Ultrasound — Questions and answers
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What did Karl Dussik try to find in the brain using ultrasound?
Choices
- Lost toys
- Brain tumors ✓
- New ideas
- Different colors
Answer: Brain tumors
From page 4
What did Dr. John Wild and Donald Herrick create the first image of using ultrasound?
Choices
- A boat
- A tumor ✓
- A mountain
- A star
Answer: A tumor
From page 5
Why did doctors start using ultrasound more than X-rays for some things?
Choices
- It made pictures much faster than X-rays.
- It allowed them to see soft tissues and watch things happen inside the body without surgery. ✓
- It was much cheaper to buy an ultrasound machine.
- It made patients feel sleepy and calm during the scan.
Answer: It allowed them to see soft tissues and watch things happen inside the body without surgery.
From page 8
What new thing did ultrasound do in the 1980s to show blood moving?
Choices
- It made the pictures black and white.
- It showed how bones grow bigger.
- It used the Doppler effect to show blood flow in different colors. ✓
- It played music during the scan.
Answer: It used the Doppler effect to show blood flow in different colors.
From page 9