ASRT Questions
Epilation dose - answer2000 cGy
prevent hot spot for junction of two tx fields w/ small hinge angle: *independent jaw,
wedge, half-beam block* - answer wedge
vasogenic shock - answer shock caused by sepsis, deep anesthesia, or administration
of contrast media
petechiae = signs of [*edema, bleeding*] - answer bleeding
As field size increases, PDD *[increases, decreases, stays the same]* - answer
increases
Most radiosensitive:
- parenchymal
- endothelial
- basal cell
- nerve cell - answerbasal cell
mycosis fungicides most common form of... – answer cutaneous T-cell lymphoma
T1b glottic cancer:
- 1 vocal cord
- both vocal cords
- supraglottis - answerboth vocal cords
radiolucent contrast agents...
- appear dark on radiographs
- absorb photons
- have high atomic numbers - answerappear dark on radiographs
After total body exposure to radiation, the time when the patient has no symptoms is...
- prodromal phase
- manifest illness phase
- latent phase
- fall out phase - answerlatent phase
spinal cord ends at what level? - answerL1-L2
Hounsfield units measure... - answerattenuation
, External landmark for WB tx:
- nose
- orbit of eye
- external acoustic meatus
- base of skull - answerexternal acoustic meatus
energy values for Cobalt-60 decay (2) - answer1.77 MeV and 1.33 MeV
total body exposure of more than 10Gy results in:
- prodromal syndrome
- GI syndrome
- CNS syndrome - answerGI syndrome
Tx of choice for non-small cell lung cancer - answerradiation therapy
What type of chemotherapy is 5-FU?
- alkylating agent
- antimetabolite
- antitumor antibiotic - answerantimetabolite
Technique to accomplish forced shallow breathing:
- 4D CT
- IMRT
- Gating
- SBRT - answergating
Excision biopsy removes:
- tumor cells
- portion of tumor
- all of tumor
- entire tumor + local spread - answerentire tumor + local spread
Clinically significant weight loss = losing *____%* or more body weight - answer10%
*Intrathecal* drug injections are administered through:
- bloodstream
- braid
- muscle
- spinal cord - answerspinal cord
ipsilateral - answersame side of body
Radiation therapist age 25 life time effective dose should not exceed .... - answer250
mSv
X-ray output consistency check frequency - answermonthly
Epilation dose - answer2000 cGy
prevent hot spot for junction of two tx fields w/ small hinge angle: *independent jaw,
wedge, half-beam block* - answer wedge
vasogenic shock - answer shock caused by sepsis, deep anesthesia, or administration
of contrast media
petechiae = signs of [*edema, bleeding*] - answer bleeding
As field size increases, PDD *[increases, decreases, stays the same]* - answer
increases
Most radiosensitive:
- parenchymal
- endothelial
- basal cell
- nerve cell - answerbasal cell
mycosis fungicides most common form of... – answer cutaneous T-cell lymphoma
T1b glottic cancer:
- 1 vocal cord
- both vocal cords
- supraglottis - answerboth vocal cords
radiolucent contrast agents...
- appear dark on radiographs
- absorb photons
- have high atomic numbers - answerappear dark on radiographs
After total body exposure to radiation, the time when the patient has no symptoms is...
- prodromal phase
- manifest illness phase
- latent phase
- fall out phase - answerlatent phase
spinal cord ends at what level? - answerL1-L2
Hounsfield units measure... - answerattenuation
, External landmark for WB tx:
- nose
- orbit of eye
- external acoustic meatus
- base of skull - answerexternal acoustic meatus
energy values for Cobalt-60 decay (2) - answer1.77 MeV and 1.33 MeV
total body exposure of more than 10Gy results in:
- prodromal syndrome
- GI syndrome
- CNS syndrome - answerGI syndrome
Tx of choice for non-small cell lung cancer - answerradiation therapy
What type of chemotherapy is 5-FU?
- alkylating agent
- antimetabolite
- antitumor antibiotic - answerantimetabolite
Technique to accomplish forced shallow breathing:
- 4D CT
- IMRT
- Gating
- SBRT - answergating
Excision biopsy removes:
- tumor cells
- portion of tumor
- all of tumor
- entire tumor + local spread - answerentire tumor + local spread
Clinically significant weight loss = losing *____%* or more body weight - answer10%
*Intrathecal* drug injections are administered through:
- bloodstream
- braid
- muscle
- spinal cord - answerspinal cord
ipsilateral - answersame side of body
Radiation therapist age 25 life time effective dose should not exceed .... - answer250
mSv
X-ray output consistency check frequency - answermonthly
