1. Explain why young men who take anabolic steroids (which mimic the actions of testosterone) often display stunted growth and have an overall shorter stature. 2. Many bone abnormalities are characterized by changes in the normal structure of bone markings. Defective openings that are smaller or larger than normal can be particularly problematic. Why do you think this is true? 3. Ms. Jones was taken to the emergency room after sustaining a head injury from a fall during hiking. She is reporting vision problems. An x-ray of her skull shows a fracture of the lesser wing of the sphenoid bone. Why would this interfere with her vision? 4. What might happen if sutures were fused at birth?