Artificial Heart — Questions and answers

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What was a main problem Dr. Kolff and Dr. Kwan-Gett discussed when trying to create an artificial heart?

Choices

  1. How to make the heart beat very fast.
  2. How to find enough space in the body for the heart.
  3. How to make materials that blood won't reject or clot on. ✓
  4. How to make the artificial heart look pretty.

Answer: How to make materials that blood won't reject or clot on.

From page 1

What was Mr. Davies' main wish because of his severe heart problem?

Choices

  1. To run a marathon.
  2. To walk to the window without effort.
  3. To breathe easily again. ✓
  4. To receive more medication.

Answer: To breathe easily again.

From page 2

According to Dr. Michael DeBakey, what was a big problem with heart transplantation?

Choices

  1. The surgeries were too long.
  2. There weren't enough suitable donor hearts. ✓
  3. Patients didn't want new hearts.
  4. The cost was too high.

Answer: There weren't enough suitable donor hearts.

From page 3

What did Dr. Willem Kolff's early artificial heart pump use to push blood out?

Choices

  1. A small electric motor.
  2. Compressed air. ✓
  3. A tiny spring.
  4. Magnets.

Answer: Compressed air.

From page 4

Besides just pumping blood, what was a big challenge for an artificial heart to live inside a body?

Choices

  1. Making it shiny and colorful.
  2. Making it sing songs.
  3. Stopping blood from clotting on its materials. ✓
  4. Making it weigh a lot.

Answer: Stopping blood from clotting on its materials.

From page 5

Who designed the Jarvik-7 artificial heart?

Choices

  1. Willem Kolff.
  2. Robert Jarvik. ✓
  3. Don Olsen.
  4. Michael DeBakey.

Answer: Robert Jarvik.

From page 6

How did the Jarvik-7 artificial heart pump blood into the body?

Choices

  1. It used a small internal motor to spin blood around.
  2. External air pressure pushed diaphragms to expel blood. ✓
  3. It vibrated very quickly to move the blood.
  4. Magnets inside the heart pulled the blood along.

Answer: External air pressure pushed diaphragms to expel blood.

From page 7

What was one of the biggest problems Barney Clark faced after getting the Jarvik-7 artificial heart?

Choices

  1. His new heart was too noisy.
  2. He wanted to remove it right away.
  3. He developed severe blood clots and infections. ✓
  4. The heart made him feel too energetic.

Answer: He developed severe blood clots and infections.

From page 8

What are VADs (Ventricular Assist Devices) designed to do?

Choices

  1. Replace the entire heart completely.
  2. Help a failing heart by assisting its pumping. ✓
  3. Make the heart beat much faster than normal.
  4. Remove blood clots from the body.

Answer: Help a failing heart by assisting its pumping.

From page 9

What is Dr. Alex Chen's exciting vision for the future of artificial hearts?

Choices

  1. To make them very colorful and decorative.
  2. To use them only for temporary support.
  3. To create fully implantable, wireless hearts with no external equipment. ✓
  4. To stop all research on heart technology.

Answer: To create fully implantable, wireless hearts with no external equipment.

From page 10