What NFPA standard uses colors and numerical rating scales to identify degree of hazard for health, fire, and reactivity?

The static bone cyst, if biopsied, exhibits which of the following microscopic features?

a. Virtually nothing, as it represents a dead space b. Hematopoietic tissue c. Fibrous tissue lined by respiratory-type epithelium d. Salivary gland and other soft tissues that normally reside in the area e. Granulation tissue and giant cells

The capability of a pacemaker to recognize inherent electrical conduction system activity is termed:

A. capture. B. sensing. C. failure. D. stimulation.