Anatomy - Axial Skeleton Chapter 7

61. How many pairs of ribs are "floating ribs" that do not articulate with the sternum? 5 2 7 12 10

2

1. The skull consists of _____ cranial bones and _____ facial bones. 8, 14 7, 12 10, 12 5, 7 9, 11

8, 14

54. Which feature is unique to the axis? A. Dens B. Bifid spinous process C. Superior articular facet D. Transverse foramen E. Vertebral foramen

A. Dens

53. Which features are found only on thoracic vertebrae? Costal facets and demifacets Transverse foramina Spinous processes Vertebral foramina Laminae

Costal facets and demifacets

4. What is the approximate volume of the adult cranial cavity? A. 100-300 cc B. 500-700 cc C. 1000-1200 cc D. 1300-1500 cc E. 1800-2000 cc

D. 1300-1500 cc

43. The vertebral column includes ___ cervical, ___ thoracic, and ___ lumbar vertebrae. A. 5;12;7 B. 6;14;6 C. 7;13;4 D. 7;12;5 E. 6;13;5

D. 7;12;5

63. Which is not true about aging of the skeleton? A. Bone density decreases with age. B. Articulating surfaces deteriorate with age. C. Many bones fuse with age. D. Bone mass increases with age. E. No exceptions; all choices are true.

D. Bone mass increases with age.

19. Which is not a feature of the ethmoid bone? A. Cribriform foramina B. Perpendicular plate C. Crista galli D. Inferior nasal concha E. Orbital plate

D. Inferior nasal concha

11. Which bones form the calvaria? A. Occipital and parietals B. Parietals and frontal C. Occipital, parietals, and temporals D. Occipital, parietals, and frontal E. Occipital, parietals, temporals, and frontal

D. Occipital, parietals, and frontal

29. Which facial bone is shaped like the letter "L"? A. Nasal B. Lacrimal C. Vomer D. Palatine E. Zygomatic

D. Palatine

33. The incisive foramen and palatine process are features of the A. mandible. B. palatine bone. C. vomer. D. maxilla. E. temporal bone.

D. maxilla.

3. The thoracic cage includes A. the sternum, the clavicles, and 12 ribs. B. the sternum, 12 thoracic vertebrae, and 12 ribs. C. 12 thoracic vertebrae and 24 ribs. D. the sternum and 24 ribs. E. the hyoid bone, the sternum, the clavicles, and 24 ribs.

D. the sternum and 24 ribs.

41. Which is not a function of the vertebral column? Supporting the weight of the head Maintaining upright body position Passageway for cranial nerves Passageway for spinal nerves Protecting the spinal cord

Passageway for cranial nerves

8. The _______ suture is the articulation between the occipital bone and both parietal bones. lambdoid coronal sagittal squamous frontal

lambdoid

22. The jugular foramen is located between the _____ and _____ bones. temporal; parietal sphenoid; ethmoid sphenoid; occipital occipital; temporal occipital; parietal

occipital; temporal

18. The portion of the sphenoid bone that houses the pituitary gland is the pterygoid process. pterygoid plate. greater wing. lesser wing. sella turcica.

sella turcica.

24. The pterygoid spines and optic canals are features of the _____ bone. ethmoid temporal sphenoid occipital frontal

sphenoid

49. The vertebral processes that are most easily palpated along the midline of the back are the _____ processes. transverse inferior articular superior articular lamellar spinous

spinous

10. The zygomatic process of the temporal bone and the _________ process of the zygomatic bone form the zygomatic arch. zygomatic maxillary frontal temporal mastoid

temporal

12. Foramina in the skull serve as passageways for blood vessels, nerves, and other structures. Which of these foramina is covered by connective tissue in adults, and therefore does not serve as a passageway? A. Foramen lacerum B. Foramen rotundum C. Foramen ovale D. Foramen spinosum E. Foramen magnum

A. Foramen lacerum

35. Which bones form the inferior margin of the orbit? A. Maxilla and zygomatic B. Frontal and sphenoid C. Palatine and sphenoid D. Lacrimal and ethmoid E. Zygomatic and sphenoid

