Electrocardiogram — Questions and answers
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What did Luigi Galvani show with his experiments using frog legs?
Choices
- How to make frog legs jump very high
- That animals have electricity inside them ✓
- The best way to cook frog legs for dinner
- That frogs can sing when they are happy
Answer: That animals have electricity inside them
From page 2
Why was Augustus Waller frustrated with the capillary electrometer?
Choices
- It made the heart's rhythm too fast to see
- It was too big to fit in his lab
- It was too slow and made the heart's rhythm blurry ✓
- It only worked on cold days
Answer: It was too slow and made the heart's rhythm blurry
From page 3
What did Willem Einthoven want his new medical tool to do?
Choices
- Help people run faster
- Precisely measure and clearly show the heart's electrical changes ✓
- Make music from the heart's rhythm
- Build better workbenches for doctors
Answer: Precisely measure and clearly show the heart's electrical changes
From page 4
How did the electrocardiogram (ECG) help doctors change heart care?
Choices
- It made patients feel better immediately
- It let them accurately diagnose heart problems by seeing the heart's electrical activity ✓
- It helped doctors write prescriptions faster
- It allowed them to teach patients how to fix their own hearts
Answer: It let them accurately diagnose heart problems by seeing the heart's electrical activity
From page 8
What is the electrocardiogram (ECG) used for in medicine today?
Choices
- Only for very old machines in museums
- For baking cakes and cooking meals
- For emergency diagnoses, health monitoring, and surgical guidance ✓
- For telling bedtime stories to patients
Answer: For emergency diagnoses, health monitoring, and surgical guidance
From page 10