resp. - safari99

[ArchivalUser]

A 43-year-old female patient has been lying down on the hospital bed for more than 4 months. Her normal, quiet expiration is achieved by contraction of which of the following structures?
(A) Elastic tissue in the lungs and thoracic wall
(B) Serratus posterior superior muscles
© Pectoralis minor muscles
(D) Serratus anterior muscles
(E) Diaphragm

[ArchivalUser]

(A) Elastic tissue in the lungs and thoracic wall

[ArchivalUser]

quiet expiration +++Elastic tissue in the lungs and thoracic wall
quiet inspiration +++diaphragm

[ArchivalUser]

A??

[ArchivalUser]

A is correct.