In some cases, the epiphyseal plate of the long bones of children closes too early. What might be the cause?
A) osteoblast activity exceeds osteoclast activity
B) elevated levels of sex hormones
C) too much vitamin D in the diet
D) overproduction of thyroid hormone

Question

Quizplus · Accepted Answer

Elevated levels of sex hormones can cause early closure of the epiphyseal plate, as seen in conditions like precocious puberty. Osteoblast activity exceeding osteoclast activity or too much vitamin D in the diet may lead to abnormal bone growth and development, but not necessarily early closure of the epiphyseal plate. Overproduction of thyroid hormone may lead to increased metabolic activity and resorption of bone tissue, but is not directly related to the closure of the epiphyseal plate.

In Some Cases, the Epiphyseal Plate of the Long Bones