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Chapter 8 Egans

Chapter 8 Pulmonary Anatomy

QuestionAnswer
What are the two gestational periods? Embryonic Period and Fetal Period
How long does the embryonic period last for? 5 weeks
What are the 4 stages of the fetal period? Pseudoglandular, canalicular, terminal saccular, and alveolar
How long does the fetal period last for? 32 weeks
In which stage and week the diaphragm last for? Pseudoglandular on the 7th week
What are the 3 tissues that eventually form all tissues and organs? Endoderm, mesoderm, and ectoderm
What does the endoderm form? Epithelial lining, gas exchange membrane and respiratory system
What does the mesoderm form? Tracheobronchial tree
What does the ectoderm form? Nervous system of the respiratory system
In which stage to type I and II pneumocytes begin to form? Canalicular stage
In which week/stage can the respiratory system function? 24-26 weeks/Canalicular stage
What can increase type II pneumocyte production? Glucosteroid production
What are the 3 accessory muscles? Scalene muscles, sternocleidomastoid muscles and abdominal muscles
The mediastinum contains what major features? (4) Trachea, Heart, esophagus, and great vessels
The average pleural fluid space has how many mls? 18 mls
Created by: 1348830451