Talk:BGDB Face and Ear - Quiz: Difference between revisions

@@ Line 4: / Line 4: @@
 <quiz display=shuffle>
-{The gastrointestinal tract embryonic dorsal mesentery forms the adult:
-|type="()"}
-- falciform ligament
-- hepatogastric ligament
-- hepatoduodenal ligament
-- lesser omentum
-+ gastrosplenic ligament
-||The '''gastrosplenic ligament''' connects the stomach to the spleen and is derived from the embryonic dorsal mesentery. The remainder of the choices are all formed from the embryonic ventral mesentery.
-{The gastrointestinal tract has three subdivisions supplied by their own arterial branch  from the abdominal aorta. The foregut is supplied by:
-|type="()"}
-- superior mesenteric artery
-- left gastric artery
-+ celiac artery
-- jejunal artery
-- inferior mesenteric artery
-||The gastrointestinal tract has three subdivisions (foregut, midgut, hindgut) supplied by their own arterial branch from the abdominal aorta. The '''celiac artery''' supplies the foregut. The superior mesenteric artery supplies the midgut and the inferior mesenteric artery supplies the hindgut. The Left gastric artery is a branch of the celiac artery and the Jejunal artery is a branch of the superior mesenteric artery.
 {The adult human upper and lower jaw bones are formed by:
@@ Line 34: / Line 15: @@
 ||Membranous ossification forms both the upper (maxillary) and lower (mandibular) jaw bones. Meckel's cartilage is a template for the lower jaw formation only, and may remain as a fibrous remnant within the mandible. Reichert's cartilage is from the second arch cartilage and is not a jaw structure. Pharyngeal arch neural crest forms only the cartilage template for the jaw and the first pharyngeal membrane forms the tympanic membrane.
-{The sequential development of the genital system can best be described as:
+{The embryonic cartilage that develops in the first pharyngeal arch is derived from:
 |type="()"}
-- internal and external genital tract dependent upon primordial germ cell hormone secretion
+- somite mesoderm
-+ gonadal differentiation and hormone secretion determining internal then external tract development
++ neural crest
-- mesonephric duct hormone secretion forming genital ridge then internal and external tract development
+- unsegmented paraxial mesoderm
-- internal tract determining gonadal then hormone secretion for external tract development
+- lateral plate mesoderm
-- paramesonephric  duct forming genital ridge then hormone secretion for internal and external tract development
+- sclerotome
-||Differentiation of the initially indifferent gonad is required before internal tract and then external tract development. Both the latter require gonad development and will be abnormal without this first step. Mesonephric duct is present beside the early genital ridge, but does not induce its differentiation. Paramesonephric duct forms after gonad determnation.
+||Neural crest cells migrate into the pharyngeal arches and differentiate into cartilage. In the first pharyngeal arch they form Meckel's cartilage. Cartilage in arch 1, 2 and 3 appear to be neural crest in origin.
+|type="()"}
 {The allantois, cloaca, hindgut and yolk sac are all lined with endoderm

Latest revision as of 14:31, 20 June 2011

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 after completing the Practical today.Take the quiz and see what you know, if you get some wrong, try working through through the .

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Points for an incorrect answer:
Ignore the questions' coefficients:

1 The adult human upper and lower jaw bones are formed by:

	membranous ossification
	Reichert's cartilage
	Meckel's cartilage
	pharyngeal arch neural crest
	first pharyngeal membrane

2 The embryonic cartilage that develops in the first pharyngeal arch is derived from:

	somite mesoderm
	neural crest
	unsegmented paraxial mesoderm
	lateral plate mesoderm
	sclerotome

3 The allantois, cloaca, hindgut and yolk sac are all lined with endoderm

	true
	false

4 The cells in the adult male and female gonad forming from equivalent primordial cells in each sex are:

	Sertoli cells and thecal cells
	Leydig cells and interstitial cells
	primordial germ cells and oocytes
	thecal cells and interstitial cells
	ductus deferens and mesonephric ducts

5 Select the correct options below for the embryonic contribution to the female uterus and vagina

	Wolffian duct
	Utereric duct
	Mullerian duct
	paramesonephric duct
	urogenital sinus

6 The relative movement of organs with the peritoneal cavity can best be described as:

	descent of the adrenal glands and gonads
	ascent of the adrenal glands and genital tubercle
	ascent of the kidneys and descent of the gonads
	descent of the kidneys and adrenal glands
	none of the above

7 The genital tubercle and inner genital folds form the same adult structures in both sexes.

	true
	false

8 Select the correct options below describing aspects of gonad development

	testis cortical and ovary medullary
	ovary cortical and testis medullary
	prenatal meiosis in the ovary germ cells
	prenatal meiosis in the testis germ cells
	prenatal mitosis in the ovary germ cells

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Cite this page: Hill, M.A. (2024, May 4) Embryology BGDB Face and Ear - Quiz. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Talk:BGDB_Face_and_Ear_-_Quiz

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