BIO 351 Module 5 Exam with |! |! |! |! |! |!
precise answers |!
The craniofacial skeletal tissues are primarily derived from a combination of
|! |! |! |! |! |! |! |! |! |! |!
___________ and _________? - Correct answer ✔Cranial neural crest,
|! |! |! |! |! |! |! |! |!
mesoderm
Which of the following embryonic structures gives rise to Meckel's cartilage,
|! |! |! |! |! |! |! |! |! |! |!
the precursor of the mandible? - Correct answer ✔Pharyngeal Arch 1
|! |! |! |! |! |! |! |! |! |!
Which of the following are necessary for cranial neural crest cell
|! |! |! |! |! |! |! |! |! |! |!
multipotency and survival? - Correct answer ✔FGF8 |! |! |! |! |! |!
A farmer has several ewes that gave birth to lambs with cyclopia and midline
|! |! |! |! |! |! |! |! |! |! |! |! |! |!
craniofacial defects. This is most likely due to which of the following? -
|! |! |! |! |! |! |! |! |! |! |! |! |!
Correct answer ✔Exposure to agents that antagonize Shh signaling
|! |! |! |! |! |! |! |!
In the early embryo what signals must occur together in the splanchnic
|! |! |! |! |! |! |! |! |! |! |! |!
mesoderm for cardiogenic mesoderm to be specified? - Correct answer
|! |! |! |! |! |! |! |! |! |!
✔DKK, Crescent, Cereberus, FGF8, and BMP
|! |! |! |! |!
Which of the following represents an important outcome of looping? -
|! |! |! |! |! |! |! |! |! |! |!
Correct answer ✔Establishment of left-right asymmetry
|! |! |! |! |!
precise answers |!
The craniofacial skeletal tissues are primarily derived from a combination of
|! |! |! |! |! |! |! |! |! |! |!
___________ and _________? - Correct answer ✔Cranial neural crest,
|! |! |! |! |! |! |! |! |!
mesoderm
Which of the following embryonic structures gives rise to Meckel's cartilage,
|! |! |! |! |! |! |! |! |! |! |!
the precursor of the mandible? - Correct answer ✔Pharyngeal Arch 1
|! |! |! |! |! |! |! |! |! |!
Which of the following are necessary for cranial neural crest cell
|! |! |! |! |! |! |! |! |! |! |!
multipotency and survival? - Correct answer ✔FGF8 |! |! |! |! |! |!
A farmer has several ewes that gave birth to lambs with cyclopia and midline
|! |! |! |! |! |! |! |! |! |! |! |! |! |!
craniofacial defects. This is most likely due to which of the following? -
|! |! |! |! |! |! |! |! |! |! |! |! |!
Correct answer ✔Exposure to agents that antagonize Shh signaling
|! |! |! |! |! |! |! |!
In the early embryo what signals must occur together in the splanchnic
|! |! |! |! |! |! |! |! |! |! |! |!
mesoderm for cardiogenic mesoderm to be specified? - Correct answer
|! |! |! |! |! |! |! |! |! |!
✔DKK, Crescent, Cereberus, FGF8, and BMP
|! |! |! |! |!
Which of the following represents an important outcome of looping? -
|! |! |! |! |! |! |! |! |! |! |!
Correct answer ✔Establishment of left-right asymmetry
|! |! |! |! |!
