The structures that form the respiratory membrane include: (1)elastic fibers
(2)secondary bronchioles
(3)the basement membrane of the alveolar epithelium
(4)the pulmonary nerve plexus
(5)capillary walls
A)All of the answers are correct.
B)None of the answers are correct.
C)3, 5
D)2, 4
E)2, 4, 5

Question

Quizplus · Accepted Answer

The respiratory membrane is the site of gas exchange between the lungs and blood vessels, and is composed of the basement membrane of the alveolar epithelium and capillary walls. Elastic fibers, secondary bronchioles, and the pulmonary nerve plexus are not part of this structure. Therefore, only options 3 and 5 are correct.

The Structures That Form the Respiratory Membrane Include: (1)elastic Fibers