Chapter 17a: Flashcards

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Alveoli
terminus (end) of bronchial tree where primary gas exchange occurs in the lung [toggle]
Bronchi
main branches of airways connecting the trachea to the bronchioles in the lung [toggle]
Bronchioles
airways connecting the bronchi to the alveoli [toggle]
Dry powder inhaler (DPI)
device used to deliver medication to the lungs using a dry powder and without aerosol propellant. It requires some inspiratory effort and may not be useful in small children [toggle]
Hemoglobin
component of red blood cells that transports oxygen from lungs to cells and tissues throughout the body [toggle]
Larynx
portion of the respiratory tract connecting the pharynx to the trachea. It contains the vocal cords, which vibrate and allow a person to vocalize. The larynx is sometimes referred to as the voice box [toggle]
Lungs
the two organs (left and right) located in the chest that take in oxygen from the air and distribute it to the bloodstream for use by the body, while removing waste carbon dioxide from body processes by exhalation into the outside air [toggle]
Metered dose inhaler (MDI)
a device that delivers aerosolized medication to the lungs. It is often used with a spacer [toggle]