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ch 7
bones
| Question | Answer |
|---|---|
| The term bone is | living material and nonliving material. |
| Which of the following is not a function of bone? | To provide nervous communication from bone to muscle. |
| The bones of the wrists and ankles are classified as | short bones |
| Which of the following is not found in spongy bone? | osteons |
| Which of the following four groups of bones, based on shape and with an example of each, is correct? | .Irregular bones-bones of the backbone |
| Compact bone has ________, whereas spongy bone has __________. | tightly packed tissue that is solid, strong, and resistant to bending; cancellous bone that reduces the weight of bone |
| The white material that reduces friction at the ends of bones is called | articular cartliage |
| Articular cartilage is | hyaline cartliage |
| Osteoblasts are ______, whereas osteocytes are ______. | bone-forming cells; mature bone cells |
| Osteoclasts are | bone cells that resorb bone tissue. |
| A vitamin D deficiency results in ______, whereas a vitamin A deficiency results in ______. | rickets; retardation of bone development |
| Pituitary dwarfism results from a decreased secretion of ______ hormone, which decreases production of ______. | growth; cartilage cells in the epiphyseal plate |
| Which of the following is not a step in endochondral bone formation? | Hyaline cartilage changes to adipose tissue.. |
| Which of the following is(are) an example of an intramembranous bone? | Broad, flat skull bones |
| The presence of an epiphyseal plate indicates that: | the bone is lengthening. |
| At what age are all bones normally ossified? | 25 |
| characteristics of osteoblast | Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. |
| It is possible to determine if a child's long bone is growing by examining a radiograph of the | epiphyseal plate. |
| Endochondral ossification ______, whereas intramembranous ossification ______. | replaces hyaline cartilage; replaces undifferentiated connective tissue |
| The thyroid hormone thyroxine can ______ bone growth by ______. | increase; stimulating osteoblast activity in the epiphyseal plate |
| Sex hormones stimulate | ossification of epiphyseal plates. |
| Exercise ______ and _______ bones. | thickens, strengthens |
| red bone marrow functions in the formation of | RBCs |
| Which of the following is a function of the skeletal system | A.Responsible for blood cell production B.The storage of inorganic salts C.The protection of organs, especially in the head and thorax D.The interaction with muscles for movement |
| Which of the following is the form in which calcium is found in the inorganic matrix of the bone? | Hydroxyapatite |
| Which of the following is not a function of bones? | contraction |
| Bones | are multifunctional. |
| The number of bones in the skeletal system is | variable, because some people have extra bones in skull sutures or tendons. |
| The axial skeleton includes the | skull, hyoid bone, thoracic cage, and vertebral column. |
| The sternum is part of the. | axial skeleton |
| The pituitary gland is located in the | sella turcica |
| The hard palate is composed of the | maxillary and palatine bones. |
| The zygomatic arch is composed of processes of the | zygomatic and temporal bones. |
| Which of the following bones is not part of the orbit of the skull? | vomer |
| Bacteria infecting the mucous membranes in the air cells of the mastoid process most likely spread from the | middle ear |
| A cleft palate results from incomplete development of the | maxilla |
| Which of the following sutures might close as late as age six? | frontal |
| The primary curves of the vertebral column are the | thoracic and sacral curvatures. |
| The3 hip bones include | the ilium, the ischium, and pubis. |
| The atlas is one of the | cervical vertabre |
| Ribs that join the sternum directly by costal cartilages are called | true ribs |
| A sternal puncture is often employed to obtain a sample of | red bone marrow |
| The clavicles | hold the shoulders in place and provide attachments for muscles of the back, chest, and upper limbs. |
| The three borders of the scapula are called | the superior, axillary, and vertebral borders.. |
| Phalanges are. | fingers and toe bones |
| The capitulum and trochlea are located | at the distal end of the humerus |
| The components of the pelvic girdle are called | A.hip bones. B.coxal bones. C.innominate bones. D. pelvic bones. |
| The acetabulum | is a depression in the hip bone that receives the head of the femur. |
| Which of the following describes a female's pelvis compared to a male's pelvis? | cavity that is wider in all dimensions, with lighter bones. |
| Which of the following describes the female pelvis compared to that of the male? | The distance between the female ischial spines is greater. |
| The femur | A.is the longest bone in the body. B.extends from the hip to the knee. C.has a large, rounded head. D.articulates with the patella. |
| The talus, calcaneus, navicular, cuboid, and lateral, intermediate, and cuneiform bones are all part of the | foot |
| Height begins to decrease on average after age | 30 |
| A compound fracture | results when the broken bone is exposed to the outside. |
| Which of the following correctly lists the steps of fracture repair in sequence? | A hematoma forms, granulation tissue and fibrocartilage develop, osteoclasts and phagocytes clear away debris, bony callus forms.. |
| Cells that remove excess bone tissue after fracture repair are | osteoclasts and phagocytes. |
| Which of the following increases the risk of developing osteoporosis | A.Low intake of dietary calcium B.Lack of physical exercise C.Frequent drinking of alcoholic beverages D.Family history of the condition |
| Which person is at highest risk of developing osteoporosis? | A light-skinned postmenopausal woman |
| Eighty-year-old Evelyn takes a bisphosphonate drug once a month to keep her bones strong. She most likely has | osteoparosis |
| curvatures of the spine produce all of the following except | increase height |
| as compact bone is deposited beneath the periosteum of the diaphysis. | a bone thickens |
| A bone lengthens: | As a result of increased activity within the epiphyseal plate |
| The zygomatic bone is an example of | irregular bone |
| A human has how many ribs? | 12 |
| How many true ribs are there ? | 7 |
| How many false ribs are there? | 5 |
| Floating ribs compose of how many ribs? | 2 |
Created by:
lula78