Allergic reaction that begins within seconds/minutes of contrast media administration and rapidly progresses to cause airway obstruction, skin, and intestinal irritation, and altered heart rhythms is called __________

Pediatric CT studies should use lower parameters for _____________.

Clinical stress perfusion studies with Rb-82 are usually limited to pharmacologic stress because of Rb-82s __________.

The minimum safe distance when approaching an MRI system is the __________.

Truncation is a source of streaking artifacts at the edge of the CT image. The presence of streaking artifacts:

Dental fillings, hip prosthetics, or chemotherapy ports are examples of PET/CT imaging artifacts described as __________ artifacts.

The following positron-emitting radionuclides are isotopes of natural elements present in most biochemical processes EXCEPT __________.

In a trained vs. untrained individual, cardiac output with chronic training during maximal exercise is:

All of the following are characteristics that describe Ventilatory Threshold EXCEPT:

In a trained vs. untrained individual, muscle glycogen usage with chronic training during submaximal exercise at the same absolute workload is: