A Patient with a Brain Tumor Is Scheduled for a Chest

A patient with a brain tumor is scheduled for a chest x-ray and says "I don't understand why I'm having a chest x-ray when my problem is in my head!" What is the nurse's most appropriate response?

A) "The physician may be trying to determine if this is a metastatic brain tumor, as the most common source of these tumors is cancer of the lung."
B) "This is just a precautionary measure."
C) "Don't get so upset about this! The doctor will talk to you later."
D) "The escort is here to take you to radiology so we'll discuss this when you return."