Most of the lining layer of a pulmonary alveolus is composed of... A. simple squ

Question

Most of the lining layer of a pulmonary alveolus is composed of...

A. simple squamous epithelium

B. respiratory epithelium

C. respiratory epitheliocytes

D. if 2 of the above are correct, choose this response

#2- Which item is false concerning the pulmonary surface?

A. the anterior, lateral, and posterior aspects of a lung are collectively called its costal surface

B. the right lung has more interlobar surfaces than the left lung

C. the hilum of a lung is located on its mediastinal surface

D. the diaphragmatic surface of a ling is coated with diaphragmatic pleura

E. one of the places that the costal surface of a lung meets the mediastinal surface is the apex of that lung

Explanation / Answer

Most of the lining of pulmonary alveolus is by simple squamous epithelium and they are composed of repiratory epitheliocytes which are one of the layer of air blood barrier.

#2

All statement given above are correct.

Costal surface of lung which faces ribs, intercostal cartilage, thoracic wall etc. Right lumg have more lobe than left. Hilum is middle part of lung where all entry and exit done in lung. Diaphragmatic pleura separate some surface of lung. Apex is upper most part of lung where costal and mediastinal surface meets.

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