Exam 10: Radiation Dose in Computed Tomography

What is/are the unit(s) of absorbed dose?

Which registry collects CT exam doses and transmits them to the American College of Radiology (ACR) to provide feedback and compare institutions?

What technical factor determines the penetrating power of the photons coming from the X-ray tube?

What dose descriptor is used to describe a measurement of the total amount of exposure for a series of scans?

Which classification of factors has a direct influence on image quality but no direct effect on radiation dose in CT?

The measured radiation dose is inversely proportional to the number of detector rows.

Which website resource provides essential radiation safety for the pediatric community?

What instrument is used to measure the charge removed from the ionization chamber?

What is the unit of exposure?

What is used to quantify the risk from partial body exposure to that from an equivalent whole-body dose?

Please match the following units of dose measurement. All answer selections will be used just once. -Sievert

What term is used to refer to the size and shape of the beam emanating from the X-ray tube and passing through the patient?

Each of the following classify as a proper radiation protection action except:

What portion of the collimated beam contributes to the patient's radiation dose but does not contribute to the produced image?

What was the first dose descriptor to be identified?

What is the term used to describe a ratio of the difference the table travels per revolution to nominal beam collimation?

Which technique factor determines the quantity of photons (dose) incident on the patient for the duration of the exposure?

What is the easiest and probably the most accurate method used to report dose?

What term refers to the automatic control of the milliamperage in two directions during data acquisition by specific technical procedures?

The radiation quantity exposure refers to the concentration of radiation at a particular point on the patient.