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[Show more]medical physics final exam Questions With Complete Solutions
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Medical Physics ABR Part 1 Clinical (Basic Anatomy and Radiobiology for the Medical Physicists) Questions With Complete Solutions
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Add to cartMedical Physics ABR Part 1 Clinical (Basic Anatomy and Radiobiology for the Medical Physicists) Questions With Complete Solutions
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Medical Physics Jurisprudence Exam TMB - Study Guide 2023 Questions With Complete Solutions
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Add to cartMedical Physics Jurisprudence Exam TMB - Study Guide 2023 Questions With Complete Solutions
Medical Physics MCQS Questions With Complete Solutions
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Add to cartMedical Physics MCQS Questions With Complete Solutions
Virtual Source Distance Equation correct answer: (R100/R110) = ((VSD+Dmax+gap)/(VSD+Dmax))^2 
 
Dose Delivered at Time correct answer: D(t) = D0(rate)/decay_constant*(1-e^(-dc(t)) 
D(t) = 1.44*D0(rate)*(1-e^(.693/T1/2*t)) 
 
TG-43 Geometry Function (Non-perpendicular) correct answer: Gl = Beta/(L...
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Add to cartVirtual Source Distance Equation correct answer: (R100/R110) = ((VSD+Dmax+gap)/(VSD+Dmax))^2 
 
Dose Delivered at Time correct answer: D(t) = D0(rate)/decay_constant*(1-e^(-dc(t)) 
D(t) = 1.44*D0(rate)*(1-e^(.693/T1/2*t)) 
 
TG-43 Geometry Function (Non-perpendicular) correct answer: Gl = Beta/(L...
Physics correct answer: The science of space, time, matter, energy and their interactions at the most fundamental level. 
 
Time correct answer: Dimension that relates to when events occur. 
 
Matter correct answer: Anything that occupies space and has mass. 
 
Energy correct answer: The ability...
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Add to cartPhysics correct answer: The science of space, time, matter, energy and their interactions at the most fundamental level. 
 
Time correct answer: Dimension that relates to when events occur. 
 
Matter correct answer: Anything that occupies space and has mass. 
 
Energy correct answer: The ability...
ABR Medical Physics Part 3 - TG Reports/MPPG/CFR Questions With Complete Solutions
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CONDITIONAL Complete - Imaging Medical Physics (Full Set of Imaging Study Cards for Therapuetic Medical Physics ABR Part 3 Oral Exams) Questions With Complete Solutions
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Add to cartCONDITIONAL Complete - Imaging Medical Physics (Full Set of Imaging Study Cards for Therapuetic Medical Physics ABR Part 3 Oral Exams) Questions With Complete Solutions
Medical Physics Exam 1 Questions With Complete Solutions
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Medical Physics Study Set Questions And Answers
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Add to cartMedical Physics Study Set Questions And Answers
Medical Physics Questions And Answers With Complete Solutions
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Add to cartMedical Physics Questions And Answers With Complete Solutions
ABR Medical Physics Part 3 - Rules of Thumb Questions With Complete Solutions
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ABR part 1 medical physics Questions And Answers With Complete Solutions
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Add to cartABR part 1 medical physics Questions And Answers With Complete Solutions
Medical Physics ABR part 1 constants and equations
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Ion Chamber - Operational Theory correct answer: a) Cavity of air is surrounded by two electrodes charged to around 300 Volts 
b) Incident radiation creates ion pairs in air volume 
c) Ions are swept away by the potential between the plates 
d) Charge of current is read by an electrometer 
 
Ion Ch...
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Add to cartIon Chamber - Operational Theory correct answer: a) Cavity of air is surrounded by two electrodes charged to around 300 Volts 
b) Incident radiation creates ion pairs in air volume 
c) Ions are swept away by the potential between the plates 
d) Charge of current is read by an electrometer 
 
Ion Ch...
The heat capacity of a CT x-ray tube anode (kJ) is most likely: 
a. 0.4 
b. 4 
c. 40 
d. 400 
e. 4,000 correct answer: Answer (e) 
The typical anode heat capacity of a modern CT x-ray tube anode is 4,000 kJ (4 MJ) 
 
The power (kW) applied to a modern CT x-ray tube is most likely: 
a. 1 
b. 3 
c. 1...
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Add to cartThe heat capacity of a CT x-ray tube anode (kJ) is most likely: 
a. 0.4 
b. 4 
c. 40 
d. 400 
e. 4,000 correct answer: Answer (e) 
The typical anode heat capacity of a modern CT x-ray tube anode is 4,000 kJ (4 MJ) 
 
