. ✓
  3. A rainbow of colors inside the tube.
  4. His cat trying to play with the wires.

Answer: A faint green glow on a screen far away, even though the tube was covered.

From page 4

Why did Röntgen call the new mysterious emissions 'X-rays'?

Choices

  1. 'X' was his favorite letter.
  2. He wanted to hide what they were.
  3. 'X' meant they were unknown. ✓
  4. They looked like the letter 'X'.

Answer: 'X' meant they were unknown.

From page 5

Besides helping doctors, where else were X-rays used shortly after their discovery?

Choices

  1. To cook food.
  2. To fly airplanes.
  3. To check metal for problems and as early baggage scanners. ✓
  4. To make clothes.

Answer: To check metal for problems and as early baggage scanners.

From page 9

How are X-rays used in the world today, besides helping doctors with simple check-ups?

Choices

  1. To grow plants faster.
  2. For studying stars, checking bags at airports, and looking inside old paintings. ✓
  3. To power cars.
  4. To make music.

Answer: For studying stars, checking bags at airports, and looking inside old paintings.

From page 10