X-ray films show that a patient injured in a motor vehicle accident has a partial dislocation of the articulating bone surfaces. The nurse is aware that this type of injury will be documented by the physician on the chart as a:
A) Dislocation
B) Sprain
C) Strain
D) Subluxation
Ans: D
Feedback: Subluxation is the partial dislocation of articulating bone surfaces. A dislocation is a condition in which the articular surfaces of the bones forming a joint are no longer in anatomic contact. A sprain is an injury to ligaments caused by wrenching or twisting. A strain is a "muscle-pull" from overuse, overstretching, or excessive stress, resulting in microscopic muscle tears.
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