<prompt> A small boy who is brought to the emergency department by his parents is found to have a spiral fracture of the femur, with a variety of ecchymoses. What is the most likely cause of the injuriesAutomobile hit and run accidentFall from a treeChild abuseFall from a bicycle  <response>: The fracture can occur in all the four options given in questions.But, a variety of ecchymoses suggests child abuse -Bruises are the most common manifestation of child abuse and may be found on anybody surface. 