Chapter 7 Skeletal System Study Guide Answers Ms

Chapter 7 Skeletal System Study Guide Answers Ms. K. Cox Human A & P Check your work as the answers appear on the screen.

• 1. bones support the weight of the body and structures such as the head and face • 2. bones protect delicate organs such as the brain and spinal cord, heart and lungs • 3. bones act as levers to which muscles are attached • 4. blood cells are produced within red bone marrow

• 5. minerals such as calcium and phosphorous are stored n the bone matrix • 6. bones also contain nerves and blood vessels • 7. epiphyses • 8. articular cartilage • 9. diaphysis • 10. periosteum

• • 11. medullary 12. endosteum 13. marrow 14. blood cell production 15. in spongy bone 16. marrow that functions to store fat 17. medullary cavitities 18. muscles

• • • 19. osteocytes 20. lacunae 21. canaliculi 22. collagen 23. salts 24. most bones contain a mixture of compact and spongy bone include the skull the ribs, the vertebrae and the sternum.

• 25. osteons • 26. transverse • 27. most bones of the body contain a mixture of compact and spongy bone. The diaphysis of a long bone is compact bone, and compact bone covers the epiphyses. • 28. bones form by replacing connective tissue in the fetus.

• • 29. osteoblasts 30. osteocytes 31. periosteum 32. a soft spot in an infants skull where the membrane has not yet completely ossified • 33. hyaline • 34. osteoblasts • 35. secondary

• • 36. epiphseal 37. osteoclasts 38. osteoblasts 39. lengthening 40. thickness 41. axial 42. appendicular

• 43. Only 8 facial bones we are worried about: maxillae, palatine, zygomatic, lacrimal, nasal, vomer, inferior, mandible • 44. zygomatic bones • 45. vomer and ethmoid • 46. palatine bones and the maxillae • 47. zygomatic bone and the temporal bone • 48. maxillae and mandible

• 49. fragile, scroll-like bones attached to lateral wall of the nasal cavity • 50. pedicles • 51. lamina • 52. atlas and the axis • 53. five • 54. coccyx • 55. S • 56. spine

• • • 57. articulates with scapula 58. trochlea 59. radius 60. tuberosity 61. carpal 62. metacarpals 63. hand phalanges 64. 3 65. 2

• • 66. coxal bone 67. sacrum 68. pubis 69. symphysis pubis 70. femur 71. acetabul 72. capitis 73. patella

• • 74. tibia 75. tarsal 76. tibial tuberosity 77. fibula 78. talus 79. metatarsals 80. foot phalanges 81. middle phalanx

• • 82. fibrous 83. cartilagenous 84. bursae 85. ball and socket 86. condyloid 87. gliding 88. hinge 89. pivot

• 90. saddle • 91. insertion

Now count how many you missed and multiple it by 4. 4 pts. • Each question was worth 4. 4 pts each. • Total points possible on this assignment was 400 pts. • On the front of the packet write out how many you missed and what you earned over 400. • Example: -35 questions * 4. 4 pts= -154 pts • 246/400, 62% D