14 Questions
What is the respiratory diverticulum?
A primary bronchial bud
What is the function of pulmonary surfactant?
To reduce surface tension in the alveoli and prevent lung collapse
What is the main site of gas exchange?
Type I alveolar cells
What is the process called in which the number of alveoli increases dramatically?
Alveolarization or secondary septation
What is the function of type II alveolar cells?
To initiate the formation of the gas exchange interface
What is the embryonic stage of lung development?
Weeks 4-7
What is the saccular stage of lung development?
Weeks 26-Birth
What is the main cell type responsible for gas exchange in the lungs?
Type I alveolar cells
During which stage of lung development does the production of pulmonary surfactant begin?
Canalicular stage
What is the function of pulmonary surfactant in the lungs?
Promotes lung expansion and prevents alveolar collapse
Which of the following is NOT a major element of the lung formed by the end of the pseudoglandular stage?
Gas exchange interface
What is the process called in which the bronchial tree undergoes repeated branching during lung development?
Branching morphogenesis
Which of the following is a role of growth factors and signaling molecules in lung development?
Regulating cell proliferation and differentiation
During which stage of lung development do primitive alveoli begin to form?
Canalicular stage
Test your knowledge on the fascinating process of respiratory development with our quiz! From the embryonic stage to the formation of functional lungs, this quiz covers the key events and factors involved in the development of the respiratory system. Whether you're a medical student or simply interested in the topic, challenge yourself and discover how much you know about this crucial aspect of human development.
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