Mary goes to the doctor, who determines she needs some blood drawn and an x-ray. she ends up having to go to a different office for the blood and for the x-ray. explain to mary why this is?

Mary need to go to a diagnostic center for blood tests and x-ray. Because doctor was not specialist of taking x-ray and blood test.

Explanation:

Mary first goto the doctor where doctor examine her and he could not diagnose the disease which mary has. Doctor need some blood tests and x-ray for diagnosis. For x ray and blood tests marry has to go a diagnostic center where a pathologist and radiologist should be there.

A pathologist is a person who collect blood sample for blood test.

A radiologist is a person who took x-ray.

your spelling is a little off : ]