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DAA Test 1 Embryology Questions With Complete Solutions.pdf 100% correct
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- Daa
- Institution
- Parker University
DAA Test 1 Embryology Questions With Complete S
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DAA TesT 1 embryology QuesTions WiThCompleTe soluTions
The central nervous system is derived from which of the following germ layers?
A. endoderm
B. ectoderm
C. Mesoderm –correct answer B. ectoderm
The dorsal dermis is derived from which of the following regions of the mesoderm?
A. paraxial (somites)
B. Lateral
C. Intermediate - correct answer A. paraxial (somites)
The ventral dermis is derived from which of the following regions of the mesoderm?
A. Intermediate
B. Lateral
C. Paraxial (somites) - correct answer B. lateral
, Which of the following are spaces that appear in the syncytiotrophoblast during the 2nd week of
development, and will eventually fuse and become filled with maternal blood?
A.
hypoblast cells
B.
trophoblasts
C.
lacunae
D.
blastocyst cavities - correct answer C. Lacunae
The notochord is derived from (develops from) the ectoderm.
True or False - False (it comes from mesoderm)
By around day 10, the conceptus is completely embedded into the endometrium (uterine wall). Which of
the following is the best choice that identifies the cells that are most responsible for embedment?
A.
cytotrophoblasts
B.
syncytiotrophoblasts
C.
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