Chapter 15 Questions

Question 1

Which of the following is most closely associated with a disturbance of neural crest?
A. Anal atresia
B. Meckel's diverticulum 
C. Omphapcele 
D. Volvulus
E. Aganglionic megacolon

Answer 1

E. Aganglionic megacolon

Question 2

Merkel's diverticulum is most commonly located in the:
A. Ileum 
B. Ascending colon
C. Jejunum
D. Transverse colon
E. Duodenum

Answer 2

A. Ileum

Question 3

The primordium of which structure is located in the septum transversum?
A. Dorsal pancreas
B. Lung
C. Liver 
D. Thymus 
E. Spleen

Answer 3

C. Liver

Question 4

The yolk stalk is most closely associated with which artery?
A. Celiac 
B. Umbilical 
C. Superior mesenteric
D. Aorta 
E. Inferior mesenteric

Answer 4

E. Inferior mesenteric

Question 5

The dorsal pancreatic bud is initially induced from the gut endoderm by the:
A. Liver
B. Notochord 
C. Lung bud
D. Yolk sac
E. None of the above

Answer 5

B. Notochord

Question 6

Splanchnic mesoderm acts as an inducer of all of the following tissues and organs except:
A. Teeth
B. Trachea 
C. Liver 
D. Lungs 
E. Pancreas

Answer 6

A. Teeth