What do the peaks and valleys of the histogram represent?  

During infusion of an iodinated contrast media, the patient experiences dyspnea and severe hives.  Which statement is correct regarding the emergency action that must be initiated?  

Write the following in expanded form.

A physician is suspecting a pelvic fracture on a patient.  Before requesting the exam, the physician has called asking which projection of the acetabulum will best demonstrate the left iliopubic column.  Which projection would a technologist identify?   

An AP pelvis image demonstrates a possible fracture of the right superior pubic ramus. Which projection would confirm the suspected pathology?

The angiography team includes nurses. At what minimum expected whole body radiation dose would they be declared radiation workers and wear radiation monitors?  

What technical factors should be selected to minimize patient dose? 

The fluoro time for a joint injection is 45 seconds. If the exposure rate is 100 mGy/min what was the approximate exposure to the patient for this examination?  

What corrective action is required on this PA oblique (scapular Y) image of the shoulder to improve the image? 

What result may occur when an endotracheal tube (ETT) is inserted into the right main bronchus of the lung?