Exam 50: Assisting With Diagnostic Imaging

The purpose of intensifying screens is to reduce the amount of x-ray exposure necessary for an accurate view.

If the physician orders a plantar x-ray film, the technician would take an image of the:

The collimator uses a shielded device to limit the amount of radiation exposure to the patient.

Another name for an x-ray examination is __________.

Organize the following tests according to when they should be ordered:1. All x-ray examinations that do not require contrast media 2. Any laboratory studies or nuclear medicine procedures involving iodine uptake 3. CT studies with IV contrast any time after iodine uptake blood studies 4. Radiographic examinations of the urinary tract 5. Radiographic examinations of the biliary system 6. Fiberoptic studies (e.g., gastroscopy, endoscopy, sigmoidoscopy, colonoscopy) 7. CT studies of the abdomen or pelvis (should be done before barium studies) 8. Lower GI series (barium enema) 9. Upper GI series (barium swallow) a.Radiographic examinations of the urinary tract b.Radiographic examinations of the biliary system c.All x-ray examinations that do not require contrast media d.Upper GI series (barium swallow) e.CT studies of the abdomen or pelvis (should be done before barium studies)

The amount of exposure to radiation is directly linked to the length of time spent in the radiation field.

__________ is a therapeutic technique performed by the radiologist in which a catheter is used to block a blood vessel and prevent hemorrhage.

To indicate that something lies nearer the surface, the term ________ is used.

One of the best tools for detailed studies of the organs of the chest and abdomen is either a chest x-ray film or a flat plate of the abdomen.

__________ is an imaging method in which a magnetic field and radiofrequency pulses are used to create computer images of bones and soft tissue in multiple planes.

A(n) __________ involves a lumbar puncture and injection of an iodine contrast medium.

A patient is exposed to an average amount of radiation during an MRI procedure.

X-ray film boxes should be stored flat with the expiration date visible.

Indications of serious complications from iodine dye injection include flushing and nausea.

Patients on long-term steroid therapy are at increased risk for developing osteoporosis.

Buttons and thick seams in clothing may cause an artifact on an x-ray film.

For a(n) __________, an iodine dye is given IV to allow visualization of the renal system.

__________ is a procedure in which a catheter is used to open or widen a blood vessel.

A parent, rather that a professional radiographer, should hold a child in position for an x-ray examination.

Patients with diabetes should take their insulin before examinations that require NPO preparation to prevent hyperglycemia.