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Lecture 2 GIT development
1) About the development of oesophagus, all of the following is correct except:
A. It undergoes obliteration and canalization to help increase its diameter
B. It is affected by growth of lung and descent of heart
C. It contains striated and smooth muscles
D. Its muscles develop from endoderm of foregut
E. It becomes separated from trachea by a septum
2) About the development of oesophagus, all of the following is correct except:
A. incomplete recanalization causes stenosis
B. short esophagus causes hiatus hernia
C. absent ganglia causes a dilated segment and subsequent constricted area above
D. Its muscles develop from mesoderm
E. Atresia usually associates trachea-oesophageal fistula
3) A new born baby complaining of severe attacks of cough after feeding, it may be
due to…………
A. Transposition of stomach
B. Congenital hypertrophic pyloric stenosis
C. Long oesophaus
D. Trachea-oesophageal fistula
E. Oesophageal stenosis
4) Failure of neural crest cells to reach to oesophagus cuases…………
A. Short oesophagus
B. megaoesophagus
C. Long oesophaus
D. Trachea-oesophageal fistula
E. Oesophageal atresia
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5) As the stomach acquires its adult shape, it rotates around its longitudinal axis.
Which of the following events does not result from this rotation?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the left.
C. The left vagus becomes anterior
D. The cranial end descends downwards and to left
E. The duodenum rotates to the right.
6) As the stomach acquires its adult shape, it rotates around its anteroposterior
axis. Which of the following events results from this rotation?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the right.
C. The right vagus becomes anterior
D. The caudal end ascends upwards and to right
E. The duodenum rotates to the right.
7) In case of transposition of stomach, the following occurs…….?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the left.
C. The right vagus becomes anterior
D. The caudal end ascends upwards and to left
E. The duodenum rotates to the right.
8) A newborn baby showing attacks of severe vomiting after feeding may be due to:
A. Transposition of stomach
B. Congenital hypertropic pyloric stenosis
C. Oesophageal atresia
D. Abnormally long oesophagus
E. Abnormal stomach rotation
9) A newborn showing attacks of dyspnea after feeding and x-ray showed gastric
air bubbles in thorax, it may be a case of……….
A. Transposition of stomach
B. Oesophageal atresia
C. Short oesophagus (hiatus hernia)
D. Oesophageal stenosis
E. Megaoesophagus
Lecture 2 GIT development
1) About the development of oesophagus, all of the following is correct except:
A. It undergoes obliteration and canalization to help increase its diameter
B. It is affected by growth of lung and descent of heart
C. It contains striated and smooth muscles
D. Its muscles develop from endoderm of foregut
E. It becomes separated from trachea by a septum
2) About the development of oesophagus, all of the following is correct except:
A. incomplete recanalization causes stenosis
B. short esophagus causes hiatus hernia
C. absent ganglia causes a dilated segment and subsequent constricted area above
D. Its muscles develop from mesoderm
E. Atresia usually associates trachea-oesophageal fistula
3) A new born baby complaining of severe attacks of cough after feeding, it may be
due to…………
A. Transposition of stomach
B. Congenital hypertrophic pyloric stenosis
C. Long oesophaus
D. Trachea-oesophageal fistula
E. Oesophageal stenosis
4) Failure of neural crest cells to reach to oesophagus cuases…………
A. Short oesophagus
B. megaoesophagus
C. Long oesophaus
D. Trachea-oesophageal fistula
E. Oesophageal atresia
, 21
5) As the stomach acquires its adult shape, it rotates around its longitudinal axis.
Which of the following events does not result from this rotation?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the left.
C. The left vagus becomes anterior
D. The cranial end descends downwards and to left
E. The duodenum rotates to the right.
6) As the stomach acquires its adult shape, it rotates around its anteroposterior
axis. Which of the following events results from this rotation?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the right.
C. The right vagus becomes anterior
D. The caudal end ascends upwards and to right
E. The duodenum rotates to the right.
7) In case of transposition of stomach, the following occurs…….?
A. The ventral border of the stomach moves to the right.
B. The dorsal border of the stomach moves to the left.
C. The right vagus becomes anterior
D. The caudal end ascends upwards and to left
E. The duodenum rotates to the right.
8) A newborn baby showing attacks of severe vomiting after feeding may be due to:
A. Transposition of stomach
B. Congenital hypertropic pyloric stenosis
C. Oesophageal atresia
D. Abnormally long oesophagus
E. Abnormal stomach rotation
9) A newborn showing attacks of dyspnea after feeding and x-ray showed gastric
air bubbles in thorax, it may be a case of……….
A. Transposition of stomach
B. Oesophageal atresia
C. Short oesophagus (hiatus hernia)
D. Oesophageal stenosis
E. Megaoesophagus
