As a general rule, you should not add more than how many feet of extension tube to an oxygen concentrator?

You are working the scene of a collision involving a tractor trailer that is hauling an unknown chemical. After it has been determined that no material has been spilled, the rescue chief asks you to get the truck's shipping papers. Where would these MOST likely be located?

A) Rear compartment on the tanker B) Electrical box between the tractor and trailer C) Cab of the truck D) Shipping vault on the trailer

Of the two different types of credentials that are used in healthcare __________ is the most common

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