Mastering A&P Ch. 5.3-5.5 – Flashcards
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Which type of bone consists of small, flat, oddly shaped bones that are occasionally found in the suture lines?
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Wormian bones
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Which type of fracture retains the normal alignment of the bones or fragments?
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Nondisplaced fractures
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In a __________ fracture, one side of the bone shaft is broken, and the other is bent.
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greenstick
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Which diagnostic procedure would be most useful when checking for metastatic bone cancer, fractures, early infections, or certain degenerative bone diseases?
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Bone scan
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A painful and destructive bone infection generally caused by bacteria is?
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osteomyelitis
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What term is used to describe a passageway through the substance of a bone?
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Meatus
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Bones are largely under the physiological control of the __________ system.
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endocrine
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The digestive system plays an important role in providing certain minerals needed for bone growth. Which mineral must be constantly provided by the digestive system, because it makes up a large portion of the bone matrix?
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Ca +2
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Which classification of bones is described as having complex shapes, with varied internal structure?
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Irregular Bones
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Immediately after a bone fracture, extensive bleeding occurs. Over a period of several hours, what develops as a result of this bleeding?
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A fracture hematoma
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Repair of a fracture
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1.Immediately after the fracture, extensive bleeding occurs. Over a period of several hours, a large blood clot, or fracture hematoma, develops. 2.An internal callus forms as a network of spongy bone unites the inner edges, and an external callus of cartilage and bone stabilizes the outer edges. 3.The cartilage of the external callus has been replaced by bone and struts of spongy bone now unite the broken ends. Fragments of dead bone and the areas of bone closest to the break have been removed and replaced. 4.A swelling initially marks the location of the fracture. Over time, this region will be remodeled, and little evidence of the fracture will remain.
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Inadequate ossification is called?
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osteopenia
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In the classification of bones by shape, which type of bone is hollow, or contains numerous air pockets?
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Pneumatized bones
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Bone remodeling involves?
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the simultaneous process of bone resorption and bone deposition.
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What term is used to describe a shallow depression in bone?
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Fossa
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Bones are attached to the?
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Muscular, Urinary, Digestive Systems
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A bone marking called a ramus is?
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an extension of a bone making an angle to the rest of the structure
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What type of bone has thin, roughly parallel surfaces of compact bone, resembles a spongy bone sandwich, is strong but relatively light, and forms the roof of the skull, the sternum, the ribs, and scapulae?
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Flat Bones
