Which of the following odontogenic lesions always appears radiographically as a radiolucent lesion?

Air for medical use in a hospital should be which of the following? 1. Particle-free 2. Oil-free 3. Dry

a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3

Which of the following is descriptive of the Centers for Disease Control and Prevention classification of biosafety level 2 (BSL2)?

A) Agents are not known to cause diseases consistently in healthy adults. B) Dangerous/exotic agents pose high risk of life-threatening disease and aerosol-transmitted lab infections. C) Indigenous or exotic agents with potential for aerosol transmission cause diseases that may have serious or lethal consequences. D) Agents are associated with human disease; hazards by percutaneous injury, ingestion, and mucous membrane exposure.