The power (kW) applied to a modern CT x-ray tube is most likely: 
a. 1 
b. 3 
c. 1...
In a 1.5T MRI, if the temperature is 22C, what is the ratio of 
 
spins parallel to B₀ to those antiparallel to B₀? correct answer: 1.00001 
 
A 10kg block of ice is at 15⁰F. How much energy must be transferred in order to heat it to a 55⁰F puddle of water? (specific heat of water is 4186 ...
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Add to cartIn a 1.5T MRI, if the temperature is 22C, what is the ratio of 
 
spins parallel to B₀ to those antiparallel to B₀? correct answer: 1.00001 
 
A 10kg block of ice is at 15⁰F. How much energy must be transferred in order to heat it to a 55⁰F puddle of water? (specific heat of water is 4186 ...
Vertebral Level of : 
A: Clavicle 
B: Scapula correct answer: A: C7-T1 
B: T2-T7 
 
What is the master gland and where is it located? correct answer: Pituitary - base of the brain (between the optic nerves) - Hormone production is stimulated by hypothalmus 
 
What does the pancreas do? correct a...
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Add to cartVertebral Level of : 
A: Clavicle 
B: Scapula correct answer: A: C7-T1 
B: T2-T7 
 
What is the master gland and where is it located? correct answer: Pituitary - base of the brain (between the optic nerves) - Hormone production is stimulated by hypothalmus 
 
What does the pancreas do? correct a...
TG-51 def: %dd(10)x correct answer: the photon component of the photon beam percentage depth-dose at 10 cm depth in a 10x10 cm2 field on the surface of a water phantom at an SSD of 100 cm 
 
TG-51 def: %dd(10) correct answer: the measured photon beam percentage depth dose at 10 cm depth in a 10x10...
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Add to cartTG-51 def: %dd(10)x correct answer: the photon component of the photon beam percentage depth-dose at 10 cm depth in a 10x10 cm2 field on the surface of a water phantom at an SSD of 100 cm 
 
TG-51 def: %dd(10) correct answer: the measured photon beam percentage depth dose at 10 cm depth in a 10x10...
US attenuation rule of thumb correct answer: 0.5 dB/cm*MHz in soft tissue 
 
Lens dose is calculated at what depth? correct answer: 0.3 cm 
 
How many HVLs in a collimator head? correct answer: 2% transmission, so 0.02=2^(-n)-> n=5.6, 6 HVL 
 
Temperature and pressure correction correct answer...
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Add to cartUS attenuation rule of thumb correct answer: 0.5 dB/cm*MHz in soft tissue 
 
Lens dose is calculated at what depth? correct answer: 0.3 cm 
 
How many HVLs in a collimator head? correct answer: 2% transmission, so 0.02=2^(-n)-> n=5.6, 6 HVL 
 
Temperature and pressure correction correct answer...
How to make tangent beams coplanar correct answer: Divergence = arctan((0.5 * width)/distance)) 
 
e- density correct answer: e- density = (density*Na*Z)/Aw 
 
Percent photon contamination of e- beam with Energy correct answer: [6e = 1 ....... 20e = 5] * 0.6% 
 
Virtual e- source distance calcula...
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Add to cartHow to make tangent beams coplanar correct answer: Divergence = arctan((0.5 * width)/distance)) 
 
e- density correct answer: e- density = (density*Na*Z)/Aw 
 
Percent photon contamination of e- beam with Energy correct answer: [6e = 1 ....... 20e = 5] * 0.6% 
 
Virtual e- source distance calcula...
Co-60 dmax - 0.5cm 
 
6x dmax - 1.5cm 
 
10x dmax - 2.5cm 
 
18x dmax - 3.5cm 
 
% attenuation in water for: 
6MV 
10MV 
18MV - 6MV=3%/cm 
10MV=2.5%/cm 
18MV=2%/cm 
 
Electron attenuation in AIR - 2%/cm 
105 to 110 SSD change in output ~10% 
 
Electron attenuation in WATER and LEAD - 2MeV/cm for Wat...
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Add to cartCo-60 dmax - 0.5cm 
 
6x dmax - 1.5cm 
 
10x dmax - 2.5cm 
 
18x dmax - 3.5cm 
 
% attenuation in water for: 
6MV 
10MV 
18MV - 6MV=3%/cm 
10MV=2.5%/cm 
18MV=2%/cm 
 
Electron attenuation in AIR - 2%/cm 
105 to 110 SSD change in output ~10% 
 
Electron attenuation in WATER and LEAD - 2MeV/cm for Wat...
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