# Musculoskeletal trauma

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A subluxation occurs when : Select one
A. a fracture occurs through both cortices .
B. dislocated bones are locked in position .
C. a joint is partially dislocated .
D. a dislocation spontaneously reduces .
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Terms in this set (20)
A 40 - year - old woman has an unstable pelvis following a motor vehicle crash . She is conscious but confused . Her blood pressure is 80/50 mm Hg , pulse is 120 beats / min and weak at the radial arteries , and respirations are 24 breaths / min and shallow . After starting at least one large - bore IV line , you should : Select one :
A. administer a 250 - ml normal saline bolus and then reassess her blood pressure .
B. give enough isotonic crystalloid fluids to improve her mental status and radial pulse quality .
C. run it wide open until her systolic blood pressure is greater than 100 mm Hg .
D. set the IV flow rate to keep the vein open unless her systolic blood pressure falls below 70 mm Hg .
When assessing distal pulses in a patient with a lower extremity injury , it is MOST important to : Select one :
A. suspect severe shock if a unilateral pulse deficit is present .
B. compare the strength of the pulses in both lower extremities .
C. remember that most people do not have a palpable pedal pulse .
D. count the pedal pulse rate and compare it to the radial pulse rate .
Aathologic fracture occurs when : Select one :
A. underdeveloped bones sustain a low - impact traumatic injury .
B. a particular mechanism of injury cannot be identified readily .
C. greater - than - usual forces are required to fracture a large bone .
D. an occult medical condition causes abnormal bone weakness .
A young man has an isolated injury to his left lower leg . Your assessment reveals obvious deformity and ecchymosis . Distal circulation , as well as motor and sensory functions , are grossly intact , and the patient is hemodynamically stable . In addition to stabilizing the suspected fracture site , you should : Select one :
A. carefully palpate to elicit crepitus .
B. apply a traction splint for pain relief .
C. immobilize the knee and the ankle ..
D. place a chemical heat pack over the injury .