The ________ are the two main branches of the trachea that stretch between the trachea and the lungs

You are instructing a first-aid class at a local chemical plant. The course includes instruction regarding an AED that is to be placed in the plant. Which point would you emphasize to the employees to help them avoid the most common cause of AED failure?

A) "The batteries must be checked regularly." B) "An extra set of electrodes should be kept in the AED." C) "The AED should be kept clean and undamaged." D) "Always check the electrode wires for cracks."

The cornea, lens, and fluids help focus the light onto the retina by bending it in a process known as _______________.

Fill in the blank(s) with the appropriate word(s).