The approval of a new drug application (nda) by the fda allows for which of the following? a. the manufacturer is allowed to sell the drug in the united states. b. the drug is allowed to be tested in humans for the first time. c. the drug is allowed to be shipped for the first time through interstate commerce. d. the drug is allowed to be tested in animals for safety.

Which describes the role of the diaphragm during inhalation? the diaphragm flattens, making the chest cavity larger, and air flows in. the diaphragm moves upward, making the chest cavity larger, and air flows in. the diaphragm flattens, making the chest cavity smaller, and air is sucked in. the diaphragm moves upward, making the chest cavity smaller, and air is pushed out.