Test your basic knowledge |

USMLE Embryo

Subjects : health-sciences, usmle
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. From what aortic arch does the common carotid artery arise? what else arises from this arch?






2. What is hypoplasia? is primordial tissue present?






3. What does the first branchial pouch create?






4. What causes the increase in left atrial pressure to close the fossa ovale?






5. From What embryonic layer are the schwann cells from ?






6. At what week does the fetus look like a baby?






7. What embryonic structure gives rise to the ascending aorta? what else does it give rise to?






8. Cleft palate is a failure of fusion of the lateral palatine processes - the nasal septum and or the ________?






9. Where is Wnt 7 gene produced?






10. What is the homeobox gene responsible in developing? (What axis)






11. From what arches are the neural crest cells that form the aorticpulmonary septum derived?






12. From where to Where is the foregut derivative? midgut? hindgut?






13. What is perinauds syndrome?






14. During what periods do the damages that cerebral palsy causes occur?






15. Which branchial apparatus derivative makes the tympanic membrane of the ear?






16. Which branchial arch derivative is obliterated?






17. From what region do the thalami form?






18. From What embryonic layer does the inner arise?






19. Which branchial derivative accounts for the sensation and taste in the posterior 2/3 of the tongue? how about the very back?






20. is epispadias or hypospadias associated with exstrophy of the bladder?






21. What does the foramen ovale shunt blood from - to where? What is its remnant?






22. What part of the fetal comp of the placenta secretes hCG? is this part on the inner or outer layer of the chorionic villi? does it make cells?






23. What day is the chorion formed?






24. What do the groove/clefts of the branchial apparatus correlate to?






25. From What embryonic layer does the parathyroid arise ?






26. what other facial defect other than cyclopia is associated with holoprosencephaly?






27. Which is more common - epispadias or hypospadias?






28. What part of the vagina does the mullerian duct form? Where does the rest come from?






29. From What do the embryoblast and trophoblast form from? What does the embryoblast split into? the trophoblast?






30. From what aortic arch does the first part of the maxillary artery arise?






31. which posterior fossa malformation results in aqueductal stenosis and hydrocephaly? what other spinal cord lesion does this malformation present with?






32. What embryological structure gives rise to the trabeculated parts of the left and right ventricle?






33. From What embryonic layer does bone arise ?






34. When is most important to take folic acid to prevent neural tube defects?






35. From What embryonic layer are the melanocytes from?






36. What causes urine discharge from the umbilicus?






37. Blood coming in the umbilical vein is ____ saturated






38. From What embryonic layer is the vagina from? testes? ovaries?






39. What is Treacher Collins syndrome? What is the result?






40. What happens in pancreas divisum? what results?






41. Other than not having a brain - what else is a symptom of anencephaly? why? hint: think about amniotic fluid






42. From What embryonic layer is the spleen from?






43. What are the neural crest cells and where do they come form? where do they go?






44. From where does the prostate develop? seminal vesicles? fallopian tube? lower 2/3 of the vagina? ejaculatory duct? epididymis? uterus? upper 1/3 of the vagina?






45. Where is erythropoeisis in the weeks 3-8 of fetal development? Where does it occur after that? until when?






46. What gene is produced in the zone of polarizing activity?






47. What is a zygote?






48. What are the two walls of the prosencephalon and What do they become?






49. What is a teratogen that causes Ebsteins anomaly? What is ebsteins anomaly?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


50. What is the leading cause of birth defects in the US? what else is this perpetrator the leading cause of?