The ability of alcohols to act as an effective disinfectant decreases significantly when their con-centration drops below:

Trigger points in the deep suboccipital muscles refer pain to the ________ area of the head

A) Frontal B) Occipital C) Temporal D) Crown

In the hazardous labeling system developed by the NFPA, the blue quadrant of the diamond indicates a:

A) flammability hazard B) health hazard C) specific hazard D) instability hazard