A measurment of the actual absorbed dose of radiation is called?
D Contrast media
An image produced on film by a sweeping beam of radiation is known as?
The study of the gallbladder by X-ray with an oral contrast medium is called?
Which of the following statements regarding myelography is NOT correct?
A It is fluoroscopy of the spinal cord
B It is fluoroscopy of the central nervous system
C A contrast medium is used
D The radiologist removes some cerebrospinal fluid
E The radiologist performs a lumbar puncture
Radiation therapy for deeper tumors done on an outpatient basis is known as?
The best temperature for film storage is between?
A 40 and 50 F
B 50 and 60 F
C 60 and 70 F
D 70 and 80 F
E none of the above
Film artifacts are?
A Areas that interfere with the diagnostic value of the radiograph
C Films that are beyond their expiration dates
D Diagnostic areas of interest
E None of the above
The frequency of elecromagnetic radiation is measured in?
Excretory urography is also known as?
C Intravenous pyelography
E None of the above
A type of diagnostic radiology that uses high-frequency sound waves is?
E Magnetic resonance imaging
Positions that are neither parallel nor perpendicular to the body are called?
E Both A and B
The front to back position in radiology is known as?
The process in which an atom may gain or lose electrons is called?
C Potential difference
Which of the following statememts is NOT correct in regard to radiosensitivity?
A Mature cells that are the least radiosensitive
B Specialized cells are the most radiosensitive
C Cells that are rapidly growing are the most radiosensitive
D Nonspecialized cells are the most radiosensitive
E Immature tissues are the most radiosensitive
Before a mammogram, a woman should?
A Use body lotion
B Drink coffee
C Fast after midnight
D Avoid excercise
E Avoid wearing deodorant
In preparing patients for such tests as barium enemas and CT scans, the medical assistant should?
A Ask them whether they are allergic to contrast media, iodine, or shellfish
B Tell them to eat a fat free dinner the night before
C Ask them wheter they are allergic to contrast media, iodine, or shellfish
D Tell them that they will have to hold their breath
E Ask them whether they are wearing body lotion
Safety precautions are necessary because?
A Radiation exposure is cumulative
B Radiation exposure is always fatal
C Overexposure is likely from routine X-Rays
D Both A and C
E All of the above
Xeroradiography is used primarily for?
D Intravenous pyelography