Being unable to quit drug use due to physical withdrawal complications is a psychological or emotional sign of addiction.

Reddish-purple blotches due to leakage of blood from an artery or vein are called:

A) purpura. B) erosion. C) ecchymosis. D) lichenification.

A hydraulic spreader tip can be spread as much as:

A. 28 inches (711 mm). B. 32 inches (800 mm). C. 36 inches (914 mm). D. 48 inches (1219 mm).