The HIPAA regulations have not changed since their inception

What is the lethal concentration, 50% kill?

a. The amount of a substance, measured in milligrams per body mass, that kills half of a group of laboratory animals to which the substance is administered during a preestablished time b. The concentration of a substance, measured in parts per million, that kills half of a group of laboratory animals to which the substance is administered during a preestablished time c. The concentration of a substance, in milligrams per kilogram (mg/kg), that kills a laboratory animal within 48 hours d. The concentration of a substance to which workers can be exposed continuously for a period of approximately 15 minutes without suffering irritation, chronic or irreversible tissue damage, or narcosis sufficient to increase the risk of accidental injury, impair self-rescue, or materially reduce work-related efficiency

Small masses of lymphoepithelial tissue are found at the lateral aspects of both the oropharynx and the nasopharnyx. In the oropharynx, these are called ________ and in the nasopharynx, they are called ________. They both can become inflamed and swollen due to infection

A) uvula; sinuses B) tonsils; adenoids C) sinuses; uvula D) adenoids; tonsils