Difficult Airway 1 - Mechanical Ventilation - Pt. 1 Flashcards
This is the movement of air in and out of the lungs
ventilation
This is the exchange of gas across the alveolar membrane
respiration
This is the divider between the upper and lower airways
glottic opening
This is the point where cartilagenous rings of the airway disappear
tertiary bronchi/bronchioles
What maintains airway diameter at the level of the bronchioles?
smooth muscle
During inhalation, the diaphragm (relaxes/contracts) and the pressure within the chest cavity/lungs (increases/decreases).
contracts; decreases
Inhalation is a ______ pressure event.
negative
List the acc. muscles of inspiration.
sternocleidomastoid; pectoralis minor
List the acc. muscles of exhalation.
abdominal m.; quadratus lumborum
In addition to increasing the size of the chest cavity, inspiration also _____.
pulls blood into the heart via the inferior vena cava