Development of the Respiratory System Quiz
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Questions and Answers

What is the main focus of the text?

  • Development of the Respiratory System (correct)
  • Development of the Nervous System
  • Development of the Cardiovascular System
  • Development of the Digestive System

During which week does the lower respiratory tract development begin?

  • 4th week (correct)
  • 3rd week
  • 1st week
  • 2nd week

What is the initial appearance of the lower respiratory tract according to Larsen?

  • Respiratory fold
  • Respiratory septum
  • Respiratory pouch
  • Respiratory diverticulum (correct)

Which structure suspends the gut tube from the body wall during lower respiratory tract development?

<p>Dorsal mesentery (C)</p> Signup and view all the answers

What separates the ventral respiratory diverticulum from the dorsal part of the foregut?

<p>Tracheoesophageal septum (D)</p> Signup and view all the answers

Which part of the foregut is specifically referred to as 'the esophagus'?

<p>Dorsal portion (B)</p> Signup and view all the answers

What type of tissue covers the endodermal gut tube during development?

<p>Mesoderm (D)</p> Signup and view all the answers

'Take home message' in the text refers to the importance of which structures?

<p>'Cartilage, connective tissue, and smooth muscle of the respiratory system' (D)</p> Signup and view all the answers

What is the likely cause of Trachea-esophageal fistulas?

<p>Defect of mesoderm development (B)</p> Signup and view all the answers

Which condition is associated with the acronym VATER?

<p>Vertebral deformities, Anal atresia (A)</p> Signup and view all the answers

What does the Larsen classification system refer to in embryonic development?

<p>Development of the diaphragm and septum transversum (A)</p> Signup and view all the answers

In what week of embryonic development does the septum transversum reach the T7 level frontally and T12 level dorsally?

<p>Week 8 (D)</p> Signup and view all the answers

What nerves are responsible for the innervation of the diaphragm?

<p>Phrenic nerves (D)</p> Signup and view all the answers

What is the clinical impact of congenital diaphragmatic hernias?

<p>Interference with lung development (D)</p> Signup and view all the answers

Which structure fails to close in Congenital diaphragmatic hernias?

<p>Pleuroperitoneal membranes (A)</p> Signup and view all the answers

During which period of lung development are respiratory bronchioles first formed?

<p>Canalicular period (C)</p> Signup and view all the answers

What is the primary characteristic of Bochdalek hernia?

<p>Growth of lungs into the body cavity (D)</p> Signup and view all the answers

How many secondary bronchi are formed in the left lung?

<p>Two (B)</p> Signup and view all the answers

Which mesoderm type is involved in the formation of the pleural cavity?

<p>Both somatic and splanchnic mesoderm (C)</p> Signup and view all the answers

What regulates the branching during lung development?

<p>Fibroblast growth factor (FGF) (D)</p> Signup and view all the answers

How many lobes are present in the right lung?

<p>Three (C)</p> Signup and view all the answers

What divides the thoracic cavity into pleural and pericardial spaces?

<p>Pericardioperitoneal canals (B)</p> Signup and view all the answers

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