Two programs of standards under the OSHA umbrella particularly affect the clinical laboratory, pertaining to chemical hazards and ________.

An asymptomatic fluctuant mass in the floor of the mouth of a 25-year-old man was biopsied. Microscopically, it was a dilated duct containing mucin. This is a _____ cyst

a. Dermoid b. Lymphoepithelial c. Branchial d. Thyroglossal tract e. Mucous retention

Which of the following is false about oropharyngeal airways?

a. Incorrect placement can worsen airway obstruction. b. They all consist of a flange, body, and channel(s). c. They should only be used by trained per-sonnel. d. They are contraindicated in children and infants.