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Embryology Test Practice Questions
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Embryology Test Practice Questions
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25 Questions

1. What type of hearing loss involves damage to the cochlea or brain?

2. innervates the posterior 1/3 of the tongue.

3. forms the superior parathyroid and ultimopharyngeal body?

4. What do both the neurocranium and viscerocranium have?

5. The optic cup will form what?

6. The spinal cord develops from inductive signals from the ____________and the ______________.

7. What is invaded by neural crest cells and mesenchyme from the second ph arch?

8. The thyroid, cricoid, and laryngeal cartilages are all cartilage derivatives of which pharyngeal arch?

9. What forms the statoacoustic ganglion?

10. What are the two divisions of the skull?

11. What are two examples of outer and middle ear abnormalities?

12. What are the tissues, organs derived from the ectoderm?

13. What are the cartilage derivatives of the first pharyngeal arch?

14. The middle ear cavity and auditory tube develop from what?

15. What does the nervous system develop from?

16. Which hemoglobin (fetal or adult) has a greater affinity for oxygen?

17. What forms as spaces in the mesenchyme?

18. By when does ossification begin--meaning the bony labyrinth is forming?

19. Decends ventral to the hyoid bone and laryngeal cartilages before coming to rest below the thyroid cartilage?

20. Which cranial nerve is associated with the sixth pharyngeal arch?

21. What separates the nasal pit from the oral cavity?

22. Where are the vestibular ganglion cells?

23. What forms the cranial base and part of the cranial vault, voluntary muscles of the craniofacial region, dermis, connective tissues, and meninges that are caudal to the prosencephalon.

24. What gives rise to the central nervous system (brain and spinal cord)

25. As the thyroid extend it remains connected to the base of the pharynx by the _______________.

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