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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. What does the ureteric bud interact with and What does it induce it to become?






2. When does hcG get secreted? What does it do?up until when ?






3. What is the mcc of renovascular hypertension in children? What does this predispose to?






4. Which branchial apparatus develops into the inferior parathyroids?






5. What does the first branchial pouch create?






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






7. Which parts of the pancreas contribute to the head - uncinate process and main pancreatic duct?






8. From What embryonic layer are the pia and arachnoid from?






9. What is germinal matrix hemorrhage associated with?






10. Where is the most common ectopic thyroid tissue?






11. What does DHT turn the urogenital folds into? estrogen?






12. What embryologic structure provides the aorticpulmonary septum?






13. failure to close of what fold results in sternal defects? omphalocele? gastrochisis? bladder extrosphy?






14. which tracts are damaged first in syringomelia? What tract is preserved?






15. What do the 2nd through 4th clefts of the branchial apparatus correlate to?






16. Does malformation occur during or after the embryonic period? is it due to an extrinsic or intrinsic disruption?






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






18. From What embryonic layer is the kidney and the adrenal cortex from?






19. From What embryonic layer does the epithelial linings of the oral cavity arise?






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






21. From What embryonic layer does connective tissue and muscle arise?






22. What causes the transposition of the great vessels? What does it result in?






23. From What embryonic layer does the gut tube derivatives arise (lungs liver - pancreas - parathryroid - thyroid follicular cells - thymus)?






24. What artery is derived branchial (aortic) arch 2?






25. What is the female remnant of the gubernaculum? male remnant?






26. From what region does the midbrain form from?






27. From What embryonic layer are the dorsal root and celiac ganglion from?






28. What day is the chorion formed?






29. What separates the ant 1/3 and post 2/3 of tongue?






30. Cleft lip is a failure of formation of the...






31. what else is the caudal regression known as? What two teratogen can cause this in the fetus?






32. What teratogen can cause vaginal clear cell adenocarcinoma in the fetus?






33. From what region does the cerebral hemisphere form?






34. The spinal cord is made from...






35. Gastroschisis is extrusion of abdominal contents out of abdominal folds ___________ by peritoneum






36. What type of blood do umbilical veins carry? From where to where?






37. what invaginates to form the primitive streak?






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






39. From where is the allantois formed? During what week?






40. Most myelomeningoceles present in the _______ region






41. What axis is Wnt 7 responsible for developing?






42. Where is the FGF gene produced? What is it responsible for - How does it do this?






43. Monochorionic - ___________ twins are conjoined






44. What is used to keep the PDA open?






45. Weeks _______ erythropoiesis takes place in the liver






46. What does DHT turn the genital tubercle into? estrogen?






47. From What embryonic layer does the neurohypophysis arise?






48. Which part of the branchial apparatus makes up membranes?






49. From What embryonic layer does the retina arise?






50. What three components make up the branchial/pharyngeal apparatus?







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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