Template:BGDA Practical 6 - Week 3 Interactive

Week 3 Interactive Component

Attempt the Quiz - Week 3

Here are a few simple Quiz questions that relate to Week 3 (GA week 5) from the lecture and practical. Point added for a correct answer:    Points for an incorrect answer: Ignore the questions' coefficients: 1 During embryonic disc folding in week 3 only the ectoderm layer folds ventrally left, right and above and below the notochord.   true   false 2 Which of the following is the most correct statement about the primitive streak:   extends from the primitive node to the parachordal plate   is a primary inducer during organogenesis   is a site of migration of epiblast cells to form the mesoderm   persists as the parachordal plate   all of the above are correct 3 The migration of intra-embryonic mesoderm occurs between the ectoderm and endoderm to give rise to:  the buccopharyngeal membrane  the cloacal membrane  the allantois  the somites  all of the above 4 The buccopharyngeal membrane is made up of:  embryonic ectoderm, mesoderm and endoderm  endoderm fused with mesoderm  ectoderm fused with mesoderm  ectoderm fused with endoderm  the cephalic end of notochordal process 5 The intraembryonic coelom finally forms   pericardial, pleural and peritoneal cavity.   single pericardial cavity and two pleural and two peritoneal cavities.   neural tube lumen, gastrointestinal tract lumen and neural crest.   the paired dorsal aortas running the embryo. 6 The amniotic cavity appears initially as a slit-like space within the:   exocoelomic (Heuser’s) membrane   extra-embryonic mesoderm   ectoderm   connecting stalk   endoderm