1 which of the following cases will the intra-alveolar pressure be higher than atmospheric pressure? During forced inspi

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1 which of the following cases will the intra-alveolar
pressure be higher than atmospheric pressure?
During forced inspiration.
During quiet inspiration.
During passive expiration.
During a pneumothorax.
2. inspiration during quiet breathing..
occurs when the diaphragm relaxes.
is inhibited by the presence of surfactant.
relies on contraction of the internal intercostal muscles.
occurs when the volume of the thorax increases, which causes a
drop in intrapulmonary pressure.
3. what contributes to expiration?
Lower gas pressure in the lungs than the atmosphere.
An increase in tidal volume.
Elastic recoil of lung tissue.
Contraction of the diaphragm.
4. the pulmonary measurement used to determine air flow and the
health of a patient's airways is
tidal volume.
FEV1%.
residual volume.
vital capacity.
5. the importance of intrapleural pressure always be
less than intra-alveolar pressure is because..
This pressure gradient is what allows air to flow into the
lungs.
This pressure gradient is what allows air to flow out of the
lungs.
This pressure gradient is what holds the lungs to thoracic wall
and prevents lung collapse.