Answer :
At mid-expiration point in the respiratory cycle is alveolar pressure is the greatest
Alveolar pressure determines whether air will flow into or out of the lungs. whilst alveolar pressure is negative, as is the case during suggestion, air flows from the higher strain on the mouth down the lungs into the lower strain inside the alveoli.
At sea stage, the atmospheric pressure (i.e. the stress exerted by using the gases in the Earth's atmosphere) is set 760 mmHg. for the duration of inhalation, the quantity of the lungs will increase and the pressure inside the lungs decreases below that of atmospheric pressure.
peak pressure: this is the pressure that is generated by means of the ventilator to conquer both airway resistance and alveolar resistance. The purpose of the strain is to reap the set inspiratory flow and the tidal quantity intention this is set by the issuer.
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