Radiotherapy examination content specifications can be found on the ARRT site.
Topic: Radiation Biology
1. When the human body is exposed to ionizing radiation, a commonly altered molecule is: ?
A. Water, H2O
B B. Deoxyribonucleic Acid, DNA
C. Ribonucleic Acid, RNA
D. Carbon Dioxide, CO2
Topic: Delivery
2. Given an initial mean seed activity of 220 uCi (microcurries), in three half lives of Palladium 103; Pd-103 the mean seed activity will measure approximately: ?
A. 217 uCi
B. 157 uCi
C. 87 uCi
D. 55 uCi
Topic: Treatment
3. A treatment is planned for 100cm SSD but is delivered at 106cm SSD. What mistake in dose delivered takes place?
A. Over treatment by: ~ 6%
B. Under treatment by: ~ 6%
C. Under treatment by: ~ 9%
D. Under treatment by: ~ 11%
Check your answers here
Tuesday, April 20, 2010
Review Questions for Monday April 19, 2010
Radiotherapy examination content specifications can be found on the ARRT site.
Topic: Interactions
1. Photon gamma rays strike an object and scattered radiation results. The production of scattered radiation likely results from: ?
A. Compton effects
B. Bremsstralung effects
C. Characteristic effects
D. Photoelectric effects
Topic: Delivery
2. The half life of Palladium 103; Pd-103, is 17 days. Pd-103 brachytherapy seeds are typically used for: ?
A. Intrauterine HDR
B. Prostate HDR
C. Prostate LDR
D. Intrauterine LDR
Topic: Physics
3. The International units, SI given for the measurement of radioactivity are: ?
A. Coulombs
B. Grays
C. Sieverts
D. Becquerels
Check your answers here
Topic: Interactions
1. Photon gamma rays strike an object and scattered radiation results. The production of scattered radiation likely results from: ?
A. Compton effects
B. Bremsstralung effects
C. Characteristic effects
D. Photoelectric effects
Topic: Delivery
2. The half life of Palladium 103; Pd-103, is 17 days. Pd-103 brachytherapy seeds are typically used for: ?
A. Intrauterine HDR
B. Prostate HDR
C. Prostate LDR
D. Intrauterine LDR
Topic: Physics
3. The International units, SI given for the measurement of radioactivity are: ?
A. Coulombs
B. Grays
C. Sieverts
D. Becquerels
Check your answers here
Review Questions for Sunday April 18, 2010
Radiotherapy examination content specifications can be found on the ARRT site.
Topic: Interactions
1. You are give the activity of a radioactive source; which is, 800 mCi (millicuries) and the half life of the source; that is, 6 hours. What will the activity of the source be in 12 hours?
A. 800 millicuries
B. 600 millicuries
C. 300 millicuries
D. 200 millicuries
Topic: Delivery
2. The half life of Iodine 125; I125 is approximately ________ ?
A. 120 days
B. 90 days
C. 60 days
D. 50 days
Topic: Physics
3. The frequency of a wave is measured in hertz (Hz). The frequency can be defined as: ?
A. The height of a given wave
B. The distance a given wave travels
C. The number of waves cycles per second
D. The speed of a photon
Check your answers here
Topic: Interactions
1. You are give the activity of a radioactive source; which is, 800 mCi (millicuries) and the half life of the source; that is, 6 hours. What will the activity of the source be in 12 hours?
A. 800 millicuries
B. 600 millicuries
C. 300 millicuries
D. 200 millicuries
Topic: Delivery
2. The half life of Iodine 125; I125 is approximately ________ ?
A. 120 days
B. 90 days
C. 60 days
D. 50 days
Topic: Physics
3. The frequency of a wave is measured in hertz (Hz). The frequency can be defined as: ?
A. The height of a given wave
B. The distance a given wave travels
C. The number of waves cycles per second
D. The speed of a photon
Check your answers here
Saturday, April 17, 2010
Review Questions for Saturday April 17, 2010
Radiotherapy examination content specifications can be found on the ARRT site.
Topic: Interactions
1. Another name for breaking radiation that is produced when an accelerated electron is deflected by an atomic nucleus producing a photon is called: ?
A. Bremsstrahlung radiation
B. Photoelectric radiation
C. Compton radiation
D. Characteristic radiation
Topic: Delivery
2. The half life of Cs137 is approximately ________ ?
A. 20 years
B. 25 years
C. 30 years
D. 35 years
Topic: Patient Care
3. When transferring a patient from a stretcher to the radiation therapy treatment couch, the radiation therapist should provide: ?
A. assistance, if asked
B. assistance at all times
C. verbal assistance
D. assistance, as needed
Check your answers here
Topic: Interactions
1. Another name for breaking radiation that is produced when an accelerated electron is deflected by an atomic nucleus producing a photon is called: ?
A. Bremsstrahlung radiation
B. Photoelectric radiation
C. Compton radiation
D. Characteristic radiation
Topic: Delivery
2. The half life of Cs137 is approximately ________ ?
A. 20 years
B. 25 years
C. 30 years
D. 35 years
Topic: Patient Care
3. When transferring a patient from a stretcher to the radiation therapy treatment couch, the radiation therapist should provide: ?
A. assistance, if asked
B. assistance at all times
C. verbal assistance
D. assistance, as needed
Check your answers here
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