TP3 Test 1 Questions with Correct Answers Latest Update 2026/2027
6MV - Answers The best energy for IMRT is
10 MV - Answers Neutrons are produced in the accelerator at energies of
15MV - Answers Neutrons are a planning and shielding concern with energies of what and
higher?
6MV - Answers The best energy to use for IMRT to ensure the minimal penumbra is:
9 beams - Answers IMRT plans with greater than what number of beams show little gain in plan
quality
cost function - Answers The penalty with IMRT Optimization is called
multiplicative - Answers The weighting parameter or priority level with the IMRT penalty is
Dose kernals - Answers The convolution equation for dose calculation is based on convolving
the TERMA with:
better - Answers KVCT has ______ contrast than MVCT
metal artifacts - Answers MVCT is advantageous over KVCT when dealing with
amorphous silicon - Answers Portal imagers use what type of detector?
Xenon Gas Detectors - Answers Tomotherapy uses what type of detectors for the MVCT
3.5 MV - Answers To increase contrast, tomotherapy uses what energy with MVCT
0.5mm - Answers The resolution of KVCT is about
1-2 mm - Answers The resolution of MVCT is about
1-3 cGy - Answers Doses with KVCT are about
is not - Answers Dose heterogeneity to the target is/is not uncommon for lung IMRT
a point not in a gradient or a target volume - Answers Lung IMRT plans should be normalized to:
spinal cord, r/l lung, total lung, heart, esophagus - Answers Critical structures that should be
delineated for lung IMRT plans include
sup-inf - Answers Lung motion is greatest with which direction in most cases
V20, V5, max dose - Answers The total lung dose may be monitored for
4D imaging, breath hold, slow CT - Answers Motion management techniques for lung include
6MV - Answers The best energy for IMRT is
10 MV - Answers Neutrons are produced in the accelerator at energies of
15MV - Answers Neutrons are a planning and shielding concern with energies of what and
higher?
6MV - Answers The best energy to use for IMRT to ensure the minimal penumbra is:
9 beams - Answers IMRT plans with greater than what number of beams show little gain in plan
quality
cost function - Answers The penalty with IMRT Optimization is called
multiplicative - Answers The weighting parameter or priority level with the IMRT penalty is
Dose kernals - Answers The convolution equation for dose calculation is based on convolving
the TERMA with:
better - Answers KVCT has ______ contrast than MVCT
metal artifacts - Answers MVCT is advantageous over KVCT when dealing with
amorphous silicon - Answers Portal imagers use what type of detector?
Xenon Gas Detectors - Answers Tomotherapy uses what type of detectors for the MVCT
3.5 MV - Answers To increase contrast, tomotherapy uses what energy with MVCT
0.5mm - Answers The resolution of KVCT is about
1-2 mm - Answers The resolution of MVCT is about
1-3 cGy - Answers Doses with KVCT are about
is not - Answers Dose heterogeneity to the target is/is not uncommon for lung IMRT
a point not in a gradient or a target volume - Answers Lung IMRT plans should be normalized to:
spinal cord, r/l lung, total lung, heart, esophagus - Answers Critical structures that should be
delineated for lung IMRT plans include
sup-inf - Answers Lung motion is greatest with which direction in most cases
V20, V5, max dose - Answers The total lung dose may be monitored for
4D imaging, breath hold, slow CT - Answers Motion management techniques for lung include
