A ________ is an unlighted instrument with movable parts that, when inserted into a cavity, can be spread apart for ease of visualization, allowing a tissue sample to be removed.

The posterior lead that goes just to the left of the spine in the 5th intercostal space is:

A) V9 B) V8 C) V7 D) V10

What type of technical rescue requires the use of lock out/tag out devices to secure power switches?

A. Water rescue B. Vehicle rescue C. Elevator rescue D. Machinery rescue