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
