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The skeletal system
| Question | Answer |
|---|---|
| What is the function of the bones | support,protection, movment, storage, and making blood cells frmation |
| what is the four bones according to shap and give an example of each | compact bone- dense and look smoth and homogeneous. spongy bone- composed of small needlike pieces of bones and lots of openspace long bone- typocally longer than they are wid. short bones-generally cubes,haped and contain mostly spongy bone ex,patel |
| What is the purpose of sunuses | lighten the skull and gives a amplitlation to the voice. |
| bones of the shoulder girdle | clavicle and the scapula |
| how do bones repare them self? | 1.hematoma 2.Fibrocartilage 3. bone callus fromation 4, Bone remodeling |
| common types of fractures | comminuted, compression, depressed, impacted, spiral, and greenstick |
| comminuted | bone bracks in to many fragments |
| compression | bones is crushed |
| depressed | broken bone is pressed inward |
| impacted | broken bone ends are forced into each other |
| spiral | ragged brack occure when axcessive twisting forces are applied to the bone |
| greenstick | bone bracks incompletely much in the way a green twig breaks |
| Azial skeleton | incluades the following bones skull, ribe cage, vertebal colum |
| Appendicular skeleton | shoulder goird, arems, lages and hands |
| What are sinuses? | mucosa-lined air- filled cavites in the bone. |
| What purpose do they serve in the skull? | They lighten the skull serve as resonace chambers for speech |
| Why are they so susceptible to infection? | their mucosa is continous with that of nasal passage into which they drain. |
| the structure that encloses the nerve cord? | Vertebral arch |
| weight-bearing part of the vertebra? | body |
| provid(s) levers for the muscles to pull against? | spinous process |
| provid(s) an articlation point for the ribs? | Transverse process |
| opening allowing spinal nerves to pass? | body/ transverse process |
| The type of vertebra(e) containg foramina in the transvers process, through which the vertebral arteries ascend to reach the brain. | Atlas or axis |
| its dens provides a pivot for rotation of the frist cervical vertebra | Axis |
| transverse process have facets for articulation with ribs; spinous process point sharply downwards | Thoracic vertebra |
| composite bone; articulates with the hip bone laterally | sacrum |
| massive vertebrea; weight-sustaining | lumbar vertebra |
| tailbone; vestiga; fused vertebrae | coccyx |
| supports the head; allows the rocking motion of the occipital condyles | atlas |
| seven components; unfused | atlas,axis or cervical vrtebra |
| twelve compoents; unfused | throracic vertebra |
| Bone is brocken cleanly; the ends do not penetrate the skin | simple fracture |
| nonsurgical realignment of broken bone ends and splinting of bone | closed reduction |
| a brack common in children; bone splinters, but brack is incomplete | greenstick fracture |
| A fracture in which the bone is crushed; common in the vertbral column | compression fracture |
| a fracture in which the bone ends penetrate through the skin surface | compound fracture |
| surgical realignment of brocken bone ends | open reduction |
| a resilt of twisting forces | spiral fracture |
Created by:
Amanda-91
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