At present, the average life expectancy is _____ years, while the maximum life expectancy is estimated at _____ years.

Which of the following BEST describes a halyard?

A. Rope or cable used for hoisting and lowering fly sections B. Upper section of an extension ladder, the section that moves C. Device attached to the inside of beams to hold fly section in place D. Metal rods located beneath rungs extending from one beam to another of a wood ladder

What is the purpose of a tracheostomy tube obturator?

a. To minimize trauma to the tracheal muco-sal during insertion b. To provide a patent airway should the tube become obstructed c. To help ascertain the proper tube position by radiograph d. To provide a means to inflate and deflate the tube cuff