Respiratory Quiz #1, Lung and Respiratory System Embryology  

1. A 2-day-old newborn is diagnosed with a congenital diaphragmatic hernia (CDH) after presenting with severe respiratory distress immediately after birth. Which of the following embryological structures failed to develop properly, leading to CDH in this infant?

Question 1 of 6

2. During a routine prenatal ultrasound, a fetus is found to have a cystic mass within the chest cavity. Further evaluation suggests that this is a congenital cystic adenomatoid malformation (CCAM) of the lung. This condition results from abnormal development of which of the following embryonic lung structures?

Question 2 of 6

3. A neonate presents with respiratory distress and is found to have pulmonary hypoplasia. This condition could be a result of which of the following scenarios during fetal development? 

Question 3 of 6

4. A medical student is reviewing the embryological development of the respiratory system. She learns that the respiratory diverticulum (lung bud) gives rise to the trachea and bronchi. This structure originates from which germ layer? 

Question 4 of 6

5. A newborn is diagnosed with tracheoesophageal fistula and esophageal atresia. This condition is the result of abnormal development of which embryonic structure? 

Question 5 of 6

6.

Question 6 of 6


 

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