In which roof style does the design depend on exterior walls to support its weight?

Dysplasias and carcinomas account for approximately what percentage of clinical idiopathic erythroplakias seen in oral mucous membranes?

a. 10% b. 25% c. 50% d. 75% e. 90%

On the scene of a hazardous materials emergency, which individual is best suited to provide command and coordination of assets at the incident?

A) Fire service rescue technician B) Paramedic C) Hazardous materials technician D) Hazmat specialist