Getting Your ATP Certificate. Achieving the highest level of pilot certification is harder than ever. Here is how to do it. The Airline Transport Pilot Multi-Engine certificate is the crown jewel of pilot ratings and is required for pilots flying passengers or cargo under Part 121 and some Part 135 operations.
â¢ BRONCHODILATOR (noun). The noun BRONCHODILATOR has 1 sense: 1. a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs. Familiarity information: BRONCHODILATOR used as a noun is very rare. Dictionary entry details.
Causes of Bronchodilation. Bronchodilation is the process by which the bronchi (tubes in the lungs made of connective tissue and muscle) are dilated, or opened. There are circumstances and conditions that cause the bronchi of the lungs to become narrow, or constrict, making it difficult to breathe. There are endogenous (inside the body) and exogenous (originating outside the body) factors that can affect bronchodilation.