BGD Practical - Gastrointestinal Quiz

From Embryology
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Here are a few simple questions that relate to your BGD practical, this page is not a part of today's Practical class.

  • You should try in your own time as self-directed learning after completing the Practical today.
  • If you get some wrong, read the displayed information with the answer, and try working again through the Lecture and Practical.
  • If you like this form of self-directed learning, please let me know by email and I will develop some more questions for you.
  • I am currently developing some more GIT Questions for 2016, come back after the practical classes have finished.
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See also the 1 Minute Embryology introduction to GIT.

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1

During week 3 which of the following early embryonic structures is/are established by gastrulation:

the coelomic space
the epiblast and hypoblast layers
the endoderm and mesoderm layers
the connecting stalk.

2

During embryonic disc folding in week 3 only the ectoderm layer folds ventrally left, right and above and below the notochord.

true
false

3

The intraembryonic coelom is a horse-shoe shaped cavity that develops in the lateral plate mesoderm from a series of smaller cavities fusing. Which of the following descriptions best describes the structure that then forms in this region.

somatic mesoderm close to ectoderm, the intraembryonic coelom and the splanchnic mesoderm closest to the endoderm.
somitic mesoderm close to ectoderm, the intraembryonic coelom and the splanchnic mesoderm closest to the endoderm.
somatic mesoderm close to endoderm, the intraembryonic coelom and the splanchnic mesoderm closest to the ectoderm.
somitic mesoderm close to endoderm, the intraembryonic coelom and the splanchnic mesoderm closest to the ectoderm.
intermediate mesoderm medially close to somites and laterally close to the intraembryonic coelom.
none of the above.

4

The intraembryonic coelom finally forms

the pericardial, pleural and periotoneal cavities.
a single percardial cavity and two pleural and two peritoneal cavities.
the neural tube lumen, gastrointestinal tract lumen and neural crest.
the cavities of the paired dorsal aortas running the length of the embryo.

5

The liver is formed from which of the following embryonic structures.

the septum transversum
the vitelline veins.
the placental veins.
the gastrointestinal endoderm.
all of the above.

6

The following gastrointestinal tract structures undergo developmental rotation except:

stomach
duodenum
ventral pancreas
midgut
hindgut

7

The caudal part of the midgut loop forms many intestine structures except:

distal ileum
vitelline duct
cecum
ascending colon
proximal part of transverse colon




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BGDB: Lecture - Gastrointestinal System | Practical - Gastrointestinal System | Lecture - Face and Ear | Practical - Face and Ear | Lecture - Endocrine | Lecture - Sexual Differentiation | Practical - Sexual Differentiation | Tutorial


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Cite this page: Hill, M.A. (2018, May 28) Embryology BGD Practical - Gastrointestinal Quiz. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/BGD_Practical_-_Gastrointestinal_Quiz

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© Dr Mark Hill 2018, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G