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37 Cards in this Set
- Front
- Back
1. The lining of the lung is derived from the endoderm.
A. true B. false |
A. true
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2. The lining of the larynx is derived from:
A. endoderm B. mesoderm C. both D. neither |
A. endoderm
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3. The lobes of the lung develop from the ______ bronchi.
A. primary B. secondary C. tertiary D. quartenary |
B. secondary
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4. Which of the following produce surfactant?
A. type I cells B. type II cells C. both D. neither |
B. type II cells
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5. Skin is derived from:
A. ectoderm B. mesoderm C. both D. neither |
C. both
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6. At the time of birth, the _____ covers the outer surface of the skin.
A. vernix caseosa B. periderm C. both D. neither |
A. vernix caseosa
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7. Hair develops from both ectoderm and mesoderm.
A. true B. false |
A. true
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8. Sweat glands develop from both ectoderm and mesoderm.
A. true B. false |
A. true
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9. rectum
10. jejunum 11. bile duct 12. pancreas 13. transverse colon 14. stomach A. foregut B. midgut C. hindgut D. foregut and midgut E. midgut and hindgut |
9. rectum C. hindgut
10. jejunum B. midgut 11. bile duct A. foregut 12. pancreas A. foregut 13. transverse colon E. midgut and hindgut 14. stomach A. foregut |
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15. Which of the following arteries supplies derivatives of the midgut?
A. celiac trunk B. superior mesenteric artery C. inferior mesenteric artery |
B. superior mesenteric artery
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16. The dorsal mesogastrium develops into the:
A. greater omentum B. lesser omentum C. both D. neither |
A. greater omentum
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17. The falciform ligament develops from the ventral mesogastrium.
A. true B. false |
A. true
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18. Most of the pancreas develops from the:
A. dorsal bud B. ventral bud C. both dorsal and ventral buds equally |
A. dorsal bud
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19. Meckel’s diverticulum develops within the:
A. foregut B. midgut C. hindgut |
B. midgut
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20. The anal canal develops from:
A. ectoderm B. endoderm C. both D. neither |
C. both
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21. The foregut normally herniates into the umbilicus during the second month of development.
A. true B. false |
B. false
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22. As it develops, the stomach normally rotates:
A. around its longitudinal axis B. around its antero-posterior axis C. both D. neither |
C. both
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23. Functional filtration units develop in the:
A. pronephros B. mesonephros C. both D. neither |
B. mesonephros
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24. The collecting system of the definitive kidney develops from the mesonephric duct.
A. true B. false |
B. false
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25. Which of the following develops from the intermediate mesoderm?
A. ureteric bud B. renal vesicles C. mesonephric duct D. A and B E. A, B, and C |
E. A, B, and C
A. ureteric bud B. renal vesicles C. mesonephric duct |
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26. The urinary bladder is derived from intermediate mesoderm.
A. true B. false |
B. false
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27. The renal vesicles develop into:
A. Bowman’s capsule B. collecting ducts C. both D. neither |
A. Bowman’s capsule
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28. The urogenital sinus develops into the urethra.
A. true B. false |
B. false
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29. The vagina develops from the:
A. urogenital sinus B. paramesonephric duct C. mesonephric duct D. A and B E. A, B, and C |
D. A and B
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30. Which of the following are derived from the intermediate mesoderm?
A. indifferent gonad B. primordial germ cells C. both D. neither |
A. indifferent gonad
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31. The seminiferous tubules develop from the _____ cords.
A. cortical B. medullary |
B. medullary
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32. TDF
33. testosterone 34. Mullerian inhibiting substance A. Sertoli cells B. Leydig cells C. primordial germ |
32. TDF C. primordial germ cells
33. testosterone B. Leydig cells 34. Mullerian inhibiting substance A. Sertoli cells |
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35. The ductus deferens develops from the:
A. mesonephric duct B. paramesonephric duct C. both D. neither |
A. mesonephric duct
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36. The external genitalia develop in the male in response to:
A. TDF B. MIS C. testosterone |
C. testosterone
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37. The uterus develops from the:
A. mesonephric duct B. paramesonephric duct C. both D. neither |
B. paramesonephric duct
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38. Skeletal muscle develops from:
A. paraxial mesoderm B. somatic mesoderm C. intermediate mesoderm D. all of the above |
A. paraxial mesoderm
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39. muscles of facial expression
40. erector spinae muscles 41. intercostals muscles 42. extrinsic muscles of the eye 43. diaphragm A. cervical somites C3-C5 B. preotic somites C. occipital somites D. hypomere E. epimere |
39. muscles of facial expression C. occipital somites
40. erector spinae muscles E. epimere 41. intercostals muscles D. hypomere 42. extrinsic muscles of the eye B. preotic somites 43. diaphragm A. cervical somites C3-C5 |
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44. Skeletal muscles of the limb develop from the hypomere.
A. true B. false |
A. true
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45. Bones of the skull develop from:
A. mesoderm B. ectoderm C. both D. neither |
C. both
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46. Which of the following does not develop by endochondral ossification?
A. scapula B. clavicle C. sternum D. they all develop by endochondral ossification |
B. clavicle
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47. The notochord persists as the body of the vertebra in the adult.
A. true B. false |
B. false
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48. premature closure of cranial sutures
49. incomplete cranial vault 50. fused cervical vertebra A. Klippel-Feil syndrome B. cranioschisis C. craniosynostosis |
48. premature closure of cranial sutures C. craniosynostosis
49. incomplete cranial vault B. cranioschisis 50. fused cervical vertebra A. Klippel-Feil syndrome |