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Embryology Test Practice Questions
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Embryology Test Practice Questions
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25 Questions

1. in the formation of the secondary palate, the palatal shelves are located where?

2. Develops as a ventral diverticulum of the pharynx at the caudal aspect of the 2nd pouch.

3. formation of what completes the division of the nasal and oral cavities?

4. What is an indeterminate cleavage?

5. Where does the first signal come from?

6. Are the ionic concentratons the same of different between the perilymph and endolymph?

7. The optic cup will form what?

8. Where is the connective tissue of the glands derived from?

9. As the thyroid gland descends, what two things does it fuse to?

10. What grows inward and over the developing lens?

11. What gets incorporated into the optic stalk and vesicle as the optic cup is forming?

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

13. forms the posterior 1/3 of the tongue.

14. The neural tube closes in both the _____________and _____________directions.

15. What is the mesenchyme of the head derived from?

16. Does the circulatory systems of mother and fetus directly connect?

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

18. Where does gas and nutrient exchange, respiration, and waste disposal occur?

19. The anterior 2/3 of the tongue forms from the _____________ which overgrow the ______________ prior to fusing in the midline.

20. After birth what are the changes to the circulation?

21. What are the four extra-embryonic membranes?

22. What four things does the mesodermal core of each pharyngeal arch contain?

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

24. What are the two divisions of the skull?

25. What do inner ears arise from?

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