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vocab words
| Question | Answer |
|---|---|
| hyperflexion of the neck causing fxs of the spinous process | clay shovelers fx |
| collapse of a vertebral body associated with osteoporosis,usually thoracic | compression fx |
| fx of pedicles of C2 from hyperextension | hangman's fx |
| fx of anterior and posterior arches of C1 from falling on head | jefferson's fx |
| fx of the dens | Odontoid fx |
| fx of the cervical body from compression with hyperflexion | teardrop burst fx |
| when the nucleus pulposus protrudes through the annulus fibrosus and presses on the spinal cord "slipped disk" | herniated nucleus pulposus-HNP |
| abnormally increased swayback curvature involving the lumbar spine | lordosis |
| abnormal or exaggeated thoracic humpback curvature | kyphosis |
| abnormal lateral curvature most common in young girls | scoliosis |
| kyphosis and scoliosis | scheuermann's disease |
| inflammation of the vertebrae | spondylitis |
| union of he bones at spinal joints,usually affecting the SI joints and lumbar spine | ankylosing spondylitis |
| nitrogen containing waste products of metabolism excreted by the kidneys,high levels indicated poor filtration | creatinine |
| uniform mixture of two substances | suspension |
| contrast agents have a low atomic number and appear dark on a radiograph-decreased attenuation | radiolucent-negative air,gas producing bubbles,carbon dioxidebubbles |
| contrast agents have a high atomic number and appear white on a radiograph | contrast agents have a high atomic number and appear white on a radiograph(increased attenuation)barium sulfate or water soluble ionic contast media |
| congenital condition where the posterior aspects of vertebra fail to develop,causing the spinal cored to be exposed,occurs mostly at L5 | spina bifida |
| forward movement of one vertebrae in relation to another most common at L5-S1 | spondylolisthesis-see on lateral |
| lack of develop,ment of the vertebral arch and separation of the pars interarticularis.on oblique radiograph,it appears the dogs neck is broken | spondylolsis-see on oblique |
| health records can be stored in the form of | hard copy,microfilm and in computerized format |
| corporate liability requires the hospital or health care entity to be held responsible for | the quality of care delivered to its customers |
| health information departments are considered to be | support service departments |
| films for a radiographic portfolio should include: | pathology,markers and the anatomy of the part in question |
| process by which the beam is reduced in energy when passing through matter | attenuation |
| difference b/w adjacent densities on a radiograph | contrast |
| misrepresentation of an objects true size or shape | distortion |
| device consisting of lead streps which permits primary radiation tyo pass while absorbing scatter radiation | grid |
| amount of filtration necessary to reduce the intensity of the radiation beam to 1/2 its original value;measures beam quality | half valve layer |
| layer of luminescent crystals placed inside a cassette to expose film more efficiently while reducing patient dose | intentsifying grid |
| measure of the potential difference;controls the quantity and quality of photons produced in the tube | kV |
| controls the quantity of photons produced in the tube | mAs |
| ----ability of the beam to pass through an object, controlled by ------ | pentratibly,penumbra |
| fuzzy border of an object | focal spot blur |
| representation of an objects true borders | detail resolution |
| true border of an object | umbra |
| controlling factor of mas | density |
| density-pt size increases | density go down |
| desity-kv go down | density go down |
| density-distance go up | density go down |
| denisty-beam restriction go down | density go up |
| density-grids go down | density go up |
| density-film/screen go down | density go down |
| density-processing go up | density go up |
| contrast is the controlling fact of | kv |
| contrast-pt size go up | contrast go down |
| contrast-beam restriction go up | contrast go up |
| contrast-grids go down | contrast go down |