Bi Laminar Germ DiskEmbryology Lab

Second Week & Germ Layers Embryology MCQs: mixed practice questions

Try 4 sample questions drawn from across Second Week & Germ Layers. Tap an answer to check it.

1. What structure suspends the embryoblast within the chorionic cavity?

   From: Bilaminar Germ Disc
   A. Prochordal plateB. Yolk-sac membraneC. Cloacal membraneD. Primitive nodeE. Connecting stalk

2. What is another name for the chorionic cavity?

   From: Extraembryonic Structures
   A. Extraembryonic coelomB. Blastocyst cavityC. Amniotic cavityD. Intraembryonic coelomE. Yolk-sac cavity

3. What is the relationship between epiblast and definitive ectoderm?

   From: Gastrulation
   A. Ectoderm derives from hypoblastB. Definitive ectoderm is the remaining epiblast after mesoderm and endoderm formC. Ectoderm derives from trophoblastD. Ectoderm is extraembryonic mesodermE. Ectoderm forms from yolk sac

4. Which signal is associated with future left-sided activity?

   From: Notochord & Body Axis
   A. Sonic hedgehog (Shh)B. hCGC. ProgesteroneD. ErythropoietinE. Insulin