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

Friday, April 16, 2010

Review Questions for Friday April 16, 2010

Radiotherapy examination content specifications can be found on the ARRT site.

Topic: Anatomy - Thorax

1. Gas exchange, including oxygen exchange takes place in these thin walled sacs called: ?

A. Bronchus
B. Bronchioles
C. Alveoli
D. Bronchi

Topic: Quality Assurance

2. Dynamic wedge factors on a linear accelerator are to be checked by a Medical Physicist on a ________ frequency basis?

A. Daily
B. Weekly
C. Monthly
D. Annual

Topic: Safety

3. For occupationally exposed individuals, the whole body exposure limit in rems in a calendar year is equal to?

A. 50.0 sievert
B. 5.0 sievert
C. 0.5 sievert
D. 0.05 sievert

Check your answers here

Review Questions for Thursday April 15, 2010

Radiotherapy examination content specifications can be found on the ARRT site.

Topic: Treatment Planning

1. What is the equivalent square (EqSq) of a rectangular field measuring 8cm by 18cm?

A. 10.20 cm
B. 10.93 cm
C. 11.07 cm
D. 11.68 cm

Topic: Treatment

2. The Sanford technique is a method used for:?

A. Prostate irradiation
B. Total skin irradiation
C. Breast irradiation
D. Total lung irradiation

Topic: Treatment

3. Daily safety checks on the linear accelerator include all of the following Except: ?

A. Laser localization
B. Audio video function
C. Beam ON indication
D. Vault shielding

Check your answers here

Wednesday, April 14, 2010

Review Questions for Wednesday April 14, 2010

Radiotherapy examination content specifications can be found on the ARRT site.

Topic: Treatment

1. During patient positioning, a belly board is used to:?

A. Provide patient comfort with the patient in the supine position
B. Provide patient comfort with the patient in the prone position
C. To remove the belly from the treatment field
D. To include the belly in the treatment field

Topic: Anatomy – Brain

2. The sinuses found in the infraorbital regions under the zygomatic bones (cheek bones) in the face are called?

A. Frontal sinus
B. Maxillary sinus
C. Sphenoid sinus
D. Ethmoid sinus

Topic: Treatment Simulation

3. A patient is positioned with their arms akimbo; this means that the patient’s arms are:?

A. The patient’s arms are placed by their sides
B. The patient’s arms are crossed and lie above their chest
C. The patient’s arms are raised above their heads
D. The patient’s arms are bowed outwards with their hands on their hips

Check your answers here