An Older Patient Has Suffered Several Bone Fractures in the Past

An older patient has suffered several bone fractures in the past year.The health-care provider is concerned that the patient may have a common degenerative bone disease that results in the bones becoming thinner and more brittle.Which of the following tests should the nurse most expect to be ordered for this patient?

A) Osmotic fragility
B) Osteocalcin
C) Oxalate
D) Osmolality