Developmental Biology Quiz

What is the basic body plan referred to in the objectives?

• Tube within a tube and germ layers

• Cell within a cell and organ systems

• Layer within a layer and tissues

• Tube within a cell and membranes

What is the relationship between somites and germ layers?

• Somites are segmented blocks of mesoderm that correlate with germ layer development

• Somites are segmented blocks of ectoderm that correlate with germ layer development

• Somites are segmented blocks of endoderm that correlate with germ layer development

• Somites are segmented blocks of epidermis that correlate with germ layer development

What is the function of the esophagus in the digestive system?

• Absorption of nutrients

• Transport of food from mouth to stomach

• Breakdown of fats

• Production of digestive enzymes

During which weeks does the development of the palate occur?

• Weeks 5-6

• Weeks 6-7

• Weeks 7-8

• Weeks 8-9

At what stage does the development of the ear begin?

• Week 3

• Week 4

• Week 5

• Week 6

At what stage does the development of the teeth begin?

• Week 6

• Week 7

• Week 8

• Week 9

What is the term for the inner cell mass formed when the blastula splits?

What is the first structure formed after fertilization?

During which week of early embryogenesis does gastrulation occur?

• Week 1

• Week 2

• Week 3

• Week 4

What is the initial structure that forms the bilaminar disc?

• Morula

• Blastocyst

• Embryoblast

• Zygote