The Laser Machine Does Not Come On

question 45

Multiple Choice

The laser machine does not come on.You have checked that the machine is plugged in,the power switch is in the "on" position,the key is in the ignition,and the ignition is in the "on" position.What could be the likely problem?

• A) a hospital-wide power outage
• B) the dummy switch in the back is missing
• C) faulty fiber
• D) The fiber needs to be recut.

---

Definitions:

Protected Area

A clearly defined geographical space, recognized and managed through legal or other effective means, to achieve the long-term conservation of nature.

Global Warming

The long-term rise in Earth’s average surface temperature, primarily due to human activities like burning fossil fuels, which releases greenhouse gases.

Agricultural Productivity

The measure of the output of agricultural products relative to the inputs used in production.

Increased Precipitation

A rise in the amount of rainfall and snowfall over a certain period and area, typically associated with climatic changes.