Biopsy Needle — Questions and answers

Read the full story

What motivated Martin Lindstrom, a medical engineer, to create better tools for finding diseases?

Choices

  1. He wanted to make more money.
  2. He was bored and needed a hobby.
  3. The great harm caused by wrong diagnoses and the need for a delicate touch. ✓
  4. His friends told him to.

Answer: The great harm caused by wrong diagnoses and the need for a delicate touch.

From page 4

What was the main problem with Martin Lindstrom's first attempts using simple hollow tubes to get tissue samples?

Choices

  1. They were too heavy to lift.
  2. They made funny noises.
  3. The tissue would fold or crush, not giving a good sample. ✓
  4. They tasted bad.

Answer: The tissue would fold or crush, not giving a good sample.

From page 5

What was the big new idea that made the Vim-Silverman needle special?

Choices

  1. It was made of plastic.
  2. It had a light at the end.
  3. It used two parts working together: one to hold and one to cut. ✓
  4. It played music while working.

Answer: It used two parts working together: one to hold and one to cut.

From page 6

What is the very first step when doctors use the Vim-Silverman needle to get a tissue sample?

Choices

  1. They play a game.
  2. They slide the outer cannula first.
  3. They carefully put the needle through the skin and guide the inner part to the right spot. ✓
  4. They clean the needle after use.

Answer: They carefully put the needle through the skin and guide the inner part to the right spot.

From page 7

After the inner part holds the tissue, what does the outer part of the Vim-Silverman needle do?

Choices

  1. It makes a loud noise.
  2. It makes the tissue disappear.
  3. It slides forward to cleanly cut out a piece of tissue. ✓
  4. It pulls the whole needle out immediately.

Answer: It slides forward to cleanly cut out a piece of tissue.

From page 8

How did new technologies like ultrasound and CT scans help doctors use the biopsy needle even better?

Choices

  1. They made the needle glow in the dark.
  2. They helped doctors see where the needle was going in real-time, making it more accurate. ✓
  3. They made the needle faster.
  4. They allowed doctors to use the needle without any risk at all.

Answer: They helped doctors see where the needle was going in real-time, making it more accurate.

From page 9

According to Dr. Thorne and Dr. Petrova, how has the biopsy needle helped doctors and patients around the world?

Choices

  1. It has made medical care more confusing.
  2. It has made treatments longer and more painful.
  3. It has saved many lives by allowing early and precise diagnosis. ✓
  4. It is only used for very minor problems.

Answer: It has saved many lives by allowing early and precise diagnosis.

From page 10