6. Which of the following isn't a typical risk of transplant surgery?
- Infection
- Rejection
- Blindness
- Extensive blood loss
7. What is laser surgery not used for?
- Making incisions
- Removing skin blemishes
- Correcting some visual defects
- Carrying out surgery on the eye
8. What is endoscopy used to observe?
- Colon
- Main internal organs
- Inaccessible parts of the body
- Lungs
