Respiratory System — Flashcards

During inspiration, main current of airflow in nasal cavity is through _____ part of nasal cavity in a parabolic curve

When lung volume is _____ than FRC, there is a net expanding force on the lung-chest wall system

Pathologic dead space is when part of the respiratory zone is _____, but not perfused (perfused, ventilated)

The V/Q ratio is _____ in zone 3 (base) of the lung

Surfactant decreases _____ in the lung, preventing collapse of alveolar air sacs after expiration

Effects of Various Lesions and Brainstem Transections: Complete transection above pons with vagi _____ will lead to: Regular continued breathing

CO2 binding to hemoglobin favors the _____ form, thus reducing Hb affinity for O2

Peripheral chemoreceptors respond PRIMARILY to decreases in _____ and pH

Peripheral chemoreceptors are stimulated by decreased _____ and pH

The _____ of a respiratory system pressure-volume curve represents lung compliance