A. Maxilla and zygomatic

15. Which part of the temporal bone includes the internal acoustic meatus? A. Petrous B. Mastoid C. Squamous D. Tympanic E. Styloid

A. Petrous

37. What is the location of the auditory ossicles? A. Petrous part of temporal bone B. Squamous part of temporal bone C. Tympanic part of temporal bone D. Auditory part of temporal bone E. Mastoid part of temporal bone

A. Petrous part of temporal bone

26. Which bone is not part of the facial complex? A. Temporal B. Mandible C. Zygomatic D. Maxilla E. Nasal

A. Temporal

44. Which curves of the vertebral column are present at birth? A. Thoracic and sacral B. Lumbar and cervical C. Lumbar and sacral D. Cervical and thoracic E. Lumbar and thoracic

A. Thoracic and sacral

5. Which is not a cranial bone? A. Vomer B. Frontal C. Occipital D. Temporal E. Parietal

A. Vomer

56. Each auricular surface of the sacrum is located on a(n) A. ala. B. median sacral crest. C. sacral cornu. D. apex. E. spinous process.

A. ala.

57. The clavicles articulate with the sternum at the _____ notches. A. clavicular B. suprasternal C. cleidosternal D. jugular E. first costal

A. clavicular

38. Which is characteristic of a female skull, as compared to a male skull? Chin pointed and triangular Mandibular angle greater than 125 degrees Little or no prominence to superciliary arches External surface of occipital bone relatively smooth All of the choices are characteristic of a female skull.

All of the choices are characteristic of a female skull.

17. What is the function of the nuchal lines? A. Attachment for dura mater B. Attachment for muscles and ligaments C. Passageway for cranial nerves D. Passageway for jugular vein E. Grooves for dural sinuses

B. Attachment for muscles and ligaments

14. Which of the cranial bones feature a squamous part? A. Occipital, temporal, and sphenoid B. Frontal, temporal and occipital C. Sphenoid and ethmoid D. Frontal, sphenoid, and temporal E. Occipital, parietal, and ethmoid

B. Frontal, temporal and occipital

50. The occipital condyles articulate with the A. axis. B. atlas. C. dens. D. vertebra prominens. E. odontoid process.

B. atlas.

28. The _________ process of the mandible articulates with the temporal bone. A. alveolar B. condylar C. mastoid D. temporal E. coronoid

B. condylar

46. The _________ provide passageways for spinal nerves to exit the vertebral column and travel to other parts of the body. A. vertebral foramina B. intervertebral foramina C. vertebral canals D. articular facets E. transverse foramina

B. intervertebral foramina

58. The superior portion of the sternum is called the A. xiphoid process. B. manubrium. C. body. D. gladiolus. E. coccyx.

B. manubrium.

60. How many pairs of ribs articulate (directly or indirectly) with the sternum? A. 7 B. 12 C. 10 D. 5 E. 24

C. 10

65. Which bone count is not correct for a normal adult human? A. 14 facial bones B. 7 pairs of true ribs C. 7 lumbar vertebrae D. 6 auditory ossicles E. 8 cranial bones

C. 7 lumbar vertebrae

42. What is the correct order for the vertebral regions, from superior to inferior? A. Cervical - thoracic - sacral - coccygeal - lumbar B. Thoracic - sacral - lumbar - cervical - coccygeal C. Cervical - thoracic - lumbar - sacral - coccygeal D. Thoracic - coccygeal - cervical - lumbar - sacral E. Thoracic - cervical - lumbar - coccygeal - sacral

C. Cervical - thoracic - lumbar - sacral - coccygeal

9. Which of these bones does not contribute to the region known as the pterion? A. Frontal B. Sphenoid C. Occipital D. Parietal E. Temporal

C. Occipital

23. What is the function of the cribriform plate? A. Permits air to enter the cranial cavity to cool the brain B. Provides large surface area for muscle attachment C. Permits passage of the olfactory nerves D. Forms part of the nasal septum E. Articulates with the atlas for rotational head movement

C. Permits passage of the olfactory nerves

13. Of the four largest types of sutures in the skull, which are paired? A. Lambdoid and sagittal B. Lambdoid and squamous C. Squamous only D. Lambdoid only E. Coronal and squamous

C. Squamous only

62. Rib 1 articulates with vertebra ______ and the ______. A. T1; body of the sternum B. T2; body of the sternum C. T1; manubrium of the sternum D. C7; manubrium of the sternum E. T2; clavicle

C. T1; manubrium of the sternum

2. Which bone is not part of the axial skeleton? Malleus Sacrum Clavicle Atlas Frontal bone

Clavicle

39. Developmentally, the most significant growth in the skull occurs A. between the ages of 5 and 10. B. between the ages of 10 and 15. C. before age 5. D. between the ages of 15 and 20. E. between the ages of 20 and 25.

