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Trauma Radiography!

Ch 18 Trauma, Mobile, & Surgical

QuestionAnswer
What are the types of x-ray systems? Battery-driven,Battery-Operated, Standard Power Source, Capacitor-Discharge, non-motor units, and Mobile C-Arm
Battery-Operated systems have a maximum incline of how many degrees? 7 degrees
Battery-Operated systems can be plugged in for recharging when it is not being used and can be recharged at how many volts? 110 or 220 Volts
Battery-Operated when charging with a 110-volt, 5-amp outlets, the charging time is about how many hours? 8 hours
How many monitors are generally used with the Mobile C-Arm? Two
What is the distance one should stand when operating a C-Arm? 6 feet
What are the three positioning principles for trauma and mobile radiography? Two projections 90 degress to each other with true cr-part-ir alignment, Entire structure or trauma area on image receptor, and Maintain the safety of the patient, health care workers, and the public
Small to medium plaster cast Increase mAs 50 to 60 percent or +5 to 7 kv
Large plaster cast Increase mAs 100 percent or +8 to 10 kv
Fiberglass cast Increase mAs 25 to 30 percent or +3 to 4 kv
For postreduction radiographs after the addition of a small to medium cast, the kVp should be increased by: 5 to 7
A varus deformity indicates that the: Distal fracture fragments are angled toward the midline of the body
An incomplete fracture on only one side of the bone is termed a(n): Greenstick fracture
A fracture involving the base of the 5th metacarpal is termed: Boxer’s fracture
Apposition or the relationship of the long axes of fracture fragments may be classified as: Anatomic, Distraction, and Bayonet
The partial separation of the bones forming a joint is termed: Subluxation
Examples of incomplete fractures include: Torus and Greenstick
The Salter-Harris system is used to rate fractures classified as: Epiphyseal
A standard power source, capacitor-discharge, non–motor-driven mobile unit may be operated using: 110 volts and 15 amps
A fluoroscopic technique in which a static fluoroscopic image is held on the monitor screen while dynamic fluoroscopy continues is termed: Road mapping
Which of the principles of radiation protection is most effective in reducing exposure to the technologist? Distance
A fracture in which the fracture lines radiate from a central point is termed: Stellate
Which fracture involves the distal fibula? Pott’s
A butterfly fracture consists of Two fragments positioned laterally to a main wedge-shaped fragment
Nursemaid's elbow is a subluxation of the: radial head
The term contusion is synonymous with the term: Bruise
A C-arm should not be rotated 180 degrees to reverse the positions of the x-ray tube and intensifier due to increased: OID and Personnel radiation exposure
Battery-driven and operated mobile x-ray units are powered by: 10-16 12V batteries
Trauma radiography requires: Inclusion of the joint nearest the injury True CR and IR alignment Two projections 90° from each other
CR vertical results in least exposure to operator
CR 30 degree from vertical increase exposure to operator
CR horizontal least exposure at intensifier side
AP projection not recommended
A forced wrenching or twisting of a joint that results in a tearing of supporting ligaments Sprain
An injury which there is no fracture or breaking of the skin Contusion
A break in the bone Fracture
Loss of alignment of the fracture Angulation
Varus Lateral apex
Valgus Medial apex
A fracture in which the bone does not break through the skin Simple (closed) fracture
A fracture in which a portion of the bone protrudes the skin Compound (open) fracture
A fracture that does not traverse through entire bone (not broken into two pieces) Incomplete (partial) fracture
Bone is splintered or crushed at the site of impact Comminuted fracture
What are the three types of comminuted fractures Segmental, butterfly, and splintered
One fragment is firmly driven into the other Impacted fracture
Fracture of the wrist in which the distal radius is fractured with the distal fragment displaced posteriorly Colles Fracture
A fracture of the wrist with a distal fragment of the radius displaced anteriorly Smith's Fracture
Fracture through the pedicles of the axis Hangman's Fracture
Fracture of the promixal half of the ulna and dislocation of the radial head Monteggia's Fracture
Vertebral body collapses Compression Fracture
Created by: moore171@cox.net