Attenuation:
a. is radiation that emerges from the patient
b. describes changes in the x-ray beam as it travels through the patient
c. produces only scatter radiation
d. occurs only at doses used in radiation therapy
Describes changes in the x-ray beam as it travels through the patient
Which photon-tissue interaction makes radiography possible because of its creation of image
contrast?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Photoelectric
,Which photon-tissue interaction produces radiation that may expose others in the room during
fluoroscopy?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Compton
The SI unit of absorbed dose:
a. Coulombs/kilogram
b. Gray
c. Curie
d. Rad
Gray
,The SI unit of radioactivity:
a. Becqueral
b. Rem
c. Quality factor
d. Curie
Becqueral
Measurement of positive and negative particles created when radiation ionizes atoms in the air:
a. Becquerel
b. Sievert
c. Roentgen
d. Curie
Roentgen
, Linear energy transfer:
a. is the same for all types of radiation
b. is the same for wave and particulate radiations used in diagnosis and treatment
c. occurs only during x-ray procedures
d. varies for different types of radiation
Varies for different types of radiation
The unit of the curie would be used in what imaging modality?
a. Radiography
b. CT
c. MRI
d. Nuclear Medicine
Nuclear Medicine
a. is radiation that emerges from the patient
b. describes changes in the x-ray beam as it travels through the patient
c. produces only scatter radiation
d. occurs only at doses used in radiation therapy
Describes changes in the x-ray beam as it travels through the patient
Which photon-tissue interaction makes radiography possible because of its creation of image
contrast?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Photoelectric
,Which photon-tissue interaction produces radiation that may expose others in the room during
fluoroscopy?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Compton
The SI unit of absorbed dose:
a. Coulombs/kilogram
b. Gray
c. Curie
d. Rad
Gray
,The SI unit of radioactivity:
a. Becqueral
b. Rem
c. Quality factor
d. Curie
Becqueral
Measurement of positive and negative particles created when radiation ionizes atoms in the air:
a. Becquerel
b. Sievert
c. Roentgen
d. Curie
Roentgen
, Linear energy transfer:
a. is the same for all types of radiation
b. is the same for wave and particulate radiations used in diagnosis and treatment
c. occurs only during x-ray procedures
d. varies for different types of radiation
Varies for different types of radiation
The unit of the curie would be used in what imaging modality?
a. Radiography
b. CT
c. MRI
d. Nuclear Medicine
Nuclear Medicine
