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42 Cards in this Set
- Front
- Back
1. The muscularis externa of the small intestine is derived from ____ mesoderm.
A. paraxial B. somatic C. intermediate D. splanchnic |
D. splanchnic
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2. Which of the following supplies derivatives of the foregut?
A. superior mesenteric artery B. inferior mesenteric artery C. celiac trunk D. gastric trunk |
C. celiac trunk
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3. Which of the following develops into the jejunum?
A. foregut B. midgut C. hindgut D. foregut and midgut |
B. midgut
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4. Which of the following persists as the uncinate process of the pancreas?
A. dorsal bud B. ventral bud C. both |
B. ventral bud
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5. Remnants of the dorsal mesogastrium can be seen in the adult falciform ligament.
A. true B. false |
B. false
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6. During fetal development, hematopoiesis mostly occurs in the:
A. pancreas B. spleen C. liver D. bone marrow |
C. liver
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7. The cloaca is a region of the:
A. foregut B. midgut C. hindgut |
C. hindgut
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8. The transverse colon develops from the:
A. foregut B. midgut C. hindgut D. midgut and hindgut |
D. midgut and hindgut
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9. Meckel’s diverticulum represents a persistent portion of the allantois.
A. true B. false |
B. false
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10. The condition in which the gut fails to retract into the abdomen is referred to as:
A. atresia B. stenosis C. omphalocele D. gastroschisis |
C. omphalocele
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11. The temporary kidney that develops from the thoracic region to the sacral region of the embryo is known as the _____ kidney.
A. pronephric B. mesonephric C. metanephric |
B. mesonephric
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12. The metanephric tissue cap develops into the ____ of the adult kidney.
A. nephrons B. collecting ducts C. both D. neither |
A. nephrons
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13. The urethra of females is derived from the ____ region of the urogenital sinus.
A. upper B. middle C. lower D. none of the above |
B. middle
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14. A urachal fistula represents a persistent portion of the vitelline duct.
A. true B. false |
B. false
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15. Hypospadias occurs when:
A. the wall of the bladder is incompletely formed B. the urethral folds fail to fuse C. the genital tubercle forms inferior to the urethral folds D. the urorectal septum fails to form |
B. the urethral folds fail to fuse
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16. Forms the middle ear cavity
17. Contributes to the palatine tonsil 18. Forms the stapes 19. Forms the constrictor muscles of the pharynx 20. Forms the thymus 21. Forms the superior parathyroid gland 22. Forms the muscles of facial expression. 23. Forms the lesser horn of the hyoid |
16. Forms the middle ear cavity
17. Contributes to the palatine tonsil 18. Forms the stapes 19. Forms the constrictor muscles of the pharynx 20. Forms the thymus 21. Forms the superior parathyroid gland 22. Forms the muscles of facial expression. 23. Forms the lesser horn of the hyoid |
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24. The follicular cells of the female ovary are derived from:
A. the wall of the yolk sac B. intermediate mesoderm C. both D. neither |
B. intermediate mesoderm
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25. Initially, the testes develops from the indifferent gonad in response to:
A. testosterone B. MIS C. dihydrotestosterone D. TDF |
D. TDF
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26. The mesonephric duct develops into the:
A. vas deferens B. uterine tubes C. both D. neither |
A. vas deferens
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27. The scrotal sac develops from the:
A. urethral folds B. genital swellings C. genital tubercle D. none of the above |
B. genital swellings
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28. AIS occurs in individuals who are genotypically 46,XY.
A. true B. false |
A. true
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29. The masseter muscle develops from cells of arch:
A. I B. II C. III D. IV |
A. I
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30. Which of the following innervates derivatives of arch IV?
A. CN VII B. CN VIII C. CN X D. CN XII |
C. CN X
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31. The zygomaticus major muscle develops from cells of arch:
A. I B. II C. III D. IV |
B. II
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32. Cells of pouch ___ become incorporated in the thyroid gland.
A. 3 B. 4 C. 5 D. none of the above |
C. 5
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33. The oral part of the tongue is separated from the root of the tongue by the lingual septum.
A. true B. false |
B. false
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34. Each of the following cranial nerves contributes to the innervation of the tongue except:
A. IX B. X C. XI D. XII |
C. XI
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35. Taste information from the oral part of the tongue is transmitted through cranial nerve:
A. V B. VII C. IX D. X |
B. VII
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36. The thyroglossal duct persists in the adult as the cervical sinus.
A. true B. false |
B. false
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37. Thyroid follicles are derived from pouch:
A. 3 B. 4 C. 5 D. none of the above |
D. none of the above
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38. Structures of the adult nose are derived from the:
A. medial nasal prominence B. lateral nasal prominence C. both D. neither |
C. both
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39. Nasal placodes develop on the surface of the:
A. frontonasal prominence B. maxillary prominence C. mandibular prominence D. none of the above |
A. frontonasal prominence
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40. The lips are derived from all of the following except the:
A. medial nasal prominence B. lateral nasal prominence C. maxillary prominence D. mandibular prominence |
B. lateral nasal prominence
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41. The nasolacrimal groove lies between the:
A. medial nasal prominence and lateral nasal prominence B. medial nasal prominence and maxillary prominence C. lateral nasal prominence and maxillary prominence D. maxillary prominence and mandibular prominence |
C. lateral nasal prominence and maxillary prominence
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42. The intermaxillary segment develops from the fusion of the medial nasal prominence with the lateral nasal prominence.
A. true B. false |
B. false
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43. The primary palate develops from the:
A. medial nasal prominence B. lateral nasal prominence C. maxillary prominence D. mandibular prominence |
A. medial nasal prominence
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44. The incisive foramen is found at the junction of the:
A. oral part of the tongue and the root of the tongue B. primary palate and secondary palate |
B. primary palate and secondary palate
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45. The nasal cavities and oral cavity are completely separated throughout fetal development.
A. true B. false |
B. false
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46. remnants of cleft 2, 3, and 4
47. found in the midline A. thyroglossal cyst B. branchial cyst C. cervical cyst |
46. remnants of cleft 2, 3, and 4 B. branchial cyst
47. found in the midline A. thyroglossal cyst |
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48. Each of the following is associated with abnormal development of arch I except:
A. Treacher Collins syndrome B. DiGeorge syndrome C. Pierre Robin syndrome D. all are associated with abnormal development of arch I |
B. DiGeorge syndrome
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49. Anterior cleft lip results from failure of the medial nasal prominence to fuse with the lateral nasal prominence.
A. true B. false |
B. false
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50. Failure of the palatine shelves to fuse results in a(n) ______ cleft.
A. anterior B. posterior |
B. posterior
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