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Chapter 8 Egans
Chapter 8 Pulmonary Anatomy
Question | Answer |
---|---|
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 |