What is the primary source of blood for the pulmonary capillary beds involved in gas exchange?
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Correct answer: Pulmonary arteries
The pulmonary arteries carry deoxygenated blood from the right ventricle to the lungs. These arteries branch extensively until they form the capillary plexuses surrounding the alveoli.
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More Pulmonary Capillaries questions
- Leukocytes (WBCs) can sometimes be found 'marginally' in pulmonary capillaries. This refers to:
- Which type of capillary is most characteristic of the pulmonary alveolar walls?
- What is the primary function of the pulmonary capillary network within the alveolar septum?
- Which of the following describes the relationship between the pulmonary capillary endothelium and the alveolar epithelium?
- How does the diameter of a pulmonary capillary compare to the diameter of a red blood cell (RBC)?
- Which enzyme is found in high concentrations on the luminal surface of pulmonary capillary endothelial cells?