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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
2. The lining of the larynx is derived from:
A. endoderm
B. mesoderm
C. both
D. neither
A. endoderm
3. The lobes of the lung develop from the ______ bronchi.
A. primary
B. secondary
C. tertiary
D. quartenary
B. secondary
4. Which of the following produce surfactant?
A. type I cells
B. type II cells
C. both
D. neither
B. type II cells
5. Skin is derived from:
A. ectoderm
B. mesoderm
C. both
D. neither
C. both
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
7. Hair develops from both ectoderm and mesoderm.
A. true B. false
A. true
8. Sweat glands develop from both ectoderm and mesoderm.
A. true B. false
A. true
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
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
16. The dorsal mesogastrium develops into the:
A. greater omentum
B. lesser omentum
C. both
D. neither
A. greater omentum
17. The falciform ligament develops from the ventral mesogastrium.
A. true B. false
A. true
18. Most of the pancreas develops from the:
A. dorsal bud
B. ventral bud
C. both dorsal and ventral buds equally
A. dorsal bud
19. Meckel’s diverticulum develops within the:
A. foregut
B. midgut
C. hindgut
B. midgut
20. The anal canal develops from:
A. ectoderm
B. endoderm
C. both
D. neither
C. both
21. The foregut normally herniates into the umbilicus during the second month of development.
A. true B. false
B. false
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
23. Functional filtration units develop in the:
A. pronephros
B. mesonephros
C. both
D. neither
B. mesonephros
24. The collecting system of the definitive kidney develops from the mesonephric duct.
A. true B. false
B. false
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
26. The urinary bladder is derived from intermediate mesoderm.
A. true B. false
B. false
27. The renal vesicles develop into:
A. Bowman’s capsule
B. collecting ducts
C. both
D. neither
A. Bowman’s capsule
28. The urogenital sinus develops into the urethra.
A. true B. false
B. false
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
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
31. The seminiferous tubules develop from the _____ cords.
A. cortical
B. medullary
B. medullary
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
35. The ductus deferens develops from the:
A. mesonephric duct
B. paramesonephric duct
C. both
D. neither
A. mesonephric duct
36. The external genitalia develop in the male in response to:
A. TDF
B. MIS
C. testosterone
C. testosterone
37. The uterus develops from the:
A. mesonephric duct
B. paramesonephric duct
C. both
D. neither
B. paramesonephric duct
38. Skeletal muscle develops from:
A. paraxial mesoderm
B. somatic mesoderm
C. intermediate mesoderm
D. all of the above
A. paraxial mesoderm
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
44. Skeletal muscles of the limb develop from the hypomere.
A. true B. false
A. true
45. Bones of the skull develop from:
A. mesoderm
B. ectoderm
C. both
D. neither
C. both
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
47. The notochord persists as the body of the vertebra in the adult.
A. true B. false
B. false
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