In the Diagnosis of Patient Disease States,physicians Can Select from an Array

In the diagnosis of patient disease states,physicians can select from an array of medical diagnostic modalities.Some of these involve the use of ionizing energy to create a medical image.If a physician is concerned about the use of ionizing radiation,he or she may choose to order any of the following diagnostic modalities except

A) thermograms.
B) medical sonography.
C) radiography.
D) magnetic resonance imaging.