Embryology of the GI tract Flashcards
1
Q
Which is a derivative of hind gut?
a. Cecum
b. Jejunum
c. Descending colon
d. Appendix
A
C
2
Q
The following arise as diverticula from the foregut except
a. Pancreas
b. Respiratory system
c. Liver
d. Spleen
A
D
3
Q
Intraembryonic coelom develops from the following A. Paraxial mesoderm B. Intermediate mesoderm C. Lateral plate mesoderm D. Extra-embryonic mesoder
A
C
4
Q
The duodenum arises from the A. Foregut B. Midgut C. Hindgut D. Foregut and midgut
A
D
5
Q
The dorsal bud of the pancreas forms the following EXCEPT A. Head of pancreas B. Body of pancreas C. Tail of pancreas D. Uncinate process
A
D
6
Q
The primitive gut arises from the following embryonic structure A. Amniotic cavity B. Chorionic cavity C. Primary yolk sac D. Secondary yolk sac
A
D
7
Q
The gallbladder arises as a bud from the A. Hepatic duct B. Bile duct C. Duodenum D. Liver
A
B
8
Q
The foregut is supplied by branches of the A. Celiac trunk B. Splenic C. Superior mesenteric D. Inferior mesenteric
A
A
9
Q
The development of the following organ divides the ventral mesentery A. Stomach B. Esophagus C. Jejenum D. Liver
A
D
10
Q
During development of the gut
A. The pancreas is initially intraperitoneal but becomes secondarily retroperitoneal
B. The liver arises as ventral and dorsal endodermal buds that then fuse into a single organ
C. The foregut is supplied by the SMA
D. The entire lumen of the GIT remains open throughout development
A
A
11
Q
Meckel’s diverticula, vitelline cysts, or vitelline fistulas are most commonly found in association with A. The bladder B. The duodenum C. The jejenum D. The ileum
A
D
12
Q
Failure of the cloacal membrane to break down can result in a/an A. Imperforate anus B. Hirschsprung’s disease C. Omphalocoele D. Gastroschisis
A
A
13
Q
The greater omentum is derived from the A. Dorsal mesentery of the colon B. Dorsal mesentery of the small intestine C. Ventral mesentery of the liver D. Dorsal mesentery of the stomach
A
D