gastroenterologist - Correct Answers physician who studies and treats diseases of the stomach and
intestines
therapeutic department - Correct Answers surgery department within a hospital is a part of this
department
lead technologist - Correct Answers furthest you can go as a radiographer without further training
ASRT Practice Standards - Correct Answers document that describes the radiographer's duties and
responsibilities
American Registry of Radiologic Technologists (ARRT) - Correct Answers organization that establishes
minimum standards for certification in various imaging specialists and radiation therapy
What does ASRT stand for? - Correct Answers American Society of Radiologic Technologists
How many credits of continuing education will you need to get to maintain your registry with the ARRT?
- Correct Answers 24 every 2 years
25 micrometers = ________ mm - Correct Answers 2.5x10^-11
25 km = ______ cm - Correct Answers 2.5x10^5
A patient weighs 48kg. What is their weight in pounds? - Correct Answers 105.6
How many pounds are in 1 kg? - Correct Answers 2.2 pounds
What is the inverse square law? - Correct Answers I1/I2=D2^2/D1^2
,When do you use the inverse square law? - Correct Answers When dealing with mGy's. I= intesnity @
distance, d = distance
The exposure from a radiation source is 33 mGy at a distance of 4 meters. What would the exposure be
at a distance of 1 meter? - Correct Answers 528 mGy
What is 20% of 90? - Correct Answers 18
How much kVp would we use if you want to decrease 90 kVp by 15%? - Correct Answers 76.5 kVp
What is the wavelength formula? - Correct Answers V = frequency x wavelength
The frequency of an x-ray photon is 2.2 x 1024Hz. What is it's wavelength? - Correct Answers 1.4 x 10^ -
16
What is the national organization responsible for the credentialing of imaging professionals? - Correct
Answers ARRT
Primary technical factors are: - Correct Answers kVp, mAs, SID
mAs = _____ x _____ - Correct Answers mA x time
_____ controls the penetrating ability of the x-ray beam - Correct Answers kVp
SID is the distance between the x-ray source and the _______ - Correct Answers image receptor
The inverse square law states that x-ray __________ varies inversely with the square of the distance
from the source. - Correct Answers intensity
The elements of radiographic quality include: - Correct Answers optical density, image contrast, image
detail, distortion
, T or F: A lead anatomical marker should be placed when taking any radiograph. - Correct Answers true
When using 400 mA and 0.02 seconds, the mAs is _____ - Correct Answers 8
125 kg = ______ micrograms - Correct Answers 1.25 x 10^11
A satisfactory radiograph is taken using 80 kVp, 15 mAs and 40" SID. Now a portable must be taken and
only 52" SID can be obtained. What is the new mAs to maintain the good exposure? - Correct Answers
25
Which of the following is not in the SI system of measurements?
A) Gray
B) Roentgen
C) Sievert
D) C/Kg - Correct Answers B) Roentgen
Radiation ionizes substances by removing ______ - Correct Answers electrons
_____ is reddening of the skin and is a short term effect of radiation exposure. - Correct Answers
erythema
________ effects are random, long term effects from low dose radiation exposure. - Correct Answers
stochastic
1 gray = _____ milligray - Correct Answers 1000
The "cardinal principals" of radiation protection include all of the following except:
A) time
B) distance
intestines
therapeutic department - Correct Answers surgery department within a hospital is a part of this
department
lead technologist - Correct Answers furthest you can go as a radiographer without further training
ASRT Practice Standards - Correct Answers document that describes the radiographer's duties and
responsibilities
American Registry of Radiologic Technologists (ARRT) - Correct Answers organization that establishes
minimum standards for certification in various imaging specialists and radiation therapy
What does ASRT stand for? - Correct Answers American Society of Radiologic Technologists
How many credits of continuing education will you need to get to maintain your registry with the ARRT?
- Correct Answers 24 every 2 years
25 micrometers = ________ mm - Correct Answers 2.5x10^-11
25 km = ______ cm - Correct Answers 2.5x10^5
A patient weighs 48kg. What is their weight in pounds? - Correct Answers 105.6
How many pounds are in 1 kg? - Correct Answers 2.2 pounds
What is the inverse square law? - Correct Answers I1/I2=D2^2/D1^2
,When do you use the inverse square law? - Correct Answers When dealing with mGy's. I= intesnity @
distance, d = distance
The exposure from a radiation source is 33 mGy at a distance of 4 meters. What would the exposure be
at a distance of 1 meter? - Correct Answers 528 mGy
What is 20% of 90? - Correct Answers 18
How much kVp would we use if you want to decrease 90 kVp by 15%? - Correct Answers 76.5 kVp
What is the wavelength formula? - Correct Answers V = frequency x wavelength
The frequency of an x-ray photon is 2.2 x 1024Hz. What is it's wavelength? - Correct Answers 1.4 x 10^ -
16
What is the national organization responsible for the credentialing of imaging professionals? - Correct
Answers ARRT
Primary technical factors are: - Correct Answers kVp, mAs, SID
mAs = _____ x _____ - Correct Answers mA x time
_____ controls the penetrating ability of the x-ray beam - Correct Answers kVp
SID is the distance between the x-ray source and the _______ - Correct Answers image receptor
The inverse square law states that x-ray __________ varies inversely with the square of the distance
from the source. - Correct Answers intensity
The elements of radiographic quality include: - Correct Answers optical density, image contrast, image
detail, distortion
, T or F: A lead anatomical marker should be placed when taking any radiograph. - Correct Answers true
When using 400 mA and 0.02 seconds, the mAs is _____ - Correct Answers 8
125 kg = ______ micrograms - Correct Answers 1.25 x 10^11
A satisfactory radiograph is taken using 80 kVp, 15 mAs and 40" SID. Now a portable must be taken and
only 52" SID can be obtained. What is the new mAs to maintain the good exposure? - Correct Answers
25
Which of the following is not in the SI system of measurements?
A) Gray
B) Roentgen
C) Sievert
D) C/Kg - Correct Answers B) Roentgen
Radiation ionizes substances by removing ______ - Correct Answers electrons
_____ is reddening of the skin and is a short term effect of radiation exposure. - Correct Answers
erythema
________ effects are random, long term effects from low dose radiation exposure. - Correct Answers
stochastic
1 gray = _____ milligray - Correct Answers 1000
The "cardinal principals" of radiation protection include all of the following except:
A) time
B) distance
