Morphine has a strong tendency to cause physical dependency or addiction in humans.  What is the classification of morphine in the United States and Canada?

Prior to the induction of anesthesia, small animals should have food and water withheld for _____ hours and _____hours, respectively.

After you manually process a film, you notice that there is a green area of about 1/2 inch along one narrow edge of the film.  This is due to the area not being

Signs of pain in birds can include:

In the lateral pelvic film projection, the affected limb should be

The standing lateral view of the thorax with a horizontal beam is used to confirm the presence of

A radiograph in front of you appears dark.  You note that the bones are gray.  You are best to do what for the next radiograph?

Which indicator of hypoxemia in an anesthetized patient is best in terms of continuous monitoring early warning:

If wound dehiscence occurs following surgery:

The ultrasound term that refers to a few echos detected, and the area is a low-level gray compared with the surrounding tissue, is