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Chapter: 11 / Q: 1
A young mother brings her recently born infant into your office and complains that the infant gags and chokes after swallowing milk. A physical examination indicates excessive saliva and mucus around the mouth and nose, abdominal distention, pneumonitis, and radiographs indicate air the infant’s
Chapter: 11 / Q: 2
Within hours after birth, a baby whose mother is diabetic had a rising respiratory rate and labored breathing. The baby became cyanotic and died. Postmortem his- tological examination revealed collapsed alveoli lined with eosinophilic material. What is the diagnosis?
Chapter: 11 / Q: 3
The trachea is lined with pseudostratified ciliated columnar epithelium with goblet cells. This epithelium is derived from
Chapter: 11 / Q: 4
Smooth muscle, connective tissue, and cartilage of primary bronchi are derived from which of the following sources?
Chapter: 11 / Q: 5
Components of the blood–air barrier in the lung are derived from which of the following sources?
Chapter: 11 / Q: 6
The respiratory diverticulum initially is in open communication with the primitive foregut. Which of the following embryonic structures is responsible for separating these two structures?
Chapter: 11 / Q: 7
Collapse of bronchi caused by failure of bronchial cartilage development is indica- tive of which one of the following congenital malformations?
Chapter: 11 / Q: 8
Pulmonary hypoplasia is commonly asso- ciated with which condition?
Chapter: 11 / Q: 9
Development of which of the following is the first sign of respiratory system develop- ment?
Chapter: 11 / Q: 10
In which stage of lung maturation is the blood–air barrier established?
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