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Alveolar air volume - ANSWER ✔✔amount of air that reaches alveoli
for gas exchange (approx. 350 ml. For adult male) Tidal volume minus
dead space
Dead air space - ANSWER ✔✔anatomic dead space are structures
that hold air but but can't participate in gas exchange. Physiologic dead
space are alveoli or capillaries destroyed by disease
,Expiratory reserve volume - ANSWER ✔✔amount of gas that can be
forcefully expired at the end of a normal expiration
Inspiratory reserve volume - ANSWER ✔✔amount of gas that can be
forcefully inspired in addition to a normal breaths tidal volume
Internal respiration - ANSWER ✔✔exchange of gases between blood
cells and tissues
Peak expiratory flow - ANSWER ✔✔the greatest rate of airflow during
forced expiration when lungs are fully inflated
Residual volume - ANSWER ✔✔after maximal forced exhalation,
amount of air remaining not able to be expelled
Tidal volume - ANSWER ✔✔amount of air in a respiratory cycle (500
ml, 5-7ml/kg)
Minute volume - ANSWER ✔✔amount of gas moved in and out of
respiratory tract per minute
Air trapping - ANSWER ✔✔a respiratory pattern associated with an
obstruction in the pulmonary tree. Rate increases to overcome
resistance.
, Angle of Louis - ANSWER ✔✔angulation of the sternum that
indicates the point where the second rib joins the sternum.
(manubriosternal junction)
Anoxia - ANSWER ✔✔total lack of oxygen available to the tissues
Apnea - ANSWER ✔✔respiratory arrest
Atelectasis - ANSWER ✔✔abnormal condition characterized by
collapse of alveoli, preventing exchange of CO2 and O2 in a part of the
lungs
Barrier device - ANSWER ✔✔thin film of material placed on the
patient's face used to prevent direct contact with the patient's mouth
during PPV
Carina - ANSWER ✔✔where the trachea divides into right and left
bronchi
Ronchi - ANSWER ✔✔rattling or rumbling in the lungs. Inspiration
and expiration. Fluid in larger airways and may be cleared from a cough.
Stridor - ANSWER ✔✔harsh, high-pitched inspiratory sound best
heard over the neck
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