________ The Federal Food, Drug, and Cosmetic Act of 1938 stipulates the actual control of drugs. This law was enacted to ensure the safety of food, drugs, and cosmetics that are sold within U.S. borders

A ____________ is a solid rod with a tapered or sharp end that fits inside the hollow tube

A. trocar B. cannula

After performing spirometry on a patient in the pulmonary clinic, the respiratory therapist notes that both the inspiratory and expiratory flow portion of the flow-volume loop is flattened. The therapist should interpret the condition demonstrated on the flow-volume loop as a/an

A. normal tracing. B. obstructive pattern. C. restrictive pattern. D. large airway obstruction.