Teacher:Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).
Teacher: Now, understand the problem? Solve this instance: Abstract: Stress fracture of the fourth vertebral arch occurred in a 21-year-old woman with a benign osteopetrosis. The fracture healed in three months after application of a body cast. It seems likely that the osteopetrotic bone resists force, in parallel with the cortical layer, but is fragile to forces at right angles to the plane of the cortical layer.
Which is the apt title for the abstract? option1: Stress fracture of the vertebral arch in osteopetrosis. option2: Occupational risk of hepatitis B from institutionalized mentally retarded HBsAg carriers: a prospective study.
Student:
Stress fracture of the vertebral arch in osteopetrosis.