C. before age 5.

48. Transverse foramina are found in _____ vertebrae. A. thoracic B. lumbar C. cervical D. sacral E. all

C. cervical

31. A perpendicular plate is a feature of the _____ and _____ bones. A. palatine; lacrimal B. ethmoid; sphenoid C. palatine; ethmoid D. nasal; lacrimal E. maxilla; zygomatic

C. palatine; ethmoid

59. The sternal angle can be used as an anatomical landmark to identify the position of the A. apex of the heart. B. jugular vein. C. second rib. D. trachea. E. hyoid bone.

C. second rib.

51. Which cervical vertebra is also known as the vertebra prominens? C1 C2 C4 C5 C7

C7

52. Which of these features is found in a lumbar vertebra? A. Pedicles B. Vertebral foramen C. Spinous process D. Vertebral arch E. All of the choices are correct.

E. All of the choices are correct.

7. Which of these skull bones cannot be palpated? A. Frontal B. Temporal C. Occipital D. Parietal E. Ethmoid

E. Ethmoid

21. Which is not a correct pairing of bone and feature? A. Occipital bone - foramen magnum B. Sphenoid bone - foramen rotundum C. Temporal bone - carotid canal D. Frontal bone - supraorbital foramen E. Parietal bone - mental foramen

E. Parietal bone - mental foramen

64. Which is not true about development of the axial skeleton? A. The sternum forms by fusion of the sternal bars. B. The parietal and frontal bones develop by intramembranous ossification. C. The sphenoid bone forms by endochondral ossification. D. The vertebrae form secondary ossification centers at puberty. E. The ribs and clavicles form from schlerotomes.

E. The ribs and clavicles form from schlerotomes.

55. The spinal cord terminates at an opening in the sacrum called the A. anterior sacral foramen. B. sacral canal. C. posterior sacral foramen. D. inferior sacral foramen. E. sacral hiatus.

E. sacral hiatus.

30. Which bones articulate with the zygomatic bone? Frontal, temporal, and maxilla Temporal and maxilla Temporal and parietal Frontal, parietal, and occipital Temporal, sphenoid, and maxilla

Frontal, temporal, and maxilla

36. Which bone bears the greater and lesser cornua? Maxilla Stapes Hyoid Incus Mandible

Hyoid

45. Which of the spinal curves forms when a child is about 12 months of age? Sacral Lumbar Cervical Thoracic Coccygeal

Lumbar

6. Which bone is not paired? Maxilla Mandible Lacrimal Nasal Zygomatic

Mandible

34. Which of these is not a paranasal sinus? Maxillary sinus Ethmoid sinus Sphenoid sinus Mastoid sinus Frontal sinus

Mastoid sinus

20. Which bone bears the infraorbital foramen? Frontal Temporal Mandible Maxilla Zygomatic

Maxilla

47. The inner, gelatinous region of each intervertebral disc is called the Annulus fibrosus Nucleus pulposus Lamella Chondral ring Articular ring

Nucleus pulposus

16. Which bone bears the superior and inferior temporal lines? Temporal Occipital Parietal Frontal Zygomatic

Parietal

25. Which cranial fossa supports the cerebellum? Anterior Posterior Middle Lateral Medial

Posterior

32. Which bone bears the mandibular fossa? Maxilla Temporal Zygomatic Mandible Frontal

Temporal

27. Which bone is unpaired? Lacrimal Vomer Inferior nasal concha Palatine Maxilla

Vomer

40. The membranous sheets that connect developing cranial bones are called sutures. fontanelles. intraosseous membranes. craniochondral articulations. ossicles.

fontanelles.