Special care must be exercised with the use of ____ in a patient being treated for severe pain. It may reverse an untoward adverse effect such as respiratory depression while causing the return of severe pain.

Which of the following is an advantage of masonry materials?

A. Construction is less labor-intensive than other methods. B. Masonry materials are inherently resistant to fire and insects. C. Mortar joints rarely deteriorate, even over long periods of time. D. Masonry materials are much less expensive than other materials.

Whenever power-driven cutting instruments are in use, the scrub should ________

A. lightly irrigate the cutting blade B. hand up a lap sponge to dry off the blade