Pulse Oximeter — Questions and answers
Read the full story
What was Takuo Aoyagi working on before he thought about oxygen levels?
Choices
- He was drawing pictures of hearts for fun.
- He was studying how skin changes color.
- He was using dye to understand how the heart works. ✓
- He was building a new kind of light bulb.
Answer: He was using dye to understand how the heart works.
From page 4
How did Aoyagi's pulse oximeter become popular and trusted by doctors?
Choices
- He just told everyone it was a good idea and they believed him.
- Other companies helped make it better and showed that it worked accurately and reliably for many patients. ✓
- It was given away for free to all hospitals.
- Doctors started using it without needing any proof that it worked.
Answer: Other companies helped make it better and showed that it worked accurately and reliably for many patients.
From page 8
How did the pulse oximeter make surgery safer for patients?
Choices
- It allowed doctors to react only after a patient's oxygen levels dropped too low.
- It made surgeries longer and more complicated.
- It gave doctors constant oxygen information, helping them prevent problems and making care proactive. ✓
- It replaced the need for doctors during surgery entirely.
Answer: It gave doctors constant oxygen information, helping them prevent problems and making care proactive.
From page 9
What are some reasons why the pulse oximeter is such an important tool in medicine?
Choices
- It is only used in operating rooms and nowhere else.
- It is very complicated to use and requires special training.
- Its simplicity, gentle nature (non-invasiveness), and constant data delivery have saved many lives. ✓
- It needs special dye to work every time it's used.
Answer: Its simplicity, gentle nature (non-invasiveness), and constant data delivery have saved many lives.
From page 10