Identify the true statement about the resting phase in a respiratory cycle.
A) During this phase, alveolar pressure is greater than atmospheric pressure.
B) The resting phase is characterized by a flattened diaphragm.
C) Alveolar pressure is lower than atmospheric pressure in this phase.
D) Alveolar pressure is equal to atmospheric pressure during this phase.
E) The external intercostal muscles remain contracted during this phase.

Question

Quizplus · Accepted Answer

During the resting phase, also known as the respiratory pause or the transition phase, there is no air movement and alveolar pressure is equal to atmospheric pressure. The diaphragm is relaxed and the external intercostal muscles are also relaxed.

Identify the True Statement About the Resting Phase in a Respiratory