A 30 year old female with a 15 year history of asthma presents to the emergency room with left elbow pain. Physical examination reveals tenderness and swelling over the olecranon process. An x-ray of the left arm reveals a fracture. Her medications include oral prednisone and albuterol aerosol. By which of the following mechanisms might coicosteroids have contributed to her fracture?
A
Decreased osteoblastic bone formation only
B
Decreased osteoblastic bone formation and osteoclastic bone resorption
C
Increased osteoclastic bone resorption only
D
Increased osteoclastic bone resorption and decreased osteoblastic bone formation