Exam 3: BIOS255 / BIOS 255 (Latest
Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Review Questions & Answers | 100% Correct | Grade A - Chamberlain
Question:
respiratory membrane
Answer:
thin barrier between the alveolar air and blood
Question:
The respiratory membrane consists of three layers:
Answer:
squamous alveolar cells endothelial cells of blood capillary their shared basement membrane
- / 3
Question:
Describe the layers of the pleura membrane and the location relative to the lungs (essay 1)
Answer:
The pleura membrane consist of two layers:
1. Visceral pleura: covers the surface of lungs
2. Parietal pleura: lines the inner surface of the chest wall.
Between them is the pleura cavity, containing fluid that reduces friction during breathing. If fluid or air abnormally enters this space, it leads to pleura effusion, affecting lung function
Question:
Diaphragm
Answer:
Contracts and drops during inhalation Relaxes and moves upward during exhalation Innervsted by intercostal nerves
Question:
accessory muscles
Answer:
act mainly in forced respiration 2 / 3
Question:
Inspiration muscles (inhale)
Answer:
external intercostals diaphragm External intercostals Sternocleidomastoid Scalenes Pectoral's minor
Question:
forced expiration
Answer:
internal intercostals Diaphragm Abdominal muscles External oblique Serratus posterior
- / 3