Embryology Extra Questions
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Question 1 of 42
1. Question
1. You are counseling a couple about infertility. In your discussion about conception, tubal disease, and implantation, you explain to them that implantation in the uterus occurs at which stage of development?
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Question 2 of 42
2. Question
2. A 25-year-old G2 P1 had a previous child with ambiguous external genitalia including hypertrophied clitoris and labial fusion. She and her partner are carriers of 21-alpha hydroxylase deficiency.
In this pregnancy you counsel her that her fetus has what chance of recurrence?CorrectIncorrect -
Question 3 of 42
3. Question
3. A 25-year-old G2 P1 had a previous child with ambiguous external genitalia including hypertrophied clitoris and labial fusion. She and her partner are carriers of 21-alpha hydroxylase deficiency.
She would like to prevent a recurrence. You offer her maternal dexamethasone in order to do which of the following?CorrectIncorrect -
Question 4 of 42
4. Question
4. In counseling a woman about an alcohol binge she had at 6 weeks after her last menstrual period you explain that, with the exception of the brain, organogenesis is completed within how many weeks after her last period?
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Question 5 of 42
5. Question
5. A couple of Southeast Asian ancestry are both thalassemia carriers. In counseling them you explain that the main form of hemoglobin in the normal fetus is which of the following?
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Question 6 of 42
6. Question
6. A woman has had a previous child with renal agenesis. She is a middle school biology teacher and wants to understand more about development of the kidneys. Which of the following best describes the function of pronephros?
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Question 7 of 42
7. Question
7. An amniocentesis results show a fetus with 45XO. In counseling the parents, how would you explain that the genetic sex is determined?
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Question 8 of 42
8. Question
8. A women is worried because she has been taking “body-building steroids” through week 10 of her pregnancy. One of the steroids has a strong proportion of androgens. You explain that androgens can cause which of the following?
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Question 9 of 42
9. Question
9. Germ cells arise in which of the following?
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Question 10 of 42
10. Question
10. You are counseling a 32-year-old nulligravida with breast cancer about preserving fertility. You explain that the maximal number of oogonia is found at what age?
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Question 11 of 42
11. Question
11. The paramesonephric ducts will form which of the following?
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Question 12 of 42
12. Question
12. Vaginal epithelium and the fibromuscular wall of the vagina originate from which of the following, respectively?
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Question 13 of 42
13. Question
13. The urogenital sinus is derived from which of the following?
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Question 14 of 42
14. Question
14. The labia majora are homologous to which male body part?
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Question 15 of 42
15. Question
15. The female clitoris is homologous to which of the following male body parts?
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Question 16 of 42
16. Question
16. The absence of the vagina is common in which of the following?
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Question 17 of 42
17. Question
17. Which of the following is the result of lack of fusion of the Müllerian duct system?
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Question 18 of 42
18. Question
18. During early embryonic development the germ cells must migrate. If germ cells fail to enter the developing genital ridge, which of the following is most likely to occur?
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Question 19 of 42
19. Question
19. You are giving a lecture to a college physiology class. They are fascinated with the genetics and development of hermaphrodites. You explain that true hermaphrodites have which of the following?
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Question 20 of 42
20. Question
20. In the examination of the newborn infant with ambiguous genitalia, which of the following is true?
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Question 21 of 42
21. Question
21. On ultrasound, a large isolated cyst is seen in the fetal pelvis. At birth a cloaca is seen in a female fetus. You explain to the parents that urorectal septum did not form thus resulting in which of the following?
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Question 22 of 42
22. Question
22. Of the following anomalies, which is (are) most likely to proceed to a term pregnancy?
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Question 23 of 42
23. Question
23. With regards to spermatogenesis which of the following is correct?
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Question 24 of 42
24. Question
24. Which of the following is correct with regards to spermiogenesis?
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Question 25 of 42
25. Question
25. Which of the following is correct with respect to oogenesis?
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Question 26 of 42
26. Question
26. During fertilisation which of the following events is true?
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Question 27 of 42
27. Question
27. Which of the following in incorrect in early development & implantation?
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Question 28 of 42
28. Question
28. During embryogenesis ,which of the following is incorrect?
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Question 29 of 42
29. Question
29. In organogenesis which of the following statement is correct?
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Question 30 of 42
30. Question
30. In development of the pharyngeal region which of the following holds true?
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Question 31 of 42
31. Question
31. With regards to pharyngeal region,which of the following is incorrect?
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Question 32 of 42
32. Question
32. Regarding development of the cardiovascular system,which of the following is incorrect?
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Question 33 of 42
33. Question
33. With respect to the cardiovascular system which of the following is correct?
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Question 34 of 42
34. Question
34. In development of the alimentary system which of the following is correct?
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Question 35 of 42
35. Question
35. Which of the following is incorrect with regards to development of diaphragm?
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Question 36 of 42
36. Question
36. Which of the following is incorrect with regards to development of the nervous system?
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Question 37 of 42
37. Question
37. Which of the following is correct with regards to development of the skeletal system?
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Question 38 of 42
38. Question
38. Which of the following is correct with regards to development of the muscles & skin?
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Question 39 of 42
39. Question
39. Which of the following is incorrect ,in development of the genital organs?
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Question 40 of 42
40. Question
40. During development of uterus,tubes & vagina which of the following is correct?
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Question 41 of 42
41. Question
41. Which of the following is correct with regards to development of the external genitalia?
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Question 42 of 42
42. Question
42. Which of the following is correct with respect to the developing testes